<?php

namespace App\Module\Transfer\AdminControllers;

use App\Module\Transfer\Models\TransferFeeDailyStats;
use App\Module\Transfer\Services\FeeStatisticsService;
use UCore\DcatAdmin\AdminController;
use Dcat\Admin\Grid;
use Dcat\Admin\Show;
use Dcat\Admin\Http\Controllers\AdminController as BaseAdminController;
use Illuminate\Http\Request;
use Carbon\Carbon;
use Dcat\Admin\Layout\Content;
use Dcat\Admin\Widgets\Card;
use Dcat\Admin\Widgets\Table;
use Spatie\RouteAttributes\Attributes\Get;
use Spatie\RouteAttributes\Attributes\Post;

/**
 * 手续费统计后台控制器
 */
class FeeStatisticsController extends AdminController
{
    /**
     * 标题
     */
    protected $title = '手续费统计';

    /**
     * 模型
     */
    protected string $model = TransferFeeDailyStats::class;

    /**
     * 列表页面
     */
    #[Get('transfer/fee-statistics', name: 'admin.transfer.fee-statistics.index')]
    public function index(Content $content)
    {
        return $content
            ->title('手续费统计')
            ->description('查看Transfer模块手续费统计数据')
            ->body($this->grid());
    }

    /**
     * 详情页面
     */
    #[Get('transfer/fee-statistics/{id}', name: 'admin.transfer.fee-statistics.show')]
    public function show($id, Content $content)
    {
        return $content
            ->title('手续费统计详情')
            ->description('查看详细统计信息')
            ->body($this->detail($id));
    }

    /**
     * 统计概览页面
     */
    #[Get('transfer/fee-statistics/overview', name: 'admin.transfer.fee-statistics.overview')]
    public function overview(Content $content)
    {
        return $content
            ->title('手续费统计概览')
            ->description('查看手续费统计概览和趋势')
            ->body($this->overviewCards())
            ->body($this->trendChart());
    }

    /**
     * 手动执行统计
     */
    #[Post('transfer/fee-statistics/run', name: 'admin.transfer.fee-statistics.run')]
    public function runStatistics(Request $request)
    {
        try {
            $date = $request->input('date', Carbon::yesterday()->format('Y-m-d'));
            $rerun = $request->boolean('rerun', false);

            if ($rerun) {
                $result = FeeStatisticsService::restatistics($date);
            } else {
                $result = FeeStatisticsService::runDailyStatistics($date);
            }

            return response()->json([
                'status' => true,
                'message' => '统计执行成功',
                'data' => $result
            ]);

        } catch (\Exception $e) {
            return response()->json([
                'status' => false,
                'message' => '统计执行失败: ' . $e->getMessage()
            ]);
        }
    }

    /**
     * 数据验证
     */
    #[Post('transfer/fee-statistics/validate', name: 'admin.transfer.fee-statistics.validate')]
    public function validateStatistics(Request $request)
    {
        try {
            $date = $request->input('date', Carbon::yesterday()->format('Y-m-d'));
            $result = FeeStatisticsService::validateStatistics($date);

            return response()->json([
                'status' => true,
                'message' => $result['valid'] ? '数据验证通过' : '数据验证失败',
                'data' => $result
            ]);

        } catch (\Exception $e) {
            return response()->json([
                'status' => false,
                'message' => '数据验证失败: ' . $e->getMessage()
            ]);
        }
    }

    /**
     * 创建数据表格
     */
    protected function grid(): Grid
    {
        return Grid::make($this->model::with('transferApp'), function (Grid $grid) {
            $grid->column('id', 'ID')->sortable();
            $grid->column('stat_date', '统计日期')->display(function ($value) {
                return Carbon::parse($value)->format('Y-m-d');
            })->sortable();
            
            $grid->column('transferApp.title', '应用名称');
            $grid->column('total_order_count', '总订单数')->sortable();
            $grid->column('total_amount', '总交易金额')->display(function ($value) {
                return number_format($value, 4);
            })->sortable();
            $grid->column('total_fee_amount', '总手续费')->display(function ($value) {
                return number_format($value, 4);
            })->sortable();
            $grid->column('avg_fee_rate', '平均费率')->display(function ($value) {
                return number_format($value * 100, 2) . '%';
            });
            
            $grid->column('in_order_count', '转入订单数');
            $grid->column('in_fee_amount', '转入手续费')->display(function ($value) {
                return number_format($value, 4);
            });
            
            $grid->column('out_order_count', '转出订单数');
            $grid->column('out_fee_amount', '转出手续费')->display(function ($value) {
                return number_format($value, 4);
            });
            
            $grid->column('last_processed_order_id', '最后处理订单ID');
            $grid->column('created_at', '创建时间')->sortable();

            // 筛选器
            $grid->filter(function (Grid\Filter $filter) {
                $filter->equal('transfer_app_id', '应用')->select(
                    \App\Module\Transfer\Models\TransferApp::pluck('title', 'id')
                );
                $filter->date('stat_date', '统计日期');
                $filter->between('total_fee_amount', '手续费金额');
            });

            // 默认排序
            $grid->model()->orderBy('stat_date', 'desc');
            
            // 禁用创建、编辑、删除按钮
            $grid->disableCreateButton();
            $grid->disableActions();
            
            // 添加工具栏按钮
            $grid->tools(function (Grid\Tools $tools) {
                $tools->append('<a href="' . route('admin.transfer.fee-statistics.overview') . '" class="btn btn-primary">统计概览</a>');
            });
        });
    }

    /**
     * 创建详情显示
     */
    protected function detail($id): Show
    {
        return Show::make($id, $this->model::with('transferApp'), function (Show $show) {
            $show->field('id', 'ID');
            $show->field('stat_date', '统计日期');
            $show->field('transferApp.title', '应用名称');
            $show->field('transferApp.keyname', '应用标识');
            
            $show->divider('订单统计');
            $show->field('total_order_count', '总订单数');
            $show->field('total_amount', '总交易金额')->as(function ($value) {
                return number_format($value, 4);
            });
            $show->field('total_fee_amount', '总手续费')->as(function ($value) {
                return number_format($value, 4);
            });
            $show->field('avg_fee_rate', '平均费率')->as(function ($value) {
                return number_format($value * 100, 2) . '%';
            });
            
            $show->divider('转入统计');
            $show->field('in_order_count', '转入订单数');
            $show->field('in_total_amount', '转入总金额')->as(function ($value) {
                return number_format($value, 4);
            });
            $show->field('in_fee_amount', '转入手续费')->as(function ($value) {
                return number_format($value, 4);
            });
            $show->field('in_avg_fee_rate', '转入平均费率')->as(function ($value) {
                return number_format($value * 100, 2) . '%';
            });
            
            $show->divider('转出统计');
            $show->field('out_order_count', '转出订单数');
            $show->field('out_total_amount', '转出总金额')->as(function ($value) {
                return number_format($value, 4);
            });
            $show->field('out_fee_amount', '转出手续费')->as(function ($value) {
                return number_format($value, 4);
            });
            $show->field('out_avg_fee_rate', '转出平均费率')->as(function ($value) {
                return number_format($value * 100, 2) . '%';
            });
            
            $show->divider('处理信息');
            $show->field('last_processed_order_id', '最后处理订单ID');
            $show->field('created_at', '创建时间');
            $show->field('updated_at', '更新时间');
        });
    }

    /**
     * 汇总卡片
     */
    protected function summaryCards()
    {
        // 获取最近7天的统计数据
        $recentStats = FeeStatisticsService::getRecentTrend(7);

        $totalOrders = $recentStats['summary']['total_orders'] ?? 0;
        $totalFee = $recentStats['summary']['total_fee'] ?? 0;
        $avgFeeRate = $recentStats['summary']['avg_fee_rate'] ?? 0;

        return new Card('最近7天统计汇总', [
            new Table(['指标', '数值'], [
                ['总订单数', number_format($totalOrders)],
                ['总手续费', number_format((float)$totalFee, 4)],
                ['平均费率', number_format((float)$avgFeeRate * 100, 2) . '%'],
                ['统计天数', count($recentStats['data'] ?? [])],
            ])
        ]);
    }

    /**
     * 概览卡片
     */
    protected function overviewCards()
    {
        // 获取应用汇总统计
        $appSummary = FeeStatisticsService::getAppSummary();
        
        $cards = [];
        foreach ($appSummary['data'] as $app) {
            $cards[] = new Card($app['transfer_app']['title'] ?? '未知应用', [
                new Table(['指标', '数值'], [
                    ['统计天数', $app['stat_days']],
                    ['总订单数', number_format($app['total_orders'])],
                    ['总手续费', number_format($app['total_fee'], 4)],
                    ['平均费率', number_format($app['avg_fee_rate'] * 100, 2) . '%'],
                ])
            ]);
        }
        
        return $cards;
    }

    /**
     * 趋势图表
     */
    protected function trendChart()
    {
        // 这里可以添加图表组件，显示手续费趋势
        return new Card('手续费趋势图', '图表功能待实现');
    }
}