/* tkpurchase-partner-portal.js - Partner portal logic */

let portalSchedules = [];
let portalCheckins = {};
let partnerCompanyId = null;

async function loadMySchedules() {
    try {
        const r = await api('/schedules/my');
        portalSchedules = r.data || [];
    } catch(e) {
        console.warn('Load schedules error:', e);
        portalSchedules = [];
    }
}

async function loadMyCheckins() {
    try {
        const r = await api('/checkins/my');
        const list = r.data || [];
        portalCheckins = {};
        list.forEach(c => {
            if (c.schedule_id) portalCheckins[c.schedule_id] = c;
        });
    } catch(e) {
        console.warn('Load checkins error:', e);
        portalCheckins = {};
    }
}

async function renderScheduleCards() {
    await Promise.all([loadMySchedules(), loadMyCheckins()]);

    const container = document.getElementById('scheduleCards');
    const noMsg = document.getElementById('noScheduleMessage');

    if (!portalSchedules.length) {
        container.innerHTML = '';
        noMsg.classList.remove('hidden');
        return;
    }

    noMsg.classList.add('hidden');

    container.innerHTML = portalSchedules.map(s => {
        const checkin = portalCheckins[s.id];
        const isCheckedIn = checkin && !checkin.check_out_time;
        const isCheckedOut = checkin && checkin.check_out_time;
        const hasReport = checkin && checkin.has_work_report;

        // Step indicators
        const step1Class = checkin ? 'text-emerald-600' : 'text-gray-400';
        const step2Class = isCheckedIn || isCheckedOut ? 'text-emerald-600' : 'text-gray-400';
        const step3Class = isCheckedOut ? 'text-emerald-600' : 'text-gray-400';

        return `<div class="bg-white rounded-xl shadow-sm overflow-hidden">
            <!-- 일정 정보 -->
            <div class="p-5 border-b">
                <div class="flex items-center justify-between mb-2">
                    <h3 class="text-base font-semibold text-gray-800">${escapeHtml(s.workplace_name || '작업장 미지정')}</h3>
                    <span class="text-xs text-gray-500">${formatDate(s.start_date) === formatDate(s.end_date) ? formatDate(s.start_date) : formatDate(s.start_date) + ' ~ ' + formatDate(s.end_date)}</span>
                </div>
                ${s.work_description ? `<p class="text-sm text-gray-600 mb-2">${escapeHtml(s.work_description)}</p>` : ''}
                <div class="flex gap-4 text-xs text-gray-500">
                    <span><i class="fas fa-users mr-1"></i>예상 ${s.expected_workers || 0}명</span>
                    ${s.notes ? `<span><i class="fas fa-sticky-note mr-1"></i>${escapeHtml(s.notes)}</span>` : ''}
                </div>
            </div>

            <!-- 3-step 진행 표시 -->
            <div class="px-5 py-3 bg-gray-50 border-b">
                <div class="flex items-center justify-between text-xs">
                    <div class="flex items-center gap-1 ${step1Class}">
                        <i class="fas ${checkin ? 'fa-check-circle' : 'fa-circle'}"></i>
                        <span>1. 작업 시작</span>
                    </div>
                    <div class="flex-1 border-t border-gray-300 mx-2"></div>
                    <div class="flex items-center gap-1 ${step2Class}">
                        <i class="fas ${(isCheckedIn || isCheckedOut) ? 'fa-check-circle' : 'fa-circle'}"></i>
                        <span>2. 업무현황</span>
                    </div>
                    <div class="flex-1 border-t border-gray-300 mx-2"></div>
                    <div class="flex items-center gap-1 ${step3Class}">
                        <i class="fas ${isCheckedOut ? 'fa-check-circle' : 'fa-circle'}"></i>
                        <span>3. 작업 종료</span>
                    </div>
                </div>
            </div>

            <!-- Step 1: 작업 시작 (체크인) -->
            <div class="p-5 ${checkin ? 'bg-gray-50' : ''}">
                ${!checkin ? `
                <div id="checkinForm_${s.id}">
                    <h4 class="text-sm font-semibold text-gray-700 mb-3"><i class="fas fa-play-circle text-emerald-500 mr-1"></i>작업 시작</h4>
                    <div class="grid grid-cols-1 sm:grid-cols-2 gap-3 mb-3">
                        <div>
                            <label class="block text-xs font-medium text-gray-600 mb-1">실투입 인원 <span class="text-red-400">*</span></label>
                            <input type="number" id="checkinWorkers_${s.id}" min="1" value="${s.expected_workers || 1}" class="input-field w-full px-3 py-2 rounded-lg text-sm">
                        </div>
                        <div>
                            <label class="block text-xs font-medium text-gray-600 mb-1">작업자 명단</label>
                            <input type="text" id="checkinNames_${s.id}" class="input-field w-full px-3 py-2 rounded-lg text-sm" placeholder="홍길동, 김철수">
                        </div>
                    </div>
                    <button onclick="doCheckIn(${s.id})" class="px-4 py-2 bg-emerald-600 text-white rounded-lg text-sm hover:bg-emerald-700">
                        <i class="fas fa-play mr-1"></i>작업 시작
                    </button>
                </div>
                ` : `
                <div class="text-sm text-emerald-600 mb-1">
                    <i class="fas fa-check-circle mr-1"></i>체크인 완료 (${formatTime(checkin.check_in_time)})
                    · ${checkin.actual_worker_count || 0}명
                </div>
                `}
            </div>

            <!-- Step 2: 업무현황 입력 (체크인 후 표시) -->
            ${isCheckedIn ? `
            <div class="p-5 border-t">
                <h4 class="text-sm font-semibold text-gray-700 mb-3"><i class="fas fa-clipboard-list text-blue-500 mr-1"></i>업무현황 입력</h4>
                <div class="space-y-3">
                    <div class="grid grid-cols-1 sm:grid-cols-2 gap-3">
                        <div>
                            <label class="block text-xs font-medium text-gray-600 mb-1">실투입 인원</label>
                            <input type="number" id="reportWorkers_${checkin.id}" min="0" value="${checkin.actual_worker_count || 0}" class="input-field w-full px-3 py-2 rounded-lg text-sm">
                        </div>
                        <div>
                            <label class="block text-xs font-medium text-gray-600 mb-1">진행률 (%)</label>
                            <input type="number" id="reportProgress_${checkin.id}" min="0" max="100" value="0" class="input-field w-full px-3 py-2 rounded-lg text-sm">
                        </div>
                    </div>
                    <div>
                        <label class="block text-xs font-medium text-gray-600 mb-1">작업내용 <span class="text-red-400">*</span></label>
                        <textarea id="reportContent_${checkin.id}" rows="3" class="input-field w-full px-3 py-2 rounded-lg text-sm" placeholder="오늘 수행한 작업 내용"></textarea>
                    </div>
                    <div>
                        <label class="block text-xs font-medium text-gray-600 mb-1">이슈사항</label>
                        <textarea id="reportIssues_${checkin.id}" rows="2" class="input-field w-full px-3 py-2 rounded-lg text-sm" placeholder="문제점이나 특이사항"></textarea>
                    </div>
                    <div>
                        <label class="block text-xs font-medium text-gray-600 mb-1">향후 계획</label>
                        <textarea id="reportNextPlan_${checkin.id}" rows="2" class="input-field w-full px-3 py-2 rounded-lg text-sm" placeholder="다음 작업 계획"></textarea>
                    </div>
                    <div class="flex gap-2">
                        <button onclick="submitWorkReport(${checkin.id}, ${s.id})" class="px-4 py-2 bg-blue-600 text-white rounded-lg text-sm hover:bg-blue-700">
                            <i class="fas fa-save mr-1"></i>업무현황 저장
                        </button>
                    </div>
                </div>
            </div>

            <!-- Step 3: 작업 종료 -->
            <div class="p-5 border-t">
                <button onclick="doCheckOut(${checkin.id})" class="w-full px-4 py-3 bg-gray-800 text-white rounded-lg text-sm hover:bg-gray-900 font-medium">
                    <i class="fas fa-stop-circle mr-1"></i>작업 종료 (체크아웃)
                </button>
                <p class="text-xs text-gray-400 text-center mt-2">업무현황을 먼저 저장한 후 작업을 종료하세요.</p>
            </div>
            ` : ''}

            ${isCheckedOut ? `
            <div class="p-5 border-t bg-gray-50">
                <div class="text-sm text-blue-600">
                    <i class="fas fa-check-double mr-1"></i>작업 종료 완료 (${formatTime(checkin.check_out_time)})
                </div>
                ${hasReport ? '<div class="text-xs text-emerald-600 mt-1"><i class="fas fa-clipboard-check mr-1"></i>업무현황 제출 완료</div>' : ''}
            </div>
            ` : ''}
        </div>`;
    }).join('');
}

async function doCheckIn(scheduleId) {
    const workerCount = parseInt(document.getElementById('checkinWorkers_' + scheduleId).value) || 1;
    const workerNames = document.getElementById('checkinNames_' + scheduleId).value.trim();

    const body = {
        schedule_id: scheduleId,
        actual_worker_count: workerCount,
        worker_names: workerNames || null
    };

    try {
        await api('/checkins', { method: 'POST', body: JSON.stringify(body) });
        showToast('체크인 완료');
        renderScheduleCards();
    } catch(e) {
        showToast(e.message || '체크인 실패', 'error');
    }
}

async function submitWorkReport(checkinId, scheduleId) {
    const workContent = document.getElementById('reportContent_' + checkinId).value.trim();
    if (!workContent) { showToast('작업내용을 입력하세요', 'error'); return; }

    const body = {
        checkin_id: checkinId,
        schedule_id: scheduleId,
        actual_workers: parseInt(document.getElementById('reportWorkers_' + checkinId).value) || 0,
        work_content: workContent,
        progress_rate: parseInt(document.getElementById('reportProgress_' + checkinId).value) || 0,
        issues: document.getElementById('reportIssues_' + checkinId).value.trim() || null,
        next_plan: document.getElementById('reportNextPlan_' + checkinId).value.trim() || null
    };

    try {
        await api('/work-reports', { method: 'POST', body: JSON.stringify(body) });
        showToast('업무현황이 저장되었습니다');
        renderScheduleCards();
    } catch(e) {
        showToast(e.message || '저장 실패', 'error');
    }
}

async function doCheckOut(checkinId) {
    if (!confirm('작업을 종료하시겠습니까? 업무현황을 먼저 저장했는지 확인하세요.')) return;
    try {
        await api('/checkins/' + checkinId + '/checkout', { method: 'PUT' });
        showToast('작업 종료 (체크아웃) 완료');
        renderScheduleCards();
    } catch(e) {
        showToast(e.message || '체크아웃 실패', 'error');
    }
}

function initPartnerPortal() {
    if (!initAuth()) return;

    // Check if partner account
    const token = getToken();
    const decoded = decodeToken(token);
    if (!decoded || !decoded.partner_company_id) {
        location.href = '/';
        return;
    }

    partnerCompanyId = decoded.partner_company_id;
    document.getElementById('welcomeCompanyName').textContent = decoded.partner_company_name || decoded.name || '협력업체';

    renderScheduleCards();
}