define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefined, Backend, Table, Form) {

    var Controller = {
        index: function () {
            // 初始化表格参数
            Table.api.init({
                extend: {
                    index_url: 'lottery/userchance/index' + location.search,
                    add_url: 'lottery/userchance/add',
                    edit_url: 'lottery/userchance/edit',
                    del_url: 'lottery/userchance/del',
                    multi_url: 'lottery/userchance/multi',
                    table: 'shop_lottery_user_chance',
                }
            });

            var table = $("#table");

            // 初始化表格
            table.bootstrapTable({
                url: $.fn.bootstrapTable.defaults.extend.index_url,
                pk: 'id',
                sortName: 'id',
                sortOrder: 'desc',
                columns: [
                    [
                        {checkbox: true},
                        {field: 'id', title: __('Id'), operate: false},
                        {field: 'activity.name', title: __('活动名称'), operate: 'LIKE'},
                        {field: 'user.nickname', title: __('用户昵称'), operate: 'LIKE'},
                        {field: 'user.mobile', title: __('用户手机'), operate: 'LIKE'},
                        {field: 'chance_count', title: __('抽奖次数'), operate: 'BETWEEN'},
                        {field: 'used_count', title: __('已使用'), operate: 'BETWEEN'},
                        {field: 'remain_count', title: __('剩余次数'), operate: false, formatter: function(value, row, index) {
                            var remain = row.chance_count - row.used_count;
                            var color = remain > 0 ? 'success' : 'default';
                            return '<span class="label label-' + color + '">' + remain + '</span>';
                        }},
                        {field: 'source_type', title: __('来源类型'), searchList: {"1":"购买商品","2":"订单消费","3":"充值","4":"累计消费","5":"管理员发放","6":"签到奖励","7":"邀请奖励","8":"活动奖励"}, formatter: Table.api.formatter.normal},
                        {field: 'source_value', title: __('来源描述'), operate: 'LIKE'},
                        {field: 'expire_time', title: __('过期时间'), operate:'RANGE', addclass:'datetimerange', autocomplete:false, formatter: function(value, row, index) {
                            if (!value || value == 0) {
                                return '<span class="text-success">永不过期</span>';
                            }
                            var now = Math.floor(Date.now() / 1000);
                            var color = value > now ? 'info' : 'danger';
                            return '<span class="text-' + color + '">' + Table.api.formatter.datetime(value) + '</span>';
                        }},
                        {field: 'status', title: __('状态'), searchList: {"0":"已失效","1":"有效"}, formatter: Table.api.formatter.status},
                        {field: 'createtime', title: __('Create time'), operate:'RANGE', addclass:'datetimerange', autocomplete:false, formatter: Table.api.formatter.datetime},
                        {field: 'operate', title: __('Operate'), table: table, events: Table.api.events.operate, formatter: Table.api.formatter.operate}
                    ]
                ]
            });

            // 为表格绑定事件
            Table.api.bindevent(table);
            
            // 批量发放按钮
            $(document).on('click', '.btn-batchgrant', function(){
                Fast.api.open('lottery/userchance/batchgrant', '批量发放抽奖机会', {
                    area: ['800px', '600px'],
                    callback: function(data) {
                        table.bootstrapTable('refresh');
                    }
                });
            });
            
            // 统计按钮
            $(document).on('click', '.btn-statistics', function(){
                Fast.api.open('lottery/userchance/statistics', '抽奖机会统计', {
                    area: ['1000px', '700px']
                });
            });
            
            // 清理过期机会按钮
            $(document).on('click', '.btn-clearexpired', function(){
                Layer.confirm('确定要清理所有过期的抽奖机会吗？', {icon: 3, title: '提示'}, function(index){
                    Fast.api.ajax({
                        url: 'lottery/userchance/clearExpired',
                        type: 'post'
                    }, function(data, ret) {
                        Layer.close(index);
                        Layer.msg(ret.msg);
                        table.bootstrapTable('refresh');
                    });
                });
            });
        },
        add: function () {
            Controller.api.bindevent();
        },
        edit: function () {
            Controller.api.bindevent();
        },
        batchGrant: function () {
            Controller.api.bindevent();
        },
        statistics: function () {
            Controller.api.bindevent();
            
            // 加载统计数据
            Controller.api.loadStatistics();
            
            // 活动切换时重新加载统计
            $(document).on('change', '#activity_id', function(){
                Controller.api.loadStatistics();
            });
        },
        api: {
            bindevent: function () {
                Form.api.bindevent($("form[role=form]"));
                
                // 来源类型变化时的处理
                $(document).on('change', 'input[name="row[source_type]"]', function(){
                    var source_type = $(this).val();
                    $('.source-desc').text('');
                    
                    switch(source_type) {
                        case '1':
                            $('.source-desc').text('用户购买商品后获得');
                            break;
                        case '2':
                            $('.source-desc').text('用户订单消费达到条件后获得');
                            break;
                        case '3':
                            $('.source-desc').text('用户充值达到条件后获得');
                            break;
                        case '4':
                            $('.source-desc').text('用户累计消费达到条件后获得');
                            break;
                        case '5':
                            $('.source-desc').text('管理员手动发放');
                            break;
                        case '6':
                            $('.source-desc').text('用户签到奖励获得');
                            break;
                        case '7':
                            $('.source-desc').text('用户邀请奖励获得');
                            break;
                        case '8':
                            $('.source-desc').text('其他活动奖励获得');
                            break;
                    }
                });
                
                // 过期时间控制
                $(document).on('change', 'input[name="expire_enable"]', function(){
                    var expire_enable = $(this).val();
                    $('.expire-time-group').toggle(expire_enable == '1');
                });
                
                // 用户选择器
                $(document).on('click', '.btn-choose-users', function(){
                    Fast.api.open('user/user/select', '选择用户', {
                        area: ['80%', '80%'],
                        callback: function(data) {
                            if (data && data.length > 0) {
                                var userIds = [];
                                var userNames = [];
                                $.each(data, function(i, user) {
                                    userIds.push(user.id);
                                    userNames.push(user.nickname);
                                });
                                $('#user_ids').val(userIds.join(','));
                                $('#user_names').val(userNames.join(','));
                            }
                        }
                    });
                });
            },
            
            loadStatistics: function() {
                var activity_id = $('#activity_id').val();
                Fast.api.ajax({
                    url: 'lottery/userchance/statistics',
                    type: 'get',
                    data: {activity_id: activity_id}
                }, function(data, ret) {
                    if (ret.code == 1 && ret.data) {
                        $('#total_users').text(ret.data.total_users);
                        $('#total_chances').text(ret.data.total_chances);
                        $('#used_chances').text(ret.data.used_chances);
                        $('#remain_chances').text(ret.data.remain_chances);
                        
                        // 更新来源统计表格
                        var tbody = $('#source_stats tbody');
                        tbody.empty();
                        
                        if (ret.data.source_stats && ret.data.source_stats.length > 0) {
                            $.each(ret.data.source_stats, function(i, item) {
                                var sourceTypes = {"1":"购买商品","2":"订单消费","3":"充值","4":"累计消费","5":"管理员发放","6":"签到奖励","7":"邀请奖励","8":"活动奖励"};
                                var sourceText = sourceTypes[item.source_type] || '未知';
                                var remainChance = item.total_chance - item.used_chance;
                                
                                var row = '<tr>' +
                                    '<td>' + sourceText + '</td>' +
                                    '<td>' + item.count + '</td>' +
                                    '<td>' + item.total_chance + '</td>' +
                                    '<td>' + item.used_chance + '</td>' +
                                    '<td>' + remainChance + '</td>' +
                                    '</tr>';
                                tbody.append(row);
                            });
                        } else {
                            tbody.append('<tr><td colspan="5" class="text-center text-muted">暂无数据</td></tr>');
                        }
                    }
                });
            }
        }
    };
    return Controller;
});