{{define "title"}}Vendor mappings - PriceForge{{end}}

{{define "content"}}
<div class="space-y-4">
    <h1 class="text-2xl font-bold">Глобальные сопоставления Vendor Partnumbers</h1>

    <div class="bg-white rounded-lg shadow p-4 space-y-4">
        <div class="flex gap-3 items-center">
            <input id="vm-search" type="text" placeholder="Поиск по vendor / partnumber / LOT / описанию" class="flex-1 px-3 py-2 border rounded">
            <label class="inline-flex items-center gap-2 text-sm text-gray-700">
                <input id="vm-unmapped" type="checkbox" class="rounded border-gray-300">
                <span>Партномера без сопоставления</span>
            </label>
            <label class="inline-flex items-center gap-2 text-sm text-gray-700">
                <input id="vm-ignored" type="checkbox" class="rounded border-gray-300">
                <span>Игнорируемые</span>
            </label>
            <button onclick="openVendorMappingModal()" class="px-3 py-2 bg-orange-600 text-white rounded hover:bg-orange-700">Создать</button>
            <button onclick="loadVendorMappings(1)" class="px-3 py-2 border rounded hover:bg-gray-50">Обновить</button>
        </div>

        <div class="overflow-x-auto">
            <table class="min-w-full divide-y divide-gray-200">
                <thead class="bg-gray-50">
                    <tr>
                        <th class="px-4 py-2 text-left text-xs font-medium text-gray-500 uppercase">Vendor</th>
                        <th class="px-4 py-2 text-left text-xs font-medium text-gray-500 uppercase">Partnumber</th>
                        <th class="px-4 py-2 text-left text-xs font-medium text-gray-500 uppercase">LOT</th>
                        <th class="px-4 py-2 text-left text-xs font-medium text-gray-500 uppercase">Type</th>
                        <th class="px-4 py-2 text-left text-xs font-medium text-gray-500 uppercase">Status</th>
                        <th class="px-4 py-2 text-left text-xs font-medium text-gray-500 uppercase">Ignored</th>
                        <th class="px-4 py-2 text-left text-xs font-medium text-gray-500 uppercase">Sources</th>
                    </tr>
                </thead>
                <tbody id="vm-body" class="bg-white divide-y divide-gray-200">
                    <tr><td colspan="7" class="px-4 py-3 text-sm text-gray-500">Загрузка...</td></tr>
                </tbody>
            </table>
        </div>

        <div id="vm-pagination" class="flex justify-center gap-2"></div>
    </div>
</div>

<div id="vm-modal" class="fixed inset-0 bg-black bg-opacity-50 hidden items-center justify-center z-50">
    <div class="bg-white rounded-lg p-6 max-w-3xl w-full mx-4 space-y-4">
        <div class="flex justify-between items-center">
            <h2 class="text-xl font-bold">Сопоставление</h2>
            <button onclick="closeVendorMappingModal()" class="text-gray-400 hover:text-gray-600 text-xl">&times;</button>
        </div>

        <div class="grid grid-cols-2 gap-3">
            <div>
                <label class="block text-sm text-gray-600 mb-1">Vendor</label>
                <input id="vm-modal-vendor" type="text" class="w-full px-3 py-2 border rounded">
            </div>
            <div>
                <label class="block text-sm text-gray-600 mb-1">Partnumber</label>
                <input id="vm-modal-partnumber" type="text" class="w-full px-3 py-2 border rounded font-mono">
            </div>
        </div>
        <div class="grid grid-cols-2 gap-3">
            <div>
                <label class="block text-sm text-gray-600 mb-1">LOT</label>
                <input id="vm-modal-lot" type="text" list="vm-lot-options" autocomplete="off" class="w-full px-3 py-2 border rounded font-mono">
                <datalist id="vm-lot-options"></datalist>
            </div>
        </div>
        <div>
            <label class="block text-sm text-gray-600 mb-1">Описание</label>
            <textarea id="vm-modal-description" rows="4" class="w-full px-3 py-2 border rounded resize-y"></textarea>
        </div>

        <div id="vm-bundle-box" class="hidden border rounded p-3 bg-gray-50">
            <h3 class="text-sm font-semibold mb-2">Состав bundle (LOT + qty)</h3>
            <table class="w-full text-sm">
                <thead>
                    <tr>
                        <th class="text-left py-1">LOT</th>
                        <th class="text-right py-1">Qty</th>
                    </tr>
                </thead>
                <tbody id="vm-bundle-items"></tbody>
            </table>
        </div>

        <div id="vm-modal-error" class="hidden p-2 rounded bg-red-50 text-red-700 text-sm"></div>

        <div class="flex justify-between">
            <div class="space-x-2">
                <button id="vm-btn-ignore-toggle" onclick="toggleIgnoreVendorMapping()" class="px-3 py-2 border rounded hover:bg-gray-50">Игнорировать</button>
                <button id="vm-btn-delete" onclick="deleteVendorMapping()" class="px-3 py-2 border border-red-300 text-red-700 rounded hover:bg-red-50">Удалить</button>
            </div>
            <div class="space-x-2">
                <button onclick="closeVendorMappingModal()" class="px-3 py-2 border rounded hover:bg-gray-50">Отмена</button>
                <button onclick="saveVendorMapping()" class="px-3 py-2 bg-orange-600 text-white rounded hover:bg-orange-700">Сохранить</button>
            </div>
        </div>
    </div>
</div>

<script>
let vmPage = 1;
let vmSearchTimer = null;
let vmCurrent = { vendor: '', partnumber: '', ignored: false };
let vmLotSearchTimer = null;

function escapeHtml(text) {
    const div = document.createElement('div');
    div.textContent = text || '';
    return div.innerHTML;
}

function buildCompactPagination(current, total, onClickFn) {
    if (total <= 1) return '';
    const parts = [];
    const addBtn = (label, page, active = false, disabled = false) => {
        const cls = active
            ? 'bg-orange-600 text-white border-orange-600'
            : 'bg-white border-gray-300 hover:bg-gray-50';
        const dis = disabled ? 'opacity-50 cursor-not-allowed' : '';
        if (disabled) {
            parts.push(`<span class="px-3 py-1 rounded border ${cls} ${dis}">${label}</span>`);
            return;
        }
        parts.push(`<button onclick="${onClickFn}(${page})" class="px-3 py-1 rounded border ${cls} ${dis}">${label}</button>`);
    };
    const addEllipsis = () => parts.push('<span class="px-2 py-1 text-gray-500">…</span>');

    addBtn('←', Math.max(1, current - 1), false, current <= 1);

    const windowSize = 2;
    const start = Math.max(1, current - windowSize);
    const end = Math.min(total, current + windowSize);

    if (start > 1) {
        addBtn('1', 1, current === 1);
    }
    if (start > 2) addEllipsis();

    for (let i = start; i <= end; i++) {
        addBtn(String(i), i, i === current);
    }

    if (end < total - 1) addEllipsis();
    if (end < total) {
        addBtn(String(total), total, current === total);
    }

    addBtn('→', Math.min(total, current + 1), false, current >= total);
    return parts.join('');
}

function renderVmError(msg) {
    const box = document.getElementById('vm-modal-error');
    if (!msg) {
        box.classList.add('hidden');
        box.textContent = '';
        return;
    }
    box.classList.remove('hidden');
    box.textContent = msg;
}

function renderIgnoreToggleState() {
    const btn = document.getElementById('vm-btn-ignore-toggle');
    if (!btn) return;
    if (vmCurrent.ignored) {
        btn.textContent = 'Убрать игнор';
        btn.className = 'px-3 py-2 border border-amber-300 text-amber-800 rounded hover:bg-amber-50';
    } else {
        btn.textContent = 'Игнорировать';
        btn.className = 'px-3 py-2 border rounded hover:bg-gray-50';
    }
}

async function loadLotAutocompleteOptions(query) {
    const q = (query || '').trim();
    const dl = document.getElementById('vm-lot-options');
    if (!dl) return;
    if (q.length < 3) {
        dl.innerHTML = '';
        return;
    }
    try {
        const resp = await fetch(`/api/admin/pricing/lots?per_page=30&search=${encodeURIComponent(q)}`);
        const data = await resp.json();
        if (!resp.ok) return;
        const items = Array.isArray(data.items) ? data.items : []; // API returns []string
        dl.innerHTML = items
            .filter(x => typeof x === 'string' && x.trim() !== '')
            .map(x => `<option value="${escapeHtml(x)}"></option>`)
            .join('');
    } catch (_) {
        // ignore autocomplete load errors
    }
}

async function loadVendorMappings(page = 1) {
    vmPage = page;
    const body = document.getElementById('vm-body');
    const pagination = document.getElementById('vm-pagination');
    body.innerHTML = '<tr><td colspan="7" class="px-4 py-3 text-sm text-gray-500">Загрузка...</td></tr>';
    const search = encodeURIComponent(document.getElementById('vm-search').value.trim());
    const unmapped = document.getElementById('vm-unmapped').checked;
    const ignored = document.getElementById('vm-ignored').checked;
    try {
        const resp = await fetch(`/api/admin/pricing/vendor-mappings?page=${page}&per_page=20&search=${search}&unmapped_only=${unmapped}&ignored_only=${ignored}`);
        const data = await resp.json();
        if (!resp.ok) throw new Error(data.error || 'Ошибка загрузки');

        const items = data.items || [];
        if (items.length === 0) {
            body.innerHTML = '<tr><td colspan="7" class="px-4 py-3 text-sm text-gray-500">Нет данных</td></tr>';
        } else {
            body.innerHTML = items.map(item => {
                const status = item.unmapped ? 'UNMAPPED' : 'MAPPED';
                const ignoredTxt = item.ignored ? 'YES' : 'NO';
                const sources = (item.sources || []).join(', ');
                return `<tr class="hover:bg-gray-50 cursor-pointer" onclick="openVendorMappingModal('${encodeURIComponent(item.vendor || '')}','${encodeURIComponent(item.partnumber || '')}')">
                    <td class="px-4 py-2 text-sm">${escapeHtml(item.vendor || '—')}</td>
                    <td class="px-4 py-2 text-sm font-mono">${escapeHtml(item.partnumber || '')}</td>
                    <td class="px-4 py-2 text-sm font-mono">${escapeHtml(item.lot_name || '—')}</td>
                    <td class="px-4 py-2 text-sm">${escapeHtml(item.type || 'single')}</td>
                    <td class="px-4 py-2 text-sm">${status}</td>
                    <td class="px-4 py-2 text-sm">${ignoredTxt}</td>
                    <td class="px-4 py-2 text-sm">${escapeHtml(sources)}</td>
                </tr>`;
            }).join('');
        }

        const total = Number(data.total || 0);
        const totalPages = Math.max(1, Math.ceil(total / 20));
        pagination.innerHTML = buildCompactPagination(vmPage, totalPages, 'loadVendorMappings');
    } catch (e) {
        body.innerHTML = `<tr><td colspan="7" class="px-4 py-3 text-sm text-red-600">${escapeHtml(e.message)}</td></tr>`;
        pagination.innerHTML = '';
    }
}

async function openVendorMappingModal(vendor = '', partnumber = '') {
    renderVmError('');
    vmCurrent = { vendor: decodeURIComponent(vendor || ''), partnumber: decodeURIComponent(partnumber || ''), ignored: false };
    document.getElementById('vm-modal-vendor').value = vmCurrent.vendor;
    document.getElementById('vm-modal-partnumber').value = vmCurrent.partnumber;
    document.getElementById('vm-modal-lot').value = '';
    document.getElementById('vm-modal-description').value = '';
    document.getElementById('vm-bundle-box').classList.add('hidden');
    document.getElementById('vm-bundle-items').innerHTML = '';

    if (vmCurrent.partnumber) {
        try {
            const q = `vendor=${encodeURIComponent(vmCurrent.vendor)}&partnumber=${encodeURIComponent(vmCurrent.partnumber)}`;
            const resp = await fetch(`/api/admin/pricing/vendor-mappings/detail?${q}`);
            const data = await resp.json();
            if (!resp.ok) throw new Error(data.error || 'Ошибка загрузки');
            document.getElementById('vm-modal-lot').value = data.lot_name || '';
            document.getElementById('vm-modal-description').value = data.description || '';
            vmCurrent.ignored = !!data.ignored;
            renderIgnoreToggleState();
            if ((data.type || '') === 'bundle' && Array.isArray(data.items) && data.items.length > 0) {
                document.getElementById('vm-bundle-box').classList.remove('hidden');
                document.getElementById('vm-bundle-items').innerHTML = data.items.map(it => (
                    `<tr><td class="py-1 font-mono">${escapeHtml(it.lot_name || '')}</td><td class="py-1 text-right">${Number(it.qty || 0).toLocaleString('ru-RU')}</td></tr>`
                )).join('');
            }
        } catch (e) {
            renderVmError(e.message || 'Ошибка загрузки');
        }
    }
    renderIgnoreToggleState();

    document.getElementById('vm-modal').classList.remove('hidden');
    document.getElementById('vm-modal').classList.add('flex');
}

function closeVendorMappingModal() {
    document.getElementById('vm-modal').classList.add('hidden');
    document.getElementById('vm-modal').classList.remove('flex');
}

async function saveVendorMapping() {
    renderVmError('');
    const payload = {
        vendor: document.getElementById('vm-modal-vendor').value.trim(),
        partnumber: document.getElementById('vm-modal-partnumber').value.trim(),
        lot_name: document.getElementById('vm-modal-lot').value.trim(),
        description: document.getElementById('vm-modal-description').value.trim(),
    };
    try {
        const resp = await fetch('/api/admin/pricing/vendor-mappings', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify(payload),
        });
        const data = await resp.json();
        if (!resp.ok) throw new Error(data.error || 'Ошибка сохранения');
        closeVendorMappingModal();
        await loadVendorMappings(vmPage);
    } catch (e) {
        renderVmError(e.message || 'Ошибка сохранения');
    }
}

async function ignoreVendorMapping(ignore) {
    renderVmError('');
    const payload = {
        vendor: document.getElementById('vm-modal-vendor').value.trim(),
        partnumber: document.getElementById('vm-modal-partnumber').value.trim(),
    };
    try {
        const resp = await fetch(ignore ? '/api/admin/pricing/vendor-mappings/ignore' : '/api/admin/pricing/vendor-mappings/unignore', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify(payload),
        });
        const data = await resp.json();
        if (!resp.ok) throw new Error(data.error || 'Ошибка обновления ignore');
        vmCurrent.ignored = ignore;
        renderIgnoreToggleState();
        await loadVendorMappings(vmPage);
    } catch (e) {
        renderVmError(e.message || 'Ошибка обновления ignore');
    }
}

async function toggleIgnoreVendorMapping() {
    await ignoreVendorMapping(!vmCurrent.ignored);
}

async function deleteVendorMapping() {
    const partnumber = document.getElementById('vm-modal-partnumber').value.trim();
    if (!partnumber) return;
    if (!confirm('Удалить сопоставление?')) return;
    renderVmError('');
    const payload = {
        vendor: document.getElementById('vm-modal-vendor').value.trim(),
        partnumber,
    };
    try {
        const resp = await fetch('/api/admin/pricing/vendor-mappings', {
            method: 'DELETE',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify(payload),
        });
        const data = await resp.json();
        if (!resp.ok) throw new Error(data.error || 'Ошибка удаления');
        closeVendorMappingModal();
        await loadVendorMappings(vmPage);
    } catch (e) {
        renderVmError(e.message || 'Ошибка удаления');
    }
}

document.addEventListener('DOMContentLoaded', () => {
    document.getElementById('vm-search').addEventListener('input', () => {
        clearTimeout(vmSearchTimer);
        vmSearchTimer = setTimeout(() => loadVendorMappings(1), 250);
    });
    document.getElementById('vm-unmapped').addEventListener('change', () => loadVendorMappings(1));
    document.getElementById('vm-ignored').addEventListener('change', () => loadVendorMappings(1));
    const lotInput = document.getElementById('vm-modal-lot');
    if (lotInput) {
        lotInput.addEventListener('input', () => {
            clearTimeout(vmLotSearchTimer);
            vmLotSearchTimer = setTimeout(() => loadLotAutocompleteOptions(lotInput.value), 220);
        });
        lotInput.addEventListener('focus', () => {
            if ((lotInput.value || '').trim().length >= 3) {
                loadLotAutocompleteOptions(lotInput.value);
            }
        });
    }
    loadVendorMappings(1);
});
</script>
{{end}}

{{template "base" .}}