// --- Fitur Pemetaan Kemiskinan ---

// Emoji per jenis ibadah
const IBADAH_EMOJI_MAP = {
    'Masjid':    '🕌',
    'Gereja':    '⛪',
    'Pura':      '🛕',
    'Vihara':    '🪷',
    'Kelenteng': '🏮',
};

// Emoji Bubble Icon builder
function makeIbadahIcon(jenis) {
    const emot = IBADAH_EMOJI_MAP[jenis] || '🕌';
    return L.divIcon({
        className: '',
        html: `<div class="emoji-marker"><div class="bubble ibadah"><span>${emot}</span></div></div>`,
        iconSize: [38, 38],
        iconAnchor: [19, 38],
        popupAnchor: [0, -40]
    });
}

function makeMiskinIcon(inRadius) {
    const cls = inRadius ? 'miskin-in' : 'miskin-out';
    return L.divIcon({
        className: '',
        html: `<div class="emoji-marker"><div class="bubble ${cls}"><span>🏠</span></div></div>`,
        iconSize: [38, 38],
        iconAnchor: [19, 38],
        popupAnchor: [0, -40]
    });
}


let ibadahDataList = [];
let miskinMarkerList = []; // Simpan referensi marker untuk update warna

let isResizing = false;
let resizingCircle = null;
let resizingIbadah = null;

map.on('mousemove', function(e) {
    if (isResizing && resizingCircle && resizingIbadah) {
        const center = resizingCircle.getLatLng();
        const newRadius = center.distanceTo(e.latlng);
        resizingCircle.setRadius(newRadius);
        resizingIbadah.radius = newRadius;
        
        // Update data radius di marker juga
        rumahIbadahLayer.eachLayer(function(layer) {
            if (layer.ibadahData && layer.ibadahData.id === resizingIbadah.id && layer instanceof L.Marker) {
                layer.ibadahData.radius = newRadius;
            }
        });
        
        updateSemuaWarnaMiskin();
    }
});

map.on('mouseup', function(e) {
    if (isResizing) {
        isResizing = false;
        map.dragging.enable();
        if (resizingIbadah) {
            updateIbadah(resizingIbadah.id, resizingIbadah.nama, resizingIbadah.jenis, resizingIbadah.alamat, resizingIbadah.radius, resizingIbadah.lat, resizingIbadah.lng);
        }
        resizingCircle = null;
        resizingIbadah = null;
    }
});

// --- Rumah Ibadah ---
function loadRumahIbadah() {
    rumahIbadahLayer.clearLayers();
    ibadahDataList = [];
    fetch('api/rumah_ibadah/read.php')
        .then(res => res.json())
        .then(data => {
            if (data.status === 'success' && data.data) {
                ibadahDataList = data.data;
                data.data.forEach(item => {
                    addIbadahMarker(item);
                });
                updateSemuaWarnaMiskin();
            }
            if (window.refreshActivePanel) window.refreshActivePanel();
        });
}

function addIbadahMarker(item) {
    const lat = parseFloat(item.lat);
    const lng = parseFloat(item.lng);
    const radius = parseFloat(item.radius) || 100; // fallback if invalid

    if (isNaN(lat) || isNaN(lng)) return;

    const marker = L.marker([lat, lng], { icon: makeIbadahIcon(item.jenis), draggable: true });
    
    // Lingkaran radius
    const circle = L.circle([lat, lng], {
        radius: radius,
        color: '#ff7800',
        weight: 2,
        fillColor: '#ff7800',
        fillOpacity: 0.2
    });

    circle.on('mousemove', function(e) {
        if (isResizing) return;
        const center = circle.getLatLng();
        const radius = circle.getRadius();
        const dist = center.distanceTo(e.latlng);
        
        const metersPerPixel = map.distance(map.containerPointToLatLng([0,0]), map.containerPointToLatLng([0,1]));
        const tolerance = Math.max(radius * 0.1, metersPerPixel * 15); // toleransi 15px atau 10%
        
        if (Math.abs(dist - radius) <= tolerance) {
            if (circle._path) circle._path.style.cursor = 'ew-resize';
            circle.nearEdge = true;
        } else {
            if (circle._path) circle._path.style.cursor = 'pointer';
            circle.nearEdge = false;
        }
    });

    circle.on('mousedown', function(e) {
        if (circle.nearEdge) {
            map.dragging.disable();
            isResizing = true;
            resizingCircle = circle;
            resizingIbadah = item;
            L.DomEvent.stopPropagation(e);
        }
    });

    marker.ibadahData = item;
    marker.circleLayer = circle;

    const d = item;
    const emot = IBADAH_EMOJI_MAP[d.jenis] || '🕌';
    const popupContent = `
        <div style="font-family: Arial, sans-serif; min-width: 160px;">
            <h4 style="margin:0 0 5px 0;">${emot} ${d.nama}</h4>
            <p style="margin: 0 0 3px 0;"><b>Jenis:</b> ${d.jenis || 'Masjid'}</p>
            <p style="margin: 0 0 3px 0;"><b>Alamat:</b> ${d.alamat}</p>
            <p style="margin: 0 0 10px 0;"><b>Radius:</b> ${d.radius} m</p>
            <div style="display:flex; gap:5px;">
                <button style="padding:4px 8px; background:#007bff; color:white; border:none; border-radius:3px; cursor:pointer;" onclick="openEditIbadahModal(${d.id})">Edit</button>
                <button style="padding:4px 8px; background:#dc3545; color:white; border:none; border-radius:3px; cursor:pointer;" onclick="deleteIbadah(${d.id})">Hapus</button>
            </div>
        </div>
    `;
    marker.bindPopup(popupContent);

    marker.on('dragend', function(e) {
        const newPos = marker.getLatLng();
        circle.setLatLng(newPos);
        item.lat = newPos.lat;
        item.lng = newPos.lng;
        // Update ke DB
        updateIbadah(item.id, item.nama, item.jenis, item.alamat, item.radius, newPos.lat, newPos.lng);
    });

    rumahIbadahLayer.addLayer(circle);
    rumahIbadahLayer.addLayer(marker);
}

// Konteks Menu untuk Tambah Penduduk Miskin (klik kanan peta)
map.on('contextmenu', function(e) {
    if (isDrawingMode) return;

    const popupContent = `
        <div class="popup-form">
            <h4>Tambah Titik</h4>
            <button class="btn-danger" style="margin-top:5px;" onclick="formAddMiskin(${e.latlng.lat}, ${e.latlng.lng})">Tambah Penduduk Miskin</button>
        </div>
    `;
    L.popup().setLatLng(e.latlng).setContent(popupContent).openOn(map);
});

// Map Click -> Form Add Rumah Ibadah
map.on('click', function(e) {
    if (isDrawingMode) return;
    
    if (window.currentAddMode === 'rumah_ibadah') {
        const lat = e.latlng.lat;
        const lng = e.latlng.lng;
        
        // Reverse Geocoding
        fetch(`https://nominatim.openstreetmap.org/reverse?format=json&lat=${lat}&lon=${lng}`)
            .then(res => res.json())
            .then(geoData => {
                const alamat = geoData.display_name || 'Alamat tidak ditemukan';
                const bodyHTML = `
                    <div class="form-group">
                        <label>Lat: ${lat.toFixed(6)}, Lng: ${lng.toFixed(6)}</label>
                    </div>
                    <div class="form-group">
                        <label>Nama Rumah Ibadah</label>
                        <input type="text" id="modalIbadahNama" placeholder="Nama Rumah Ibadah">
                    </div>
                    <div class="form-group">
                        <label>Jenis</label>
                        <select id="modalIbadahJenis">
                            <option value="Masjid">🕌 Masjid</option>
                            <option value="Gereja">⛪ Gereja</option>
                            <option value="Pura">🛕 Pura</option>
                            <option value="Vihara">🪷 Vihara</option>
                            <option value="Kelenteng">🏮 Kelenteng</option>
                        </select>
                    </div>
                    <div class="form-group">
                        <label>Alamat (Auto)</label>
                        <textarea id="modalIbadahAlamat" rows="3">${alamat}</textarea>
                    </div>
                    <div class="form-group">
                        <label>Radius (m)</label>
                        <input type="number" id="modalIbadahRadius" value="500">
                    </div>
                `;
                
                openModal("Tambah Rumah Ibadah", bodyHTML, function() {
                    window.saveNewIbadah(lat, lng, 'modalIbadahNama', 'modalIbadahJenis', 'modalIbadahAlamat', 'modalIbadahRadius');
                });
                
                window.deactivateAddMode();
            })
            .catch(err => {
                // Tetap buka modal meskipun gagal mendapatkan alamat
                const alamat = '';
                const bodyHTML = `
                    <div class="form-group">
                        <label>Lat: ${lat.toFixed(6)}, Lng: ${lng.toFixed(6)}</label>
                    </div>
                    <div class="form-group">
                        <label>Nama Rumah Ibadah</label>
                        <input type="text" id="modalIbadahNama" placeholder="Nama Rumah Ibadah">
                    </div>
                    <div class="form-group">
                        <label>Jenis</label>
                        <select id="modalIbadahJenis">
                            <option value="Masjid">🕌 Masjid</option>
                            <option value="Gereja">⛪ Gereja</option>
                            <option value="Pura">🛕 Pura</option>
                            <option value="Vihara">🪷 Vihara</option>
                            <option value="Kelenteng">🏮 Kelenteng</option>
                        </select>
                    </div>
                    <div class="form-group">
                        <label>Alamat (Manual)</label>
                        <textarea id="modalIbadahAlamat" rows="3" placeholder="Masukkan alamat manual">${alamat}</textarea>
                    </div>
                    <div class="form-group">
                        <label>Radius (m)</label>
                        <input type="number" id="modalIbadahRadius" value="500">
                    </div>
                `;
                
                openModal("Tambah Rumah Ibadah", bodyHTML, function() {
                    window.saveNewIbadah(lat, lng, 'modalIbadahNama', 'modalIbadahJenis', 'modalIbadahAlamat', 'modalIbadahRadius');
                });
                
                window.deactivateAddMode();
            });
    }
});

window.saveNewIbadah = function(lat, lng, namaId, jenisId, alamatId, radiusId) {
    const nama   = document.getElementById(namaId).value;
    const jenis  = document.getElementById(jenisId).value;
    const alamat = document.getElementById(alamatId).value;
    const radius = document.getElementById(radiusId).value;

    if (!nama) { alert("Nama Rumah Ibadah harus diisi!"); return; }

    fetch('api/rumah_ibadah/create.php', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ nama, jenis, alamat, radius, lat, lng })
    })
    .then(res => res.json())
    .then(data => {
        if(data.status === 'success') { closeModal(); loadRumahIbadah(); }
        else { alert(data.message); }
    });
};

window.openEditIbadahModal = function(id) {
    let d = null;
    rumahIbadahLayer.eachLayer(function(layer) {
        if (layer.ibadahData && layer.ibadahData.id == id) d = layer.ibadahData;
    });
    if (!d) return;

    const jenisOpts = ['Masjid','Gereja','Pura','Vihara','Kelenteng'].map(j =>
        `<option value="${j}" ${d.jenis === j ? 'selected' : ''}>${IBADAH_EMOJI_MAP[j] || ''} ${j}</option>`
    ).join('');

    const bodyHTML = `
        <div class="form-group">
            <label>Nama Rumah Ibadah</label>
            <input type="text" id="editIbadahNama" value="${d.nama}">
        </div>
        <div class="form-group">
            <label>Jenis</label>
            <select id="editIbadahJenis">${jenisOpts}</select>
        </div>
        <div class="form-group">
            <label>Alamat</label>
            <textarea id="editIbadahAlamat" rows="2">${d.alamat}</textarea>
        </div>
        <div class="form-group">
            <label>Radius (m)</label>
            <input type="number" id="editIbadahRadius" value="${d.radius}" oninput="previewRadius(${d.id}, this.value)">
        </div>
    `;
    map.closePopup();
    openModal("Edit Rumah Ibadah", bodyHTML, function() {
        window.saveEditIbadah(d.id, d.lat, d.lng, 'editIbadahNama', 'editIbadahJenis', 'editIbadahAlamat', 'editIbadahRadius');
    });
};

window.previewRadius = function(id, newRadius) {
    rumahIbadahLayer.eachLayer(function(layer) {
        // layer ini bisa marker atau circle, kita cek yang punya circleLayer (marker)
        if (layer.ibadahData && layer.ibadahData.id === id && layer.circleLayer) {
            layer.circleLayer.setRadius(parseFloat(newRadius));
            layer.ibadahData.radius = parseFloat(newRadius);
            updateSemuaWarnaMiskin(); // Update warna miskin real-time
        }
    });
};

window.saveEditIbadah = function(id, lat, lng, namaId, jenisId, alamatId, radiusId) {
    const nama   = document.getElementById(namaId).value;
    const jenis  = document.getElementById(jenisId).value;
    const alamat = document.getElementById(alamatId).value;
    const radius = document.getElementById(radiusId).value;
    updateIbadah(id, nama, jenis, alamat, radius, lat, lng);
};

function updateIbadah(id, nama, jenis, alamat, radius, lat, lng) {
    fetch('api/rumah_ibadah/update.php', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ id, nama, jenis, alamat, radius, lat, lng })
    }).then(res => res.json()).then(data => {
        if(data.status === 'success') { 
            if (typeof closeModal === 'function') closeModal();
            map.closePopup(); 
            loadRumahIbadah(); 
        }
    });
}

window.deleteIbadah = function(id) {
    openConfirmModal("Yakin hapus rumah ibadah ini?", function() {
        fetch('api/rumah_ibadah/delete.php', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({ id })
        }).then(res => res.json()).then(data => {
            if(data.status === 'success') { map.closePopup(); loadRumahIbadah(); }
        });
    });
};


// --- Penduduk Miskin ---
function loadPendudukMiskin() {
    pendudukMiskinLayer.clearLayers();
    miskinMarkerList = [];
    fetch('api/penduduk_miskin/read.php')
        .then(res => res.json())
        .then(data => {
            if (data.status === 'success' && data.data) {
                data.data.forEach(item => {
                    addMiskinMarker(item);
                });
                updateSemuaWarnaMiskin();
            }
            if (window.refreshActivePanel) window.refreshActivePanel();
        });
}

function addMiskinMarker(item) {
    const lat = parseFloat(item.lat);
    const lng = parseFloat(item.lng);
    if (isNaN(lat) || isNaN(lng)) return;

    const marker = L.marker([lat, lng], { icon: makeMiskinIcon(false), draggable: true });
    marker.miskinData = item;
    
    const d = item;
    const popupContent = `
        <div style="font-family: Arial, sans-serif; min-width: 165px;">
            <h4 style="margin:0 0 5px 0;">🏠 ${d.nama}</h4>
            <p style="margin: 0 0 3px 0;"><b>Bantuan:</b> ${d.kategori_bantuan}</p>
            <p style="margin: 0 0 10px 0;"><b>Jiwa:</b> ${d.jumlah_jiwa || '-'}</p>
            <div style="display:flex; gap:5px; flex-wrap:wrap;">
                <button style="padding:4px 8px; background:#6366f1; color:white; border:none; border-radius:3px; cursor:pointer; font-size:11px;" onclick="openLogBantuan(${d.id}, '${d.nama.replace(/'/g, "\\'")}');">📋 Log Bantuan</button>
                <button style="padding:4px 8px; background:#007bff; color:white; border:none; border-radius:3px; cursor:pointer;" onclick="openEditMiskinModal(${d.id})">Edit</button>
                <button style="padding:4px 8px; background:#dc3545; color:white; border:none; border-radius:3px; cursor:pointer;" onclick="deleteMiskin(${d.id})">Hapus</button>
            </div>
        </div>
    `;
    marker.bindPopup(popupContent);

    marker.on('dragend', function(e) {
        const newPos = marker.getLatLng();
        item.lat = newPos.lat;
        item.lng = newPos.lng;
        updateSemuaWarnaMiskin(); // Update warna segera
        // Simpan ke DB
        fetch('api/penduduk_miskin/update.php', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify(item)
        });
    });

    miskinMarkerList.push(marker);
    pendudukMiskinLayer.addLayer(marker);
}

window.formAddMiskin = function(lat, lng) {
    map.closePopup();
    const bodyHTML = `
        <div class="form-group">
            <label>Lat: ${lat.toFixed(6)}, Lng: ${lng.toFixed(6)}</label>
        </div>
        <div class="form-group">
            <label>Nama Penduduk</label>
            <input type="text" id="miskinNama" placeholder="Nama Lengkap">
        </div>
        <div class="form-group">
            <label>Kategori Bantuan</label>
            <select id="miskinKategori">
                <option value="Makan">Bantuan Makan</option>
                <option value="Pemberdayaan">Pemberdayaan</option>
            </select>
        </div>
        <div class="form-group">
            <label>Jumlah Jiwa</label>
            <input type="number" id="miskinJiwa" value="1" min="1">
        </div>
    `;
    openModal("Tambah Penduduk Miskin", bodyHTML, function() {
        window.saveNewMiskin(lat, lng);
    });
};

window.saveNewMiskin = function(lat, lng) {
    const nama             = document.getElementById('miskinNama').value;
    const kategori_bantuan = document.getElementById('miskinKategori').value;
    const jumlah_jiwa      = document.getElementById('miskinJiwa').value;

    if (!nama) { alert('Nama harus diisi!'); return; }

    fetch('api/penduduk_miskin/create.php', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ nama, kategori_bantuan, jumlah_jiwa, lat, lng })
    })
    .then(res => res.json())
    .then(data => {
        if(data.status === 'success') {
            closeModal();
            loadPendudukMiskin();
        } else { alert(data.message); }
    });
};

window.openEditMiskinModal = function(id) {
    let d = null;
    pendudukMiskinLayer.eachLayer(function(layer) {
        if (layer.miskinData && layer.miskinData.id == id) d = layer.miskinData;
    });
    if (!d) return;

    const bodyHTML = `
        <div class="form-group">
            <label>Nama Penduduk</label>
            <input type="text" id="editMiskinNama" value="${d.nama}">
        </div>
        <div class="form-group">
            <label>Kategori Bantuan</label>
            <select id="editMiskinKategori">
                <option value="Makan" ${d.kategori_bantuan === 'Makan' ? 'selected' : ''}>Bantuan Makan</option>
                <option value="Pemberdayaan" ${d.kategori_bantuan === 'Pemberdayaan' ? 'selected' : ''}>Pemberdayaan</option>
            </select>
        </div>
        <div class="form-group">
            <label>Jumlah Jiwa</label>
            <input type="number" id="editMiskinJiwa" value="${d.jumlah_jiwa || 1}" min="1">
        </div>
    `;
    map.closePopup();
    openModal("Edit Penduduk Miskin", bodyHTML, function() {
        window.saveEditMiskin(d.id, d.lat, d.lng, 'editMiskinNama', 'editMiskinKategori', 'editMiskinJiwa');
    });
};

window.saveEditMiskin = function(id, lat, lng, namaId, kategoriId, jiwaId) {
    const nama             = document.getElementById(namaId).value;
    const kategori_bantuan = document.getElementById(kategoriId).value;
    const jumlah_jiwa      = jiwaId ? document.getElementById(jiwaId).value : 1;
    fetch('api/penduduk_miskin/update.php', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ id, nama, kategori_bantuan, jumlah_jiwa, lat, lng })
    }).then(res => res.json()).then(data => {
        if(data.status === 'success') { closeModal(); loadPendudukMiskin(); }
    });
};

window.deleteMiskin = function(id) {
    openConfirmModal("Yakin hapus penduduk miskin ini?", function() {
        fetch('api/penduduk_miskin/delete.php', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({ id })
        }).then(res => res.json()).then(data => {
            if(data.status === 'success') { map.closePopup(); loadPendudukMiskin(); }
        });
    });
};

// Logika dinamis warna: Merah jika di dalam salah satu radius Rumah Ibadah, Hijau jika di luar
function updateSemuaWarnaMiskin() {
    miskinMarkerList.forEach(marker => {
        let inRadius = false;
        const pLatlng = L.latLng(marker.miskinData.lat, marker.miskinData.lng);
        
        for (let i = 0; i < ibadahDataList.length; i++) {
            const ibadah = ibadahDataList[i];
            const iLatlng = L.latLng(ibadah.lat, ibadah.lng);
            const dist = pLatlng.distanceTo(iLatlng); // meter
            
            if (dist <= ibadah.radius) {
                inRadius = true;
                break; // Jika sudah masuk satu radius, langsung merah
            }
        }
        
        if (inRadius) {
            marker.setIcon(makeMiskinIcon(true));
        } else {
            marker.setIcon(makeMiskinIcon(false));
        }
    });
}

// Initial Load
loadRumahIbadah();
loadPendudukMiskin();