<?php

namespace app\api\controller;

use app\service\api\member\MemberService;
use core\base\BaseApiController;
use think\facade\View;
use think\facade\Db;

/**
 * Dashboard WebView 控制器 - 市场人员业绩管理系统
 */
class Dashboard extends BaseApiController
{
    /**
     * WebView 页面渲染
     */
    public function webview()
    {
        $type = $this->request->get('type', 'my_data'); // 页面类型
        $token = $this->request->get('token', ''); // 用户token
        $platform = $this->request->get('platform', 'web'); // 平台标识
        
        // 验证token和获取用户信息
        if (empty($token)) {
            return $this->renderErrorPage('缺少用户认证信息');
        }
        
        try {
            // 验证token并获取用户信息
            $userInfo = $this->getUserInfo($token);
            
            // 根据页面类型渲染不同内容
            $htmlContent = $this->renderDashboardPage($type, $userInfo, $platform);
            
            // 输出HTML内容
            return response($htmlContent)->header([
                'Content-Type' => 'text/html; charset=utf-8',
                'Cache-Control' => 'no-cache, no-store, must-revalidate',
                'Pragma' => 'no-cache',
                'Expires' => '0'
            ]);
            
        } catch (\Exception $e) {
            return $this->renderErrorPage('页面加载失败: ' . $e->getMessage());
        }
    }
    
    /**
     * 获取用户信息
     */
    private function getUserInfo($token)
    {
        // TODO: 实现token验证逻辑，这里暂时使用测试数据
        // 根据教务系统角色使用指南，需要支持市场人员和管理者角色
        return [
            'id' => 7, // 麒麟老师，市场人员
            'name' => '麒麟老师',
            'role' => 'market_staff',
            'campus_id' => 1,
            'dept_id' => 1,
            'is_manager' => false,
            'staff_id' => 7
        ];
    }
    
    /**
     * 渲染Dashboard页面
     */
    private function renderDashboardPage($type, $userInfo, $platform)
    {
        // 获取页面数据
        $pageData = $this->getPageData($type, $userInfo);
        
        // 页面标题映射
        $titleMap = [
            'my_data' => '我的数据',
            'team_data' => '团队数据',
            'dept_data' => '部门数据',
            'campus_data' => '校区数据'
        ];
        
        $pageTitle = $titleMap[$type] ?? '数据统计';
        
        // 使用视图模板渲染页面
        return View::fetch('dashboard/main', [
            'pageTitle' => $pageTitle,
            'pageData' => $pageData,
            'platform' => $platform,
            'userInfo' => $userInfo
        ]);
    }
    
    /**
     * 获取页面数据
     */
    private function getPageData($type, $userInfo)
    {
        switch ($type) {
            case 'my_data':
                return $this->getMyData($userInfo);
            case 'team_data':
                return $this->getTeamData($userInfo);
            case 'dept_data':
                return $this->getDeptData($userInfo);
            case 'campus_data':
                return $this->getCampusData($userInfo);
            default:
                return [];
        }
    }
    
    /**
     * 获取我的数据（市场人员）
     */
    private function getMyData($userInfo)
    {
        $staffId = $userInfo['staff_id'];
        $currentMonth = date('Y-m-01');
        
        return [
            // 核心统计指标
            'stats' => [
                [
                    'label' => '本月新增资源',
                    'value' => $this->getResourceCount($staffId, $currentMonth),
                    'unit' => '个',
                    'trend' => $this->getResourceTrend($staffId)
                ],
                [
                    'label' => '本月成交客户',
                    'value' => $this->getConvertedCount($staffId, $currentMonth),
                    'unit' => '人',
                    'trend' => $this->getConversionTrend($staffId)
                ],
                [
                    'label' => '本月业绩',
                    'value' => $this->getPerformance($staffId, $currentMonth),
                    'unit' => '元',
                    'trend' => $this->getPerformanceTrend($staffId)
                ],
                [
                    'label' => '本月提成',
                    'value' => $this->getCommission($staffId, $currentMonth),
                    'unit' => '元',
                    'trend' => $this->getCommissionTrend($staffId)
                ]
            ],
            
            // 资源分析
            'resource_analysis' => [
                'channel_distribution' => $this->getChannelDistribution($staffId),
                'source_distribution' => $this->getSourceDistribution($staffId),
                'conversion_funnel' => $this->getConversionFunnel($staffId),
                'monthly_trend' => $this->getMonthlyTrend($staffId)
            ],
            
            // 收益分析
            'income_analysis' => [
                'commission_breakdown' => $this->getCommissionBreakdown($staffId),
                'bonus_history' => $this->getBonusHistory($staffId),
                'income_trend' => $this->getIncomeTrend($staffId)
            ]
        ];
    }
    
    /**
     * 获取团队数据（经理权限）
     */
    private function getTeamData($userInfo)
    {
        $campusId = $userInfo['campus_id'];
        $deptId = $userInfo['dept_id'];
        $currentMonth = date('Y-m-01');
        
        return [
            // 团队总览
            'team_overview' => [
                'total_members' => $this->getTeamMemberCount($campusId, $deptId),
                'total_resources' => $this->getTeamResourceCount($campusId, $deptId, $currentMonth),
                'total_converted' => $this->getTeamConvertedCount($campusId, $deptId, $currentMonth),
                'total_performance' => $this->getTeamPerformance($campusId, $deptId, $currentMonth)
            ],
            
            // 团队成员排名
            'member_ranking' => $this->getTeamMemberRanking($campusId, $deptId, $currentMonth),
            
            // 团队业绩分布
            'performance_distribution' => $this->getTeamPerformanceDistribution($campusId, $deptId, $currentMonth)
        ];
    }
    
    /**
     * 获取部门数据
     */
    private function getDeptData($userInfo)
    {
        $campusId = $userInfo['campus_id'];
        $currentMonth = date('Y-m-01');
        
        return [
            // 部门总览
            'dept_overview' => [
                'total_depts' => $this->getDeptCount($campusId),
                'total_resources' => $this->getDeptResourceCount($campusId, $currentMonth),
                'total_performance' => $this->getDeptPerformance($campusId, $currentMonth),
                'conversion_rate' => $this->getDeptConversionRate($campusId, $currentMonth)
            ],
            
            // 部门排名
            'dept_ranking' => $this->getDeptRanking($campusId, $currentMonth)
        ];
    }
    
    /**
     * 获取校区数据
     */
    private function getCampusData($userInfo)
    {
        $campusId = $userInfo['campus_id'];
        $currentMonth = date('Y-m-01');
        
        return [
            // 校区总览
            'campus_overview' => [
                'total_performance' => $this->getCampusPerformance($campusId, $currentMonth),
                'total_resources' => $this->getCampusResourceCount($campusId, $currentMonth),
                'total_converted' => $this->getCampusConvertedCount($campusId, $currentMonth),
                'total_staff' => $this->getCampusStaffCount($campusId)
            ],
            
            // 校区部门对比
            'dept_comparison' => $this->getCampusDeptComparison($campusId, $currentMonth)
        ];
    }
    
    // ========== 数据查询方法 ==========
    
    /**
     * 获取资源数量
     */
    private function getResourceCount($staffId, $startDate)
    {
        return Db::table('school_customer_resources')
            ->where('consultant', $staffId)
            ->where('deleted_at', 0)
            ->where('created_at', '>=', $startDate)
            ->count();
    }
    
    /**
     * 获取成交客户数量
     */
    private function getConvertedCount($staffId, $startDate)
    {
        return Db::table('school_customer_resources r')
            ->join('school_order_table o', 'r.id = o.resource_id')
            ->where('r.consultant', $staffId)
            ->where('r.deleted_at', 0)
            ->where('o.order_type', '1')
            ->where('o.order_status', 'paid')
            ->where('r.created_at', '>=', $startDate)
            ->count();
    }
    
    /**
     * 获取业绩数据
     */
    private function getPerformance($staffId, $startDate)
    {
        $result = Db::table('school_order_table')
            ->where('staff_id', $staffId)
            ->where('order_type', '1')
            ->where('order_status', 'paid')
            ->where('payment_time', '>=', $startDate)
            ->sum('order_amount');
            
        return $result ?: 0;
    }
    
    /**
     * 获取提成数据
     */
    private function getCommission($staffId, $startDate)
    {
        $result = Db::table('school_performance_records')
            ->where('staff_id', $staffId)
            ->whereIn('performance_type', ['sales', 'marketing', 'consultant'])
            ->where('order_status', 'completed')
            ->where('created_at', '>=', $startDate)
            ->sum('performance_value');
            
        return $result ?: 0;
    }
    
    /**
     * 获取渠道分布
     */
    private function getChannelDistribution($staffId)
    {
        $results = Db::table('school_customer_resources')
            ->field('source_channel, COUNT(*) as count')
            ->where('consultant', $staffId)
            ->where('deleted_at', 0)
            ->group('source_channel')
            ->select();
            
        $channelMap = [
            '1' => '线上推广',
            '2' => '电话营销',
            '3' => '地推活动',
            '4' => '转介绍',
            '5' => '其他'
        ];
        
        $data = [];
        foreach ($results as $row) {
            $channelName = $channelMap[$row['source_channel']] ?? '其他';
            $data[] = [
                'name' => $channelName,
                'value' => $row['count']
            ];
        }
        
        return $data;
    }
    
    /**
     * 获取来源分布
     */
    private function getSourceDistribution($staffId)
    {
        $results = Db::table('school_customer_resources')
            ->field('source, COUNT(*) as count')
            ->where('consultant', $staffId)
            ->where('deleted_at', 0)
            ->whereNotNull('source')
            ->where('source', '<>', '')
            ->group('source')
            ->select();
            
        $sourceMap = [
            '1' => '官网',
            '2' => '微信',
            '3' => '抖音',
            '4' => '小红书',
            '5' => '其他'
        ];
        
        $data = [];
        foreach ($results as $row) {
            $sourceName = $sourceMap[$row['source']] ?? $row['source'];
            $data[] = [
                'name' => $sourceName,
                'value' => $row['count']
            ];
        }
        
        return $data;
    }
    
    /**
     * 获取转化漏斗
     */
    private function getConversionFunnel($staffId)
    {
        // 总资源数
        $totalResources = Db::table('school_customer_resources')
            ->where('consultant', $staffId)
            ->where('deleted_at', 0)
            ->count();
            
        // 有效联系数（简化处理）
        $contactedResources = $totalResources;
        
        // 意向客户数
        $intentionResources = Db::table('school_customer_resources')
            ->where('consultant', $staffId)
            ->where('deleted_at', 0)
            ->where('initial_intent', 'high')
            ->count();
            
        // 成交客户数
        $convertedResources = Db::table('school_customer_resources r')
            ->join('school_order_table o', 'r.id = o.resource_id')
            ->where('r.consultant', $staffId)
            ->where('r.deleted_at', 0)
            ->where('o.order_type', '1')
            ->where('o.order_status', 'paid')
            ->count();
            
        return [
            ['stage' => '新增资源', 'count' => $totalResources, 'rate' => 100],
            ['stage' => '有效联系', 'count' => $contactedResources, 'rate' => round($contactedResources * 100 / $totalResources, 1)],
            ['stage' => '意向客户', 'count' => $intentionResources, 'rate' => round($intentionResources * 100 / $totalResources, 1)],
            ['stage' => '成交客户', 'count' => $convertedResources, 'rate' => round($convertedResources * 100 / $totalResources, 1)]
        ];
    }
    
    /**
     * 获取月度趋势
     */
    private function getMonthlyTrend($staffId)
    {
        $results = Db::table('school_customer_resources')
            ->field("DATE_FORMAT(created_at, '%Y-%m') as month, COUNT(*) as count")
            ->where('consultant', $staffId)
            ->where('deleted_at', 0)
            ->group('month')
            ->order('month DESC')
            ->limit(6)
            ->select();
            
        return array_reverse($results->toArray()); // 按时间正序
    }
    
    /**
     * 获取提成明细
     */
    private function getCommissionBreakdown($staffId)
    {
        $results = Db::table('school_performance_records')
            ->field('performance_type, SUM(performance_value) as total_amount, COUNT(*) as count')
            ->where('staff_id', $staffId)
            ->whereIn('performance_type', ['sales', 'marketing', 'consultant'])
            ->where('order_status', 'completed')
            ->group('performance_type')
            ->select();
            
        $typeMap = [
            'sales' => '销售提成',
            'marketing' => '营销提成',
            'consultant' => '咨询提成'
        ];
        
        $data = [];
        foreach ($results as $row) {
            $typeName = $typeMap[$row['performance_type']] ?? $row['performance_type'];
            $data[] = [
                'type' => $typeName,
                'amount' => $row['total_amount'],
                'count' => $row['count']
            ];
        }
        
        return $data;
    }
    
    /**
     * 获取奖励历史
     */
    private function getBonusHistory($staffId)
    {
        return Db::table('school_salary')
            ->field('salary_month, other_subsidies as amount')
            ->where('staff_id', $staffId)
            ->where('other_subsidies', '>', 0)
            ->order('salary_month DESC')
            ->limit(6)
            ->select();
    }
    
    /**
     * 获取收入趋势
     */
    private function getIncomeTrend($staffId)
    {
        $results = Db::table('school_performance_records')
            ->field('DATE_FORMAT(created_at, "%Y-%m") as month, SUM(performance_value) as total_income')
            ->where('staff_id', $staffId)
            ->where('order_status', 'completed')
            ->group('month')
            ->order('month DESC')
            ->limit(6)
            ->select();
            
        return array_reverse($results->toArray()); // 按时间正序
    }
    
    // ========== 团队数据查询方法 ==========
    
    /**
     * 获取团队成员数量
     */
    private function getTeamMemberCount($campusId, $deptId)
    {
        return Db::table('school_personnel p')
            ->join('school_campus_person_role cpr', 'p.id = cpr.person_id')
            ->where('cpr.campus_id', $campusId)
            ->where('cpr.dept_id', $deptId)
            ->where('p.status', 1)
            ->where('p.deleted_at', '0')
            ->count();
    }
    
    /**
     * 获取团队资源数量
     */
    private function getTeamResourceCount($campusId, $deptId, $startDate)
    {
        $members = Db::table('school_personnel p')
            ->join('school_campus_person_role cpr', 'p.id = cpr.person_id')
            ->where('cpr.campus_id', $campusId)
            ->where('cpr.dept_id', $deptId)
            ->where('p.status', 1)
            ->where('p.deleted_at', '0')
            ->column('id');
            
        return Db::table('school_customer_resources')
            ->whereIn('consultant', $members)
            ->where('deleted_at', 0)
            ->where('created_at', '>=', $startDate)
            ->count();
    }
    
    /**
     * 获取团队成交数量
     */
    private function getTeamConvertedCount($campusId, $deptId, $startDate)
    {
        $members = Db::table('school_personnel p')
            ->join('school_campus_person_role cpr', 'p.id = cpr.person_id')
            ->where('cpr.campus_id', $campusId)
            ->where('cpr.dept_id', $deptId)
            ->where('p.status', 1)
            ->where('p.deleted_at', '0')
            ->column('id');
            
        return Db::table('school_customer_resources r')
            ->join('school_order_table o', 'r.id = o.resource_id')
            ->whereIn('r.consultant', $members)
            ->where('r.deleted_at', 0)
            ->where('o.order_type', '1')
            ->where('o.order_status', 'paid')
            ->where('r.created_at', '>=', $startDate)
            ->count();
    }
    
    /**
     * 获取团队业绩
     */
    private function getTeamPerformance($campusId, $deptId, $startDate)
    {
        $members = Db::table('school_personnel p')
            ->join('school_campus_person_role cpr', 'p.id = cpr.person_id')
            ->where('cpr.campus_id', $campusId)
            ->where('cpr.dept_id', $deptId)
            ->where('p.status', 1)
            ->where('p.deleted_at', '0')
            ->column('id');
            
        $result = Db::table('school_order_table')
            ->whereIn('staff_id', $members)
            ->where('order_type', '1')
            ->where('order_status', 'paid')
            ->where('payment_time', '>=', $startDate)
            ->sum('order_amount');
            
        return $result ?: 0;
    }
    
    /**
     * 获取团队成员排名
     */
    private function getTeamMemberRanking($campusId, $deptId, $startDate)
    {
        // 获取团队成员列表
        $members = Db::table('school_personnel p')
            ->join('school_campus_person_role cpr', 'p.id = cpr.person_id')
            ->where('cpr.campus_id', $campusId)
            ->where('cpr.dept_id', $deptId)
            ->where('p.status', 1)
            ->where('p.deleted_at', '0')
            ->column('id, name');
            
        $ranking = [];
        foreach ($members as $member) {
            $resourceCount = $this->getResourceCount($member['id'], $startDate);
            $convertedCount = $this->getConvertedCount($member['id'], $startDate);
            $performance = $this->getPerformance($member['id'], $startDate);
            $commission = $this->getCommission($member['id'], $startDate);
            
            $ranking[] = [
                'staff_id' => $member['id'],
                'staff_name' => $member['name'],
                'resource_count' => $resourceCount,
                'converted_count' => $convertedCount,
                'performance' => $performance,
                'commission' => $commission
            ];
        }
        
        // 按业绩排序
        usort($ranking, function($a, $b) {
            return $b['performance'] <=> $a['performance'];
        });
        
        return $ranking;
    }
    
    // ========== 部门数据查询方法 ==========
    
    /**
     * 获取部门数量
     */
    private function getDeptCount($campusId)
    {
        return Db::table('school_departments')
            ->where('deleted_at', 0)
            ->count();
    }
    
    /**
     * 获取部门资源数量
     */
    private function getDeptResourceCount($campusId, $startDate)
    {
        return Db::table('school_customer_resources')
            ->where('campus', $campusId)
            ->where('deleted_at', 0)
            ->where('created_at', '>=', $startDate)
            ->count();
    }
    
    /**
     * 获取部门业绩
     */
    private function getDeptPerformance($campusId, $startDate)
    {
        $result = Db::table('school_order_table')
            ->where('campus_id', $campusId)
            ->where('order_type', '1')
            ->where('order_status', 'paid')
            ->where('payment_time', '>=', $startDate)
            ->sum('order_amount');
            
        return $result ?: 0;
    }
    
    /**
     * 获取部门转化率
     */
    private function getDeptConversionRate($campusId, $startDate)
    {
        $totalResources = Db::table('school_customer_resources')
            ->where('campus', $campusId)
            ->where('deleted_at', 0)
            ->where('created_at', '>=', $startDate)
            ->count();
            
        if ($totalResources == 0) return 0;
        
        $convertedResources = Db::table('school_customer_resources r')
            ->join('school_order_table o', 'r.id = o.resource_id')
            ->where('r.campus', $campusId)
            ->where('r.deleted_at', 0)
            ->where('o.order_type', '1')
            ->where('o.order_status', 'paid')
            ->where('r.created_at', '>=', $startDate)
            ->count();
            
        return round($convertedResources * 100 / $totalResources, 1);
    }
    
    /**
     * 获取部门排名
     */
    private function getDeptRanking($campusId, $startDate)
    {
        $depts = Db::table('school_departments')
            ->where('deleted_at', 0)
            ->select();
            
        $ranking = [];
        foreach ($depts as $dept) {
            $performance = Db::table('school_order_table')
                ->where('campus_id', $campusId)
                ->where('order_type', '1')
                ->where('order_status', 'paid')
                ->where('payment_time', '>=', $startDate)
                ->sum('order_amount');
                
            $ranking[] = [
                'dept_id' => $dept['id'],
                'dept_name' => $dept['department_name'],
                'performance' => $performance ?: 0
            ];
        }
        
        // 按业绩排序
        usort($ranking, function($a, $b) {
            return $b['performance'] <=> $a['performance'];
        });
        
        return $ranking;
    }
    
    // ========== 校区数据查询方法 ==========
    
    /**
     * 获取校区业绩
     */
    private function getCampusPerformance($campusId, $startDate)
    {
        $result = Db::table('school_order_table')
            ->where('campus_id', $campusId)
            ->where('order_type', '1')
            ->where('order_status', 'paid')
            ->where('payment_time', '>=', $startDate)
            ->sum('order_amount');
            
        return $result ?: 0;
    }
    
    /**
     * 获取校区资源数量
     */
    private function getCampusResourceCount($campusId, $startDate)
    {
        return Db::table('school_customer_resources')
            ->where('campus', $campusId)
            ->where('deleted_at', 0)
            ->where('created_at', '>=', $startDate)
            ->count();
    }
    
    /**
     * 获取校区成交数量
     */
    private function getCampusConvertedCount($campusId, $startDate)
    {
        return Db::table('school_customer_resources r')
            ->join('school_order_table o', 'r.id = o.resource_id')
            ->where('r.campus', $campusId)
            ->where('r.deleted_at', 0)
            ->where('o.order_type', '1')
            ->where('o.order_status', 'paid')
            ->where('r.created_at', '>=', $startDate)
            ->count();
    }
    
    /**
     * 获取校区员工数量
     */
    private function getCampusStaffCount($campusId)
    {
        return Db::table('school_personnel p')
            ->join('school_campus_person_role cpr', 'p.id = cpr.person_id')
            ->where('cpr.campus_id', $campusId)
            ->where('p.status', 1)
            ->where('p.deleted_at', '0')
            ->count();
    }
    
    /**
     * 获取校区部门对比
     */
    private function getCampusDeptComparison($campusId, $startDate)
    {
        $depts = Db::table('school_departments')
            ->where('deleted_at', 0)
            ->select();
            
        $comparison = [];
        foreach ($depts as $dept) {
            $performance = Db::table('school_order_table')
                ->join('school_customer_resources r', 'r.id = o.resource_id')
                ->where('o.campus_id', $campusId)
                ->where('r.consultant', '!=', '')
                ->where('o.order_type', '1')
                ->where('o.order_status', 'paid')
                ->where('o.payment_time', '>=', $startDate)
                ->sum('o.order_amount');
                
            $comparison[] = [
                'dept_id' => $dept['id'],
                'dept_name' => $dept['department_name'],
                'performance' => $performance ?: 0
            ];
        }
        
        return $comparison;
    }
    
    // ========== 趋势计算方法 ==========
    
    /**
     * 计算资源趋势
     */
    private function getResourceTrend($staffId)
    {
        $currentMonth = date('Y-m-01');
        $lastMonth = date('Y-m-01', strtotime('-1 month'));
        
        $current = $this->getResourceCount($staffId, $currentMonth);
        $last = $this->getResourceCount($staffId, $lastMonth);
        
        if ($last == 0) return '+0%';
        
        $trend = round(($current - $last) * 100 / $last, 1);
        return $trend >= 0 ? '+' . $trend . '%' : $trend . '%';
    }
    
    /**
     * 计算转化趋势
     */
    private function getConversionTrend($staffId)
    {
        // 简化处理，返回示例数据
        return '+8%';
    }
    
    /**
     * 计算业绩趋势
     */
    private function getPerformanceTrend($staffId)
    {
        // 简化处理，返回示例数据
        return '+12%';
    }
    
    /**
     * 计算提成趋势
     */
    private function getCommissionTrend($staffId)
    {
        // 简化处理，返回示例数据
        return '+15%';
    }
    
    /**
     * 渲染错误页面
     */
    private function renderErrorPage($message)
    {
        $errorHtml = View::fetch('dashboard/error', [
            'message' => $message
        ]);
        
        return response($errorHtml)->header([
            'Content-Type' => 'text/html; charset=utf-8'
        ]);
    }
}