{% extends "base.html" %}

{% block title %}{{ role.id is defined and role.id is not none and '编辑角色' or '添加角色' }} - 学生课程管理系统{% endblock %}

{% block content %}
<div class="container-fluid py-4">
    <div class="row justify-content-center">
        <div class="col-lg-8">
            <div class="card shadow">
                <div class="card-header bg-primary text-white">
                    <h5 class="mb-0">{{ role.id is defined and role.id is not none and '编辑角色' or '添加角色' }}</h5>
                </div>
                <div class="card-body">
                    <form method="POST">
                        <div class="mb-3">
                            <label class="form-label">角色名称 <span class="text-danger">*</span></label>
                            <input type="text" class="form-control" name="name" value="{{ role.name if role else '' }}" required>
                        </div>

                        <div class="mb-3">
                            <label class="form-label">角色权限</label>
                            <div class="border rounded p-3 bg-light">
                                <!-- 全选/取消 按钮 -->
                                <div class="mb-3 d-flex gap-2">
                                    <button type="button" class="btn btn-sm btn-outline-primary" onclick="checkAll(true)">全选</button>
                                    <button type="button" class="btn btn-sm btn-outline-secondary" onclick="checkAll(false)">取消全选</button>
                                    <button type="button" class="btn btn-sm btn-outline-info" onclick="checkViewAll(true)">仅选查看</button>
                                </div>

                                {% set role_permissions = role.permissions.split(',') if role and role.permissions else [] %}
                                
                                {% for module_key, module_info in PERMISSIONS.items() %}
                                <div class="mb-3 border-bottom pb-2">
                                    <strong class="text-primary">{{ module_info.label }}</strong>
                                    <div class="ms-3 mt-1 d-flex flex-wrap gap-3">
                                        {% for perm_key, perm_label in module_info.permissions.items() %}
                                        <div class="form-check">
                                            <input class="form-check-input perm-checkbox" type="checkbox" 
                                                   name="permissions" value="{{ perm_key }}"
                                                   id="perm_{{ perm_key }}"
                                                   {{ 'checked' if perm_key in role_permissions }}>
                                            <label class="form-check-label" for="perm_{{ perm_key }}">
                                                {{ perm_label }}
                                            </label>
                                        </div>
                                        {% endfor %}
                                    </div>
                                </div>
                                {% endfor %}
                            </div>
                        </div>

                        <div class="mb-3">
                            <label class="form-label">备注</label>
                            <textarea class="form-control" name="remark" rows="2">{{ role.remark if role and role.remark else '' }}</textarea>
                        </div>

                        <div class="d-flex gap-2">
                            <button type="submit" class="btn btn-primary">保存</button>
                            <a href="{{ url_for('role_list') }}" class="btn btn-secondary">取消</a>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>

<script>
function checkAll(checked) {
    document.querySelectorAll('.perm-checkbox').forEach(cb => cb.checked = checked);
}

function checkViewAll(checked) {
    document.querySelectorAll('.perm-checkbox').forEach(cb => {
        if (cb.value.endsWith('_view')) {
            cb.checked = checked;
        }
    });
}
</script>
{% endblock %}