/**
 * 班级操行分管理系统 - 作业管理页JS
 * 
 * 开发者: Canglan
 * 版权归属: Sea Network Technology Studio
 * 
 * 版权所有 © Sea Network Technology Studio
 */

(function() {
'use strict';

const hwRole = window.PAGE_CONFIG.role;

// 初始化扣分配置
const hwMaxPoints = hwRole === '班主任' ? 100 : 5;
const hwNotSubmit = window.DEDUCTION_HOMEWORK_NOT_SUBMIT || 2;
const hwLate = window.DEDUCTION_HOMEWORK_LATE || 1;

// 更新页面中的配置值显示
document.querySelectorAll('.hw-not-submit').forEach(el => el.textContent = hwNotSubmit);
document.querySelectorAll('.hw-late').forEach(el => el.textContent = hwLate);
document.querySelectorAll('.hw-max').forEach(el => el.textContent = hwMaxPoints);

// 更新输入框的 min/max
document.getElementById('pointsChange').setAttribute('min', -hwMaxPoints);
document.getElementById('pointsChange').setAttribute('max', hwMaxPoints);

// 加载科目列表（学习委员）
async function loadSubjectsForHomework() {
    if (hwRole !== '学习委员') return;
    const subjectSelect = document.getElementById('hwSubjectSelect');
    if (!subjectSelect) return;
    const res = await apiGet('/api/subject/list');
    if (res && res.success && res.data && res.data.subjects) {
        let html = '<option value="">不选择科目</option>';
        res.data.subjects.forEach(s => {
            html += `<option value="${escapeHtml(s.subject_name)}">${escapeHtml(s.subject_name)}</option>`;
        });
        subjectSelect.innerHTML = html;
    }
}

async function loadStudents() {
    const res = await apiGet('/api/admin/students', {page_size: 1000});
    if (res && res.success) {
        let html = '';
        res.data.students.forEach(student => {
            html += `<tr>
                <td><input type="checkbox" class="student-checkbox" data-id="${student.student_id}"></td>
                <td>${escapeHtml(student.student_no)}</td>
                <td>${escapeHtml(student.name)}</td>
                <td>${student.total_points}</td>
                <td><button class="btn btn-sm btn-primary" onclick="showSinglePointsModal(${student.student_id}, '${escapeHtml(student.name)}')">加减分</button></td>
            </tr>`;
        });
        if (res.data.students.length === 0) {
            html = '<tr><td colspan="5" style="text-align:center;">暂无学生数据</td></tr>';
        }
        document.getElementById('studentList').innerHTML = html;
    }
}

function showSinglePointsModal(studentId, studentName) {
    window.selectedStudentIds = [studentId];
    document.getElementById('selectedStudentsCount').innerHTML = `${studentName} (1人)`;
    document.getElementById('pointsChange').value = '';
    document.getElementById('pointsReason').value = '';
    document.getElementById('batchPointsModal').style.display = 'flex';
}

function selectDeductionType(points, reason) {
    document.getElementById('pointsChange').value = points;
    if (points !== 0) {
        document.getElementById('pointsReason').value = reason;
    } else {
        document.getElementById('pointsReason').value = '';
        document.getElementById('pointsReason').focus();
    }
}

function handleSubmitPoints() {
    const pointsChange = parseInt(document.getElementById('pointsChange').value);
    if (isNaN(pointsChange) || pointsChange === 0) {
        showToast('请输入有效的加减分值', 'warning');
        return;
    }
    if (Math.abs(pointsChange) > hwMaxPoints) {
        showToast(`每次加减分不超过${hwMaxPoints}分`, 'warning');
        return;
    }
    
    // 学习委员附加科目前缀、具体作业和缴交时间
    if (hwRole === '学习委员') {
        const subjectSelect = document.getElementById('hwSubjectSelect');
        const subjectName = subjectSelect ? subjectSelect.value : '';
        const hwTitle = document.getElementById('hwTitle').value.trim();
        const hwDeadline = document.getElementById('hwDeadline').value;
        const reasonEl = document.getElementById('pointsReason');
        
        let prefix = '';
        if (subjectName) {
            prefix = `[${subjectName}]`;
        }
        if (hwTitle) {
            prefix += `[${hwTitle}]`;
        }
        if (hwDeadline) {
            prefix += ` 缴交:${hwDeadline}`;
        }
        if (prefix) {
            reasonEl.value = prefix + ' ' + reasonEl.value;
        }
    }
    
    submitBatchPoints();
}

loadStudents();
loadSubjectsForHomework();

window.loadStudents = loadStudents;
window.showSinglePointsModal = showSinglePointsModal;
window.selectDeductionType = selectDeductionType;
window.handleSubmitPoints = handleSubmitPoints;

})();