let map, houseGroup, homesteadGroup, buildingGroup, pointsGroup;
let numApartments = 1;
let mode = '';


const Constructor = {
    info: {},
    async init() {
        let html = await fetch('/lib/pages/constructor/index.html').then((response) => response.text());
        app.innerHTML = html;

        map = "";
        houseGroup = "";
        homesteadGroup = "";
        buildingGroup = "";
        pointsGroup = "";
        numApartments = 1;

        this.info = {
            type: 'house',
            points: [],
            points_number: [],
            geo: {},
            osm_id: [],
            zoom: 17,
            title: null,
            number: null,
            settlement: null
        }

        const infoTypeInputs = document.querySelectorAll('input[name="info-type"]');
        const infoForm = document.getElementById('info-form');

        const infoLabels = {
            points: {
                title: "Назва",
                number: "Номер",
                settlement: "Місто",
                init: () => Constructor.points.init(),
                next: () => Constructor.points.next(),
                save: () => Constructor.points.save()
            },
            homestead: {
                title: "Назва району / села",
                number: "Номер району",
                settlement: "Місто",
                init: () => Constructor.homestead.init(),
                next: () => Constructor.homestead.next(),
                save: () => Constructor.homestead.save()
            },
            house: {
                title: "Назва вулиці",
                number: "Номер будинку",
                settlement: "Місто",
                init: () => Constructor.house.init(),
                next: () => Constructor.house.next(),
                save: () => Constructor.house.save()
            }
        };

        let currentInit = infoLabels['house'].init;
        let currentNext = infoLabels['house'].next;
        let currentSave = infoLabels['house'].save;

        function renderInfoForm(type) {
            const labels = infoLabels[type];
            currentInit = labels.init;
            currentNext = labels.next;
            currentSave = labels.save;

            infoForm.innerHTML = `
                <div>
                    <label for="info-title">${labels.title}</label>
                    <input type="text" id="info-title" name="address" required value=""/>
                </div>

                <div>
                    <label for="info-number">${labels.number}</label>
                    <input type="text" id="info-number" name="number" required value=""/>
                </div>

                <div>
                    <label for="info-settlementv">${labels.settlement}</label>
                    <input type="text" id="info-settlement" name="settlement" required value="Тернопіль"/>
                </div>

                <button type="submit" id="part-1-button">Далі</button>
            `;
        }

        // Обработчик submit формы
        infoForm.addEventListener('submit', (event) => {
            event.preventDefault();

            document.getElementById('part-1-button').style.display = "none";

            ['title', 'number', 'settlement'].forEach(key => {
                Constructor.info[key] = document.getElementById(`info-${key}`).value;
            });

            if (currentInit) currentInit();
        });

        // Слушатели радиокнопок
        infoTypeInputs.forEach(radio => {
            radio.addEventListener('change', event => {
                const value = event.target.value;

                const part_2 = document.getElementById('part-2');
                const part_2_button = document.getElementById('part-2-button');
                part_2.style.display = "none";
                part_2_button.style.display = "";

                const part_3 = document.getElementById('part-3');
                part_3.style.display = "none";

                renderInfoForm(value);
                console.log(`Вибрано: ${value}`);

                this.info.type = value;
                this.info.osm_id = null;
                this.info.geo = {};
                this.info.points_number = [];
                this.info.points = [];
                this.house.apartments.quantity = 0;
                this.house.apartments.list = [];
            });
        });

        document.getElementById('part-2-button').addEventListener('click', (event) => {
            event.preventDefault();

            document.getElementById('part-2-button').style.display = "none";

            if (currentNext) currentNext();
        });

        document.getElementById('part-3-button').addEventListener('click', (event) => {
            event.preventDefault();

            // document.getElementById('part-3-button').style.display = "none";

            if (currentSave) currentSave();
        });
    },

    points: {
        init() {
            console.log('points');
            // const part_2 = document.getElementById('part-2');
            // const part_2_title = document.getElementById('part-2-title');
            // part_2_title.innerHTML = `<span>Крок 2.</span> Створення точок на карті`;
            // part_2.style.display = "";

        },

        next() {
            console.log('points next');

        },

        save() {
            console.log('points next save');

        }
    },

    homestead: {
        init() {
            console.log('homestead');
            const part_2 = document.getElementById('part-2');
            const part_2_title = document.getElementById('part-2-title');
            part_2_title.innerHTML = `<span>Крок 2.</span> Створення ділянки`;
            part_2.style.display = "";

            Constructor.osm.init();
        },

        next() {
            console.log('homestead next');
            const part_3 = document.getElementById('part-3');
            const title = part_3.querySelector('h1');
            const button = part_3.querySelector('#part-3-button');
            part_3.innerHTML = '';

            title.innerHTML = `<span>Крок 3.</span> Створення будинків`;

            part_3.appendChild(title);
            part_3.innerHTML += `
                <div class="info">
                    <p>*Натисніть кнопку нижче, а потім клацайте на карті, щоб додати будинки. Після цього натисніть "Зберегти".</p>
                    <p>*Щоб видалити будинок, клацніть на ньому та у спливаючому вікні оберіть "Видалити".</p>
                    <br />
                    <button onclick="Constructor.homestead.building.newHouse(this)">
                        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 30 30"><path d="M 22.828125 3 C 22.316375 3 21.804562 3.1954375 21.414062 3.5859375 L 19 6 L 24 11 L 26.414062 8.5859375 C 27.195062 7.8049375 27.195062 6.5388125 26.414062 5.7578125 L 24.242188 3.5859375 C 23.851688 3.1954375 23.339875 3 22.828125 3 z M 17 8 L 5.2597656 19.740234 C 5.2597656 19.740234 6.1775313 19.658 6.5195312 20 C 6.8615312 20.342 6.58 22.58 7 23 C 7.42 23.42 9.6438906 23.124359 9.9628906 23.443359 C 10.281891 23.762359 10.259766 24.740234 10.259766 24.740234 L 22 13 L 17 8 z M 4 23 L 3.0566406 25.671875 A 1 1 0 0 0 3 26 A 1 1 0 0 0 4 27 A 1 1 0 0 0 4.328125 26.943359 A 1 1 0 0 0 4.3378906 26.939453 L 4.3632812 26.931641 A 1 1 0 0 0 4.3691406 26.927734 L 7 26 L 5.5 24.5 L 4 23 z"></path></svg>
                        <span>Додати будинок</span>
                    </button>
                </div>
            `;
            part_3.appendChild(button);
            part_3.style.display = "";

            this.building.init();

        },

        async save() {
            Constructor.info.buildings = Constructor.homestead.building.list;

            console.log(Constructor.info);

            Constructor.save();
        },

        building: {
            list: [], editing: false,
            async init() {
                this.editing = false;
                setLeafletCursor('pointer');

                // Обробник кліку на карту
                homesteadGroup.on('click', e => {
                    console.log(this.editing);

                    if (e.layer instanceof L.Marker || !this.editing) return;

                    const { lat, lng } = e.latlng;
                    console.log(`Координати: ${lat.toFixed(5)}, ${lng.toFixed(5)}`);

                    setLeafletCursor('progress');
                    this.editing = false;

                    this.addBuilding({ geo: e.latlng, title: this.list.length + 1 });
                });
            },

            async addBuilding({ geo, title }) {
                this.list.push({
                    title: title,
                    geo: geo
                });

                // Додаємо маркер на карту
                const redDot = L.divIcon({
                    className: "leaflet_drop",
                    html: `<div id="redDot_${this.list.length}"></div>`,
                    iconSize: [16, 16],
                    iconAnchor: [8, 8]
                });

                const marker = L.marker(geo, { icon: redDot }).addTo(buildingGroup);
                marker.bindPopup(`
                    Будинок: ${this.list.length}<br>
                    Координати: ${geo.lat.toFixed(5)}, ${geo.lng.toFixed(5)}<br>
                    <button class="map_dell" onclick="Constructor.homestead.building.delleteBuilding({id: ${this.list.length}})" type="button">Видалити</button>
                `);

                setLeafletCursor('crosshair');
                this.editing = true;
            },

            async delleteBuilding({ id }) {
                const el = document.getElementById(`redDot_${id}`);
                if (el) el.remove();

                this.list = this.list.filter(item => item.title !== id);

                const block = document.getElementById(`Building_${id}`);
                if (block) block.remove();

                houseGroup.eachLayer(layer => {
                    if (layer instanceof L.Marker && layer.getPopup()?.getContent().includes(`Будинок: ${id}`)) {
                        houseGroup.removeLayer(layer);
                    }
                });
            },

            newHouse(element) {
                const btn = element;
                this.editing = !this.editing;
                setLeafletCursor(this.editing ? 'crosshair' : 'pointer');
                btn.innerHTML = this.editing
                    ? `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 26 26"> <path d="M 6.65625 4 C 6.367188 4 6.105469 4.113281 5.90625 4.3125 L 4.3125 5.90625 C 3.914063 6.304688 3.914063 7 4.3125 7.5 L 9.8125 13 L 4.3125 18.5 C 3.914063 19 3.914063 19.695313 4.3125 20.09375 L 5.90625 21.6875 C 6.40625 22.085938 7.101563 22.085938 7.5 21.6875 L 13 16.1875 L 18.5 21.6875 C 19 22.085938 19.695313 22.085938 20.09375 21.6875 L 21.6875 20.09375 C 22.085938 19.59375 22.085938 18.898438 21.6875 18.5 L 16.1875 13 L 21.6875 7.5 C 22.085938 7 22.085938 6.304688 21.6875 5.90625 L 20.09375 4.3125 C 19.59375 3.914063 18.898438 3.914063 18.5 4.3125 L 13 9.8125 L 7.5 4.3125 C 7.25 4.113281 6.945313 4 6.65625 4 Z" ></path> </svg><span>Завершити додавання</span>`
                    : `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 30 30"> <path d="M 22.828125 3 C 22.316375 3 21.804562 3.1954375 21.414062 3.5859375 L 19 6 L 24 11 L 26.414062 8.5859375 C 27.195062 7.8049375 27.195062 6.5388125 26.414062 5.7578125 L 24.242188 3.5859375 C 23.851688 3.1954375 23.339875 3 22.828125 3 z M 17 8 L 5.2597656 19.740234 C 5.2597656 19.740234 6.1775313 19.658 6.5195312 20 C 6.8615312 20.342 6.58 22.58 7 23 C 7.42 23.42 9.6438906 23.124359 9.9628906 23.443359 C 10.281891 23.762359 10.259766 24.740234 10.259766 24.740234 L 22 13 L 17 8 z M 4 23 L 3.0566406 25.671875 A 1 1 0 0 0 3 26 A 1 1 0 0 0 4 27 A 1 1 0 0 0 4.328125 26.943359 A 1 1 0 0 0 4.3378906 26.939453 L 4.3632812 26.931641 A 1 1 0 0 0 4.3691406 26.927734 L 7 26 L 5.5 24.5 L 4 23 z" ></path> </svg><span>Додати будинок</span>`;
                if (this.editing) alert("Натискаючи на карту будуть створюватись нові точки (будинки)");
            }
        }
    },

    house: {
        init() {
            console.log('house');
            const part_2 = document.getElementById('part-2');
            const part_2_title = document.getElementById('part-2-title');
            part_2_title.innerHTML = `<span>Крок 2.</span> Конструктор будинків`;
            part_2.style.display = "";

            Constructor.osm.init();
        },

        next() {
            console.log('house next');
            const part_3 = document.getElementById('part-3');
            const title = part_3.querySelector('h1');
            const button = part_3.querySelector('#part-3-button');
            part_3.innerHTML = '';

            title.innerHTML = `<span>Крок 3.</span> Конструктор квартир`;

            part_3.appendChild(title);
            part_3.innerHTML += `<input onchange="Constructor.house.apartments.editQuantity(this.value)" type="number" value="1" id="next-apartment-title" title="Авто-номер наступної квартири">`
            part_3.appendChild(button);
            part_3.style.display = "";

            this.apartments.init();

        },

        async save() {
            console.log('house next save');
            Constructor.info.entrances = this.apartments.list.map((entrance, entranceIndex) => {
                let apartments = [];
                let apartmentCounter = 0;

                entrance.list.forEach((floor, floorIndex) => {
                    floor.forEach(apartment => {
                        apartments.push({
                            title: apartment.title,
                            apartment_number: apartmentCounter++,
                            floors_number: floorIndex + 1
                        });
                    });
                });

                return {
                    title: entrance.title,
                    entrance_number: entranceIndex,
                    apartments
                };
            });

            Constructor.save();
        },

        apartments: {
            quantity: 0,
            list: [],

            init() {
                const part_3 = document.getElementById("part-3");
                const part_3_Button = part_3.querySelector("#part-3-button");

                this.quantity++;
                const newEntrance = {
                    title: `Під'їзд ${this.list.length + 1}`,
                    list: [[{ title: this.quantity }]]
                };
                this.list.push(newEntrance);

                const eIndex = this.list.length - 1;
                const floorIndex = 0;
                const apartmentIndex = 0;

                const houseDiv = this.createHouse(eIndex);
                const entranceDiv = this.createEntrance(eIndex);
                const floorDiv = this.createFloor(eIndex, floorIndex);
                const apartmentDiv = this.createApartment(eIndex, floorIndex, apartmentIndex, this.quantity);

                floorDiv.insertBefore(apartmentDiv, floorDiv.querySelector(".floor-info"));
                entranceDiv.appendChild(floorDiv);
                houseDiv.insertBefore(entranceDiv, houseDiv.querySelector(".entrance-button"));
                part_3.insertBefore(houseDiv, part_3_Button);
            },

            createApartment(entrance, floor, apartment, value) {
                const div = document.createElement("div");
                div.className = "apartment";
                div.id = `apartment-${entrance}-${floor}-${apartment}`;
                div.innerHTML = `
                    <input onchange="Constructor.house.apartments.editApartment(${entrance}, ${floor}, ${apartment}, this.value)" type="text" value="${value}">
                    <button onclick="Constructor.house.apartments.deleteApartment(${entrance}, ${floor}, ${apartment})" title="Видалити квартиру" type="button">
                        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 26 26"><path d="M 6.65625 4 C 6.367188 4 6.105469 4.113281 5.90625 4.3125 L 4.3125 5.90625 C 3.914063 6.304688 3.914063 7 4.3125 7.5 L 9.8125 13 L 4.3125 18.5 C 3.914063 19 3.914063 19.695313 4.3125 20.09375 L 5.90625 21.6875 C 6.40625 22.085938 7.101563 22.085938 7.5 21.6875 L 13 16.1875 L 18.5 21.6875 C 19 22.085938 19.695313 22.085938 20.09375 21.6875 L 21.6875 20.09375 C 22.085938 19.59375 22.085938 18.898438 21.6875 18.5 L 16.1875 13 L 21.6875 7.5 C 22.085938 7 22.085938 6.304688 21.6875 5.90625 L 20.09375 4.3125 C 19.59375 3.914063 18.898438 3.914063 18.5 4.3125 L 13 9.8125 L 7.5 4.3125 C 7.25 4.113281 6.945313 4 6.65625 4 Z"></path></svg>
                    </button>
                `;
                return div;
            },

            createFloor(entrance, floor) {
                const div = document.createElement("div");
                div.className = "floor";
                div.id = `floor-${entrance}-${floor}`;
                div.innerHTML = `
                    <div class="floor-info">
                        <h2>Поверх ${floor + 1}</h2>
                        <button onclick="Constructor.house.apartments.addApartment(${entrance}, ${floor})" title="Додати квартиру" type="button">
                            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 26 26"><path d="M 6.65625 4 C 6.367188 4 6.105469 4.113281 5.90625 4.3125 L 4.3125 5.90625 C 3.914063 6.304688 3.914063 7 4.3125 7.5 L 9.8125 13 L 4.3125 18.5 C 3.914063 19 3.914063 19.695313 4.3125 20.09375 L 5.90625 21.6875 C 6.40625 22.085938 7.101563 22.085938 7.5 21.6875 L 13 16.1875 L 18.5 21.6875 C 19 22.085938 19.695313 22.085938 20.09375 21.6875 L 21.6875 20.09375 C 22.085938 19.59375 22.085938 18.898438 21.6875 18.5 L 16.1875 13 L 21.6875 7.5 C 22.085938 7 22.085938 6.304688 21.6875 5.90625 L 20.09375 4.3125 C 19.59375 3.914063 18.898438 3.914063 18.5 4.3125 L 13 9.8125 L 7.5 4.3125 C 7.25 4.113281 6.945313 4 6.65625 4 Z"></path></svg>
                        </button>
                    </div>`;
                return div;
            },

            createEntrance(entrance) {
                const div = document.createElement("div");
                div.className = "entrance";
                div.id = `entrance-${entrance}`;
                div.innerHTML = `
                    <div class="entrance-info">
                        <input onchange="Constructor.house.apartments.editEntrance(${entrance}, this.value)" type="text" value="Під'їзд ${entrance + 1}">
                        <button onclick="Constructor.house.apartments.addFloors(${entrance})" title="Додати поверх" type="button">
                            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 26 26"><path d="M 6.65625 4 C 6.367188 4 6.105469 4.113281 5.90625 4.3125 L 4.3125 5.90625 C 3.914063 6.304688 3.914063 7 4.3125 7.5 L 9.8125 13 L 4.3125 18.5 C 3.914063 19 3.914063 19.695313 4.3125 20.09375 L 5.90625 21.6875 C 6.40625 22.085938 7.101563 22.085938 7.5 21.6875 L 13 16.1875 L 18.5 21.6875 C 19 22.085938 19.695313 22.085938 20.09375 21.6875 L 21.6875 20.09375 C 22.085938 19.59375 22.085938 18.898438 21.6875 18.5 L 16.1875 13 L 21.6875 7.5 C 22.085938 7 22.085938 6.304688 21.6875 5.90625 L 20.09375 4.3125 C 19.59375 3.914063 18.898438 3.914063 18.5 4.3125 L 13 9.8125 L 7.5 4.3125 C 7.25 4.113281 6.945313 4 6.65625 4 Z"></path></svg>
                        </button>
                    </div>`;
                return div;
            },

            createHouse() {
                const div = document.createElement("div");
                div.id = `house`;
                div.innerHTML = `
                    <button class="entrance-button" onclick="Constructor.house.apartments.addEntrance()" title="Додати під'їзд" type="button">
                        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 26 26"> <path d="M 6.65625 4 C 6.367188 4 6.105469 4.113281 5.90625 4.3125 L 4.3125 5.90625 C 3.914063 6.304688 3.914063 7 4.3125 7.5 L 9.8125 13 L 4.3125 18.5 C 3.914063 19 3.914063 19.695313 4.3125 20.09375 L 5.90625 21.6875 C 6.40625 22.085938 7.101563 22.085938 7.5 21.6875 L 13 16.1875 L 18.5 21.6875 C 19 22.085938 19.695313 22.085938 20.09375 21.6875 L 21.6875 20.09375 C 22.085938 19.59375 22.085938 18.898438 21.6875 18.5 L 16.1875 13 L 21.6875 7.5 C 22.085938 7 22.085938 6.304688 21.6875 5.90625 L 20.09375 4.3125 C 19.59375 3.914063 18.898438 3.914063 18.5 4.3125 L 13 9.8125 L 7.5 4.3125 C 7.25 4.113281 6.945313 4 6.65625 4 Z"></path></svg>
                    </button>`;
                return div;
            },

            addEntrance() {
                const blockHouse = document.getElementById("house");
                const houseButton = blockHouse.querySelector(".entrance-button");

                this.editQuantity(this.quantity + 1);
                const newEntrance = {
                    title: `Під'їзд ${this.list.length + 1}`,
                    list: [[{ title: this.quantity }]]
                };
                this.list.push(newEntrance);

                const eIndex = this.list.length - 1;
                const floorIndex = 0;
                const apartmentIndex = 0;

                const entranceDiv = this.createEntrance(eIndex);
                const floorDiv = this.createFloor(eIndex, floorIndex);
                const apartmentDiv = this.createApartment(eIndex, floorIndex, apartmentIndex, this.quantity);

                floorDiv.insertBefore(apartmentDiv, floorDiv.querySelector(".floor-info"));
                entranceDiv.appendChild(floorDiv);
                blockHouse.insertBefore(entranceDiv, houseButton);
            },

            editEntrance(entrance, value) {
                this.list[entrance].title = value;
            },

            addFloors(entrance) {
                const entranceBlock = document.getElementById(`entrance-${entrance}`);
                const entranceInfo = entranceBlock.querySelector(".entrance-info");

                this.editQuantity(this.quantity + 1);
                this.list[entrance].list.push([{ title: this.quantity }]);
                const fIndex = this.list[entrance].list.length - 1;

                const floorDiv = this.createFloor(entrance, fIndex);
                const aptDiv = this.createApartment(entrance, fIndex, 0, this.quantity);

                floorDiv.insertBefore(aptDiv, floorDiv.querySelector(".floor-info"));
                entranceInfo.after(floorDiv);
            },

            addApartment(entrance, floor) {
                const blockFloor = document.getElementById(`floor-${entrance}-${floor}`);
                const floorInfo = blockFloor.querySelector(".floor-info");

                this.editQuantity(this.quantity + 1);
                this.list[entrance].list[floor].push({ title: this.quantity });
                const aIndex = this.list[entrance].list[floor].length - 1;

                const aptDiv = this.createApartment(entrance, floor, aIndex, this.quantity);
                blockFloor.insertBefore(aptDiv, floorInfo);
            },

            editApartment(entrance, floor, apartment, value) {
                this.list[entrance].list[floor][apartment].title = value;
            },

            deleteApartment(entrance, floor, apartment) {
                this.list[entrance].list[floor].splice(apartment, 1);
                document.getElementById(`apartment-${entrance}-${floor}-${apartment}`)?.remove();

                this.editQuantity(this.quantity - 1);
            },

            editQuantity(value) {
                const next_apartment_title = document.getElementById('next-apartment-title');
                next_apartment_title.style.display = "";
                next_apartment_title.value = value;

                this.quantity = Number(value);
            }
        }
    },

    osm: {
        init() {
            const center = { lat: 49.5629016, lng: 25.6145625 };
            const zoom = 19;

            const googleHybrid = L.tileLayer('http://{s}.google.com/vt/lyrs=s,h&x={x}&y={y}&z={z}', {
                subdomains: ['mt0', 'mt1', 'mt2', 'mt3']
            });
            const osm = L.tileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png');
            const mytile = L.tileLayer('https://sheep-service.com/map/{z}/{x}/{y}.webp', {
                maxZoom: 20, minZoom: 15, tms: true
            });

            if (!map) {
                houseGroup = new L.FeatureGroup();
                homesteadGroup = new L.FeatureGroup();
                buildingGroup = new L.FeatureGroup();
                pointsGroup = new L.FeatureGroup();

                map = L.map('map', {
                    renderer: L.canvas(), center, zoom,
                    layers: [googleHybrid, osm, mytile, houseGroup, homesteadGroup, buildingGroup, pointsGroup],
                    zoomControl: false
                });


                L.control.layers(
                    { "Google Hybrid": googleHybrid, "OpenStreetMap": osm, "Territory Map": mytile },
                    {
                        "Багатоповерхові будинки": houseGroup,
                        "Житлові райони": homesteadGroup,
                        "Приватні будинки": buildingGroup,
                        "Точки на карті": pointsGroup
                    },
                    { position: 'bottomright' }
                ).addTo(map);

                map.pm.addControls({
                    position: 'bottomright',
                    drawCircleMarker: false,
                    drawPolyline: false,
                    drawPolygon: false,
                    drawRectangle: false,
                    drawCircle: false,
                    drawText: false,
                    drawMarker: false,
                    cutPolygon: false,
                    tooltips: false,
                    editMode: true,
                    dragMode: true,
                });
                map.pm.toggleControls()


                // Событие после завершения рисования
                map.on('pm:create', e => {
                    const layer = e.layer;

                    let LatLngs = layer.getLatLngs();
                    LatLngs[0].push(LatLngs[0][0]);

                    Constructor.info.points.push(LatLngs);
                    Constructor.info.points_number.push(this.center(layer.getLatLngs()));
                    let geo = this.center(layer.getLatLngs());

                    const house = layer; // сохраняем именно слой

                    if (Constructor.info.type === 'house') {
                        houseGroup.addLayer(house);
                    } else if (Constructor.info.type === 'homestead') {
                        homesteadGroup.addLayer(house);
                    }

                    house.bindPopup(`
                        Координати: ${geo.lat.toFixed(5)}, ${geo.lng.toFixed(5)}<br>
                        <button class="map_dell" type="button">Видалити</button>
                    `);

                    // при открытии popup вешаем обработчик удаления
                    house.on('popupopen', (e) => {
                        if (Constructor.homestead.building.editing) {
                            house.closePopup();
                            return;
                        }

                        const btn = e.popup.getElement().querySelector('.map_dell');
                        if (btn) {
                            btn.addEventListener('click', () => {
                                Constructor.osm.delete(house);
                            });
                        }
                    });

                    Constructor.osm.autoZoom(Constructor.info.points);
                });

                map.pm.setLang("ua");
            }

            houseGroup.clearLayers();
            homesteadGroup.clearLayers();
            buildingGroup.clearLayers();
            pointsGroup.clearLayers();
        },

        newPoligon() {
            if (Constructor.info.type === 'house') {
                map.pm.enableDraw('Polygon', {
                    snappable: true,
                    snapDistance: 20,
                    layerGroup: houseGroup,
                    templineStyle: {
                        color: '#585858',
                        radius: 500,
                        fillOpacity: 0.4,
                        dashArray: '5, 10',
                        dashOffset: '20',
                    },
                    hintlineStyle: {
                        color: '#C14D4D',
                        dashArray: '5, 10'
                    },
                    pathOptions: {
                        color: "#585858",
                        fillColor: "#f2bd53",
                        fillOpacity: 0.8
                    }
                });
            } else if (Constructor.info.type === 'homestead') {
                map.pm.enableDraw('Polygon', {
                    snappable: true,
                    snapDistance: 20,
                    layerGroup: houseGroup,
                    templineStyle: {
                        color: '#585858',
                        radius: 500,
                        fillOpacity: 0.3,
                        dashArray: '5, 10',
                        dashOffset: '20',
                    },
                    hintlineStyle: {
                        color: '#C14D4D',
                        dashArray: '5, 10'
                    },
                    pathOptions: {
                        color: "#f2bd53",
                        fillColor: "#f2bd53",
                        radius: 500,
                        fillOpacity: 0.3,
                        dashArray: '5, 10'
                    }
                });
            }
        },

        async autoPoligon(IDs) {
            if (!IDs) return;

            const ids_list = IDs.replace(/\s+/g, "").split(',');
            Constructor.info.osm_id = ids_list;

            houseGroup.clearLayers();
            homesteadGroup.clearLayers();

            Constructor.info.points = [];
            Constructor.info.points_number = [];
            Constructor.info.geo = {}


            // 1006306041, 1006306065


            for (let i = 0; i < ids_list.length; i++) {
                const element = await Constructor.osm.getOSM(Constructor.info.osm_id[i]);

                // Преобразуем координаты в LatLng
                const LatLngs = [[]];
                element[0].forEach(feature => LatLngs[0].push({ lat: feature.lat, lng: feature.lng }));

                // Замыкаем полигон
                if (LatLngs[0][0] && LatLngs[0][0] !== LatLngs[0][LatLngs[0].length - 1]) {
                    LatLngs[0].push(LatLngs[0][0]);
                }

                // Считаем центр
                const center = this.center(LatLngs);

                // Сохраняем в points / points_number
                Constructor.info.points.push(LatLngs);
                Constructor.info.points_number.push(center);

                // Создаем L.polygon
                const polyOptions = Constructor.info.type === 'homestead'
                    ? { color: "#f2bd53", fillColor: "#f2bd53", fillOpacity: 0.4, dashArray: '5,10' }
                    : { color: "#585858", fillColor: "#f2bd53", fillOpacity: 0.8 };

                const house = L.polygon(LatLngs, polyOptions);

                // Добавляем в нужную группу
                if (Constructor.info.type === 'house') {
                    houseGroup.addLayer(house);
                } else if (Constructor.info.type === 'homestead') {
                    homesteadGroup.addLayer(house);
                }

                // Bind popup с кнопкой удаления
                house.bindPopup(`
                    Координати: ${center.lat.toFixed(5)}, ${center.lng.toFixed(5)}<br>
                    <button class="map_dell" type="button">Видалити</button>
                `);

                house.on('popupopen', (e) => {
                    if (Constructor.homestead.building.editing) {
                        house.closePopup();
                        return;
                    }

                    const btn = e.popup.getElement().querySelector('.map_dell');
                    if (btn) {
                        btn.addEventListener('click', () => {
                            Constructor.osm.delete(house);
                        });
                    }
                });
            }

            Constructor.osm.autoZoom(Constructor.info.points);
        },

        center(geo) {
            // Получаем координаты полигона Leaflet
            let latlngs = geo[0];

            // Преобразуем в формат GeoJSON для Turf
            const coordinates = latlngs.map(ll => [ll.lng, ll.lat]);
            const polygonGeoJSON = {
                type: "Feature",
                geometry: {
                    type: "Polygon",
                    coordinates: [coordinates]
                }
            };

            // Находим центроид
            const centroid = turf.centroid(polygonGeoJSON);

            latlngs = { lat: centroid.geometry.coordinates[1], lng: centroid.geometry.coordinates[0] }

            return latlngs;
        },

        autoZoom(polygons) {
            if (!polygons || !polygons.length) return;

            const allBounds = [];

            polygons.forEach(polygon => {
                const ring = polygon[0];
                if (!ring || ring.length < 3) return;

                const coords = ring.map(p => [p.lng, p.lat]);
                if (coords[0][0] !== coords[coords.length - 1][0] || coords[0][1] !== coords[coords.length - 1][1]) {
                    coords.push(coords[0]);
                }

                const polygonGeoJSON = turf.polygon([coords]);
                const bbox = turf.bbox(polygonGeoJSON);
                const bounds = L.latLngBounds(
                    [bbox[1], bbox[0]],
                    [bbox[3], bbox[2]]
                );

                allBounds.push(bounds);
            });

            if (!allBounds.length) return;

            // Если один полигон, просто fitBounds на него
            if (allBounds.length === 1) {
                map.fitBounds(allBounds[0]);
            } else {
                // Несколько полигонов → объединяем bounds
                let finalBounds = allBounds[0];
                for (let i = 1; i < allBounds.length; i++) {
                    finalBounds = finalBounds.extend(allBounds[i]);
                }
                map.fitBounds(finalBounds);
            }


            if (map.getZoom() > 18) map.setZoom(18);

            setTimeout(() => {
                Constructor.info.zoom = map.getZoom();
                Constructor.info.geo = map.getCenter();
            }, 200)
        },

        delete(house) {
            // убрать слой с карты
            if (Constructor.info.type === 'house') {
                houseGroup.removeLayer(house);
            } else if (Constructor.info.type === 'homestead') {
                homesteadGroup.removeLayer(house);
            }

            // найти индекс полигона в points
            const index = Constructor.info.points.findIndex(p => p === house.getLatLngs());

            if (index !== -1) {
                // удалить из points и points_number по индексу
                Constructor.info.points.splice(index, 1);
                Constructor.info.points_number.splice(index, 1);
            }

            Constructor.osm.autoZoom(Constructor.info.points);
        },

        async getOSM(wayId) {
            const overpassUrl = `https://overpass-api.de/api/interpreter?data=[out:json];way(${wayId});(._;>;);out;`;

            return await fetch(overpassUrl)
                .then(response => response.json())
                .then(data => {
                    const nodes = new Map();

                    data.elements.forEach(el => {
                        if (el.type === "node") {
                            nodes.set(el.id, { lat: el.lat, lng: el.lon });
                        }
                    });

                    const way = data.elements.find(el => el.type === "way");
                    if (way) {
                        const coordinates = way.nodes.map(nodeId => nodes.get(nodeId));

                        return [coordinates];
                    } else {
                        console.error("Way не найден!");
                    }
                })
                .catch(error => console.error("Ошибка запроса:", error));
        },
    },

    async save() {
        const part_3_button = document.getElementById('part-3-button');

        console.log(Constructor.info);

        setLeafletCursor('pointer');
        Constructor.homestead.building.editing = false;

        const uuid = localStorage.getItem('uuid');
        const URL = `${CONFIG.api}constructor`;
        await fetch(URL, {
            method: 'POST',
            headers: {
                "Content-Type": "application/json",
                "Authorization": uuid
            },
            body: JSON.stringify(Constructor.info)
        })
            .then(response => {
                if (response.status == 200) {
                    console.log({ 'setPack': 'ok' });
                    part_3_button.innerText = "Запис додано";

                    return response.json()
                } else {
                    console.log('err');
                    part_3_button.innerText = "Помилка запису";

                    return
                }
            })
            .then(data => {
                console.log(data);

                Territory.house.list = [];
                Territory.homestead.list = [];
                Router.navigate(`/territory/manager/${Constructor.info.type}/${data.id}`);

                setTimeout(() => {
                    part_3_button.innerText = "Зберегти";
                }, 3000);
            })
            .catch(err => {
                console.log(err);
                part_3_button.innerText = "Помилка запису";
            })
    }
}