/* ===== tkuser 소모품 마스터 CRUD ===== */
let consumablesLoaded = false;
let consumablesList = [];

const CONSUMABLE_CATEGORIES = {
    consumable: '소모품',
    safety: '안전용품',
    repair: '수선비',
    equipment: '설비'
};
const CONSUMABLE_CAT_COLORS = {
    consumable: 'bg-blue-50 text-blue-600',
    safety: 'bg-green-50 text-green-600',
    repair: 'bg-amber-50 text-amber-600',
    equipment: 'bg-purple-50 text-purple-600'
};

async function loadConsumablesTab() {
    if (consumablesLoaded) return;
    consumablesLoaded = true;
    if (currentUser && ['admin', 'system'].includes(currentUser.role)) {
        document.getElementById('btnAddConsumableTkuser')?.classList.remove('hidden');
    }
    await loadConsumablesList();
}

async function loadConsumablesList() {
    try {
        const category = document.getElementById('consumableFilterCategoryTkuser')?.value || '';
        const isActive = document.getElementById('consumableFilterActiveTkuser')?.value;
        const search = document.getElementById('consumableSearchTkuser')?.value?.trim() || '';
        const params = new URLSearchParams();
        if (category) params.set('category', category);
        if (isActive !== '' && isActive !== undefined) params.set('is_active', isActive);
        if (search) params.set('search', search);
        const r = await api('/consumable-items?' + params.toString());
        consumablesList = r.data || [];
        renderConsumablesListTkuser();
    } catch (e) {
        document.getElementById('consumablesListTkuser').innerHTML = `<div class="text-red-500 text-center py-6"><i class="fas fa-exclamation-triangle text-xl"></i><p class="text-sm mt-2">${e.message}</p></div>`;
    }
}

function renderConsumablesListTkuser() {
    const c = document.getElementById('consumablesListTkuser');
    if (!consumablesList.length) {
        c.innerHTML = '<p class="text-gray-400 text-center py-4 text-sm">등록된 소모품이 없습니다.</p>';
        return;
    }
    const isAdmin = currentUser && ['admin', 'system'].includes(currentUser.role);
    c.innerHTML = `<div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-3">` +
        consumablesList.map(item => {
            const catLabel = CONSUMABLE_CATEGORIES[item.category] || item.category;
            const catColor = CONSUMABLE_CAT_COLORS[item.category] || 'bg-gray-50 text-gray-600';
            const price = item.base_price ? Number(item.base_price).toLocaleString() + '원' : '-';
            return `<div class="bg-white border rounded-lg p-3 hover:shadow-md transition-shadow">
                <div class="flex gap-3">
                    ${item.photo_path
                        ? `<img src="${item.photo_path}" class="w-16 h-16 rounded object-cover flex-shrink-0 cursor-pointer" onclick="document.getElementById('photoViewImage').src=this.src; document.getElementById('photoViewModal').classList.remove('hidden');" onerror="this.style.display='none'">`
                        : `<div class="w-16 h-16 rounded bg-gray-100 flex items-center justify-center flex-shrink-0"><i class="fas fa-box text-gray-300 text-xl"></i></div>`}
                    <div class="flex-1 min-w-0">
                        <div class="text-sm font-medium text-gray-800 truncate">${escHtml(item.item_name)}</div>
                        <div class="text-xs text-gray-500 mt-0.5">${escHtml(item.maker) || '-'}</div>
                        <div class="flex items-center gap-2 mt-1">
                            <span class="px-1.5 py-0.5 rounded text-xs ${catColor}">${catLabel}</span>
                            <span class="text-xs text-gray-600 font-medium">${price}</span>
                            <span class="text-xs text-gray-400">${escHtml(item.unit) || 'EA'}</span>
                        </div>
                        ${!item.is_active ? '<span class="px-1.5 py-0.5 rounded text-xs bg-gray-100 text-gray-400 mt-1 inline-block">비활성</span>' : ''}
                    </div>
                </div>
                ${isAdmin ? `<div class="flex justify-end gap-1 mt-2 pt-2 border-t">
                    <button onclick="openEditConsumableTkuser(${item.item_id})" class="px-2 py-1 text-slate-500 hover:text-slate-700 hover:bg-slate-100 rounded text-xs"><i class="fas fa-pen mr-1"></i>수정</button>
                    ${item.is_active ? `<button onclick="deactivateConsumableTkuser(${item.item_id}, '${escHtml(item.item_name).replace(/'/g, "\\'")}')" class="px-2 py-1 text-red-400 hover:text-red-600 hover:bg-red-50 rounded text-xs"><i class="fas fa-ban mr-1"></i>비활성화</button>` : ''}
                </div>` : ''}
            </div>`;
        }).join('') + `</div>`;
}

/* ===== 소모품 등록 ===== */
function openAddConsumableTkuser() {
    document.getElementById('addConsumablePhotoPreviewTkuser').innerHTML = '';
    document.getElementById('addConsumableModalTkuser').classList.remove('hidden');
}
function closeAddConsumableTkuser() { document.getElementById('addConsumableModalTkuser').classList.add('hidden'); document.getElementById('addConsumableFormTkuser').reset(); document.getElementById('addConsumablePhotoPreviewTkuser').innerHTML = ''; }

function previewAddConsumablePhoto() {
    const file = document.getElementById('newConsumablePhotoTkuser').files[0];
    const preview = document.getElementById('addConsumablePhotoPreviewTkuser');
    if (!file) { preview.innerHTML = ''; return; }
    const reader = new FileReader();
    reader.onload = e => { preview.innerHTML = `<img src="${e.target.result}" class="w-20 h-20 rounded object-cover">`; };
    reader.readAsDataURL(file);
}

async function submitAddConsumableTkuser(e) {
    e.preventDefault();
    const itemName = document.getElementById('newConsumableNameTkuser').value.trim();
    const category = document.getElementById('newConsumableCategoryTkuser').value;
    if (!itemName) { showToast('품명은 필수입니다', 'error'); return; }
    if (!category) { showToast('분류는 필수입니다', 'error'); return; }

    const fd = new FormData();
    fd.append('item_name', itemName);
    fd.append('maker', document.getElementById('newConsumableMakerTkuser').value.trim());
    fd.append('category', category);
    fd.append('base_price', document.getElementById('newConsumablePriceTkuser').value || '0');
    fd.append('unit', document.getElementById('newConsumableUnitTkuser').value.trim() || 'EA');
    const photoFile = document.getElementById('newConsumablePhotoTkuser').files[0];
    if (photoFile) fd.append('photo', photoFile);

    try {
        const token = getToken();
        const res = await fetch('/api/consumable-items', {
            method: 'POST',
            headers: { 'Authorization': `Bearer ${token}` },
            body: fd
        });
        const data = await res.json();
        if (!res.ok) throw new Error(data.error || '등록 실패');
        showToast('소모품이 등록되었습니다');
        closeAddConsumableTkuser();
        await loadConsumablesList();
    } catch (e) { showToast(e.message, 'error'); }
}

/* ===== 소모품 수정 ===== */
function openEditConsumableTkuser(id) {
    const item = consumablesList.find(x => x.item_id === id);
    if (!item) return;
    document.getElementById('editConsumableIdTkuser').value = item.item_id;
    document.getElementById('editConsumableNameTkuser').value = item.item_name;
    document.getElementById('editConsumableMakerTkuser').value = item.maker || '';
    document.getElementById('editConsumableCategoryTkuser').value = item.category;
    document.getElementById('editConsumablePriceTkuser').value = item.base_price || '';
    document.getElementById('editConsumableUnitTkuser').value = item.unit || 'EA';
    const preview = document.getElementById('editConsumablePhotoPreviewTkuser');
    preview.innerHTML = item.photo_path ? `<img src="${item.photo_path}" class="w-20 h-20 rounded object-cover">` : '';
    document.getElementById('editConsumablePhotoTkuser').value = '';
    document.getElementById('editConsumableModalTkuser').classList.remove('hidden');
}
function closeEditConsumableTkuser() { document.getElementById('editConsumableModalTkuser').classList.add('hidden'); }

function previewEditConsumablePhoto() {
    const file = document.getElementById('editConsumablePhotoTkuser').files[0];
    const preview = document.getElementById('editConsumablePhotoPreviewTkuser');
    if (!file) return;
    const reader = new FileReader();
    reader.onload = e => { preview.innerHTML = `<img src="${e.target.result}" class="w-20 h-20 rounded object-cover">`; };
    reader.readAsDataURL(file);
}

async function submitEditConsumableTkuser(e) {
    e.preventDefault();
    const id = document.getElementById('editConsumableIdTkuser').value;
    const fd = new FormData();
    fd.append('item_name', document.getElementById('editConsumableNameTkuser').value.trim());
    fd.append('maker', document.getElementById('editConsumableMakerTkuser').value.trim());
    fd.append('category', document.getElementById('editConsumableCategoryTkuser').value);
    fd.append('base_price', document.getElementById('editConsumablePriceTkuser').value || '0');
    fd.append('unit', document.getElementById('editConsumableUnitTkuser').value.trim() || 'EA');
    const photoFile = document.getElementById('editConsumablePhotoTkuser').files[0];
    if (photoFile) fd.append('photo', photoFile);

    try {
        const token = getToken();
        const res = await fetch(`/api/consumable-items/${id}`, {
            method: 'PUT',
            headers: { 'Authorization': `Bearer ${token}` },
            body: fd
        });
        const data = await res.json();
        if (!res.ok) throw new Error(data.error || '수정 실패');
        showToast('수정되었습니다');
        closeEditConsumableTkuser();
        await loadConsumablesList();
    } catch (e) { showToast(e.message, 'error'); }
}

/* ===== 소모품 비활성화 ===== */
async function deactivateConsumableTkuser(id, name) {
    if (!confirm(`"${name}" 소모품을 비활성화하시겠습니까?`)) return;
    try {
        await api(`/consumable-items/${id}`, { method: 'DELETE' });
        showToast('비활성화 완료');
        await loadConsumablesList();
    } catch (e) { showToast(e.message, 'error'); }
}

// 검색/필터 이벤트 + 모달 폼 이벤트
document.addEventListener('DOMContentLoaded', () => {
    let searchTimeout;
    const searchEl = document.getElementById('consumableSearchTkuser');
    if (searchEl) searchEl.addEventListener('input', () => {
        clearTimeout(searchTimeout);
        searchTimeout = setTimeout(loadConsumablesList, 300);
    });
    const filterCatEl = document.getElementById('consumableFilterCategoryTkuser');
    if (filterCatEl) filterCatEl.addEventListener('change', loadConsumablesList);
    const filterActiveEl = document.getElementById('consumableFilterActiveTkuser');
    if (filterActiveEl) filterActiveEl.addEventListener('change', loadConsumablesList);

    document.getElementById('addConsumableFormTkuser')?.addEventListener('submit', submitAddConsumableTkuser);
    document.getElementById('editConsumableFormTkuser')?.addEventListener('submit', submitEditConsumableTkuser);
});