<?php

namespace app\service;

use app\model\Ad;
use app\model\DayData;
use app\model\Campaign;
use app\model\AdGroup;
use think\db\exception\DbException;
use think\facade\Db;
use think\model\Collection;

class GoogleAdsReportService
{
    /**
     * 获取广告列表
     */
    public static function getAdList($page, $pageSize, $keyword, $dateRange)
    {
        // 基础查询：广告表和日数据表联接
        $query = Ad::alias('a')
            ->leftJoin('bps_google_ad_day_data d', 'a.ad_id = d.ad_id')
            ->field('a.ad_id, a.ad_name, a.status as ad_status, a.customer_id,
                    SUM(d.clicks) as clicks, SUM(d.cost_micros) as cost_micros, 
                    SUM(d.conversions) as conversions, SUM(d.conversions_value) as conversions_value, 
                    SUM(d.impressions) as impressions')
            ->group('a.ad_id')
            ->where(function ($query) use ($keyword) {
                if ($keyword) {
                    $query->where('a.ad_name', 'like', '%' . $keyword . '%');
                }
            });

        // 根据日期维度添加聚合条件
        switch ($dateRange) {
            case 'Today':
                $query->where('d.date', '=', date('Y-m-d'));
                break;
            case 'Yesterday':
                $query->where('d.date', '=', date('Y-m-d', strtotime('-1 day')));
                break;
            case 'Last Week':
                $query->where('d.date', '>=', date('Y-m-d', strtotime('-1 week')));
                break;
            case 'Last Month':
                $query->where('d.date', '>=', date('Y-m-d', strtotime('-1 month')));
                break;
            case 'Last Year':
                $query->where('d.date', '>=', date('Y-m-d', strtotime('-1 year')));
                break;
            default:
                break;
        }

        // 获取分页数据
        $ads = $query->paginate($pageSize, false, ['page' => $page]);

        // 返回分页和总数信息
        return [
            'data' => $ads->items(),
            'total' => $ads->total(),
            'current_page' => $ads->currentPage(),
            'last_page' => $ads->lastPage(),
        ];
    }


    /**
     * 获取广告系列列表
     */
    public static function getCampaignList($page, $pageSize, $keyword, $dateRange)
    {
        // 基础查询：广告活动和日数据表联接
        $query = Campaign::alias('c')
            ->leftJoin('bps_google_ad_day_data d', 'c.campaign_id = d.campaign_id')
            ->field('c.campaign_id, c.status as campaign_status, c.customer_id, 
                    SUM(d.clicks) as clicks, SUM(d.cost_micros) as cost_micros, 
                    SUM(d.conversions) as conversions, SUM(d.conversions_value) as conversions_value, 
                    SUM(d.impressions) as impressions')
            ->group('c.campaign_id')
            ->where(function ($query) use ($keyword) {
                if ($keyword) {
                    $query->where('c.campaign_name', 'like', '%' . $keyword . '%');
                }
            });

        // 根据日期维度添加聚合条件
        switch ($dateRange) {
            case 'Today':
                $query->where('d.date', '=', date('Y-m-d'));
                break;
            case 'Yesterday':
                $query->where('d.date', '=', date('Y-m-d', strtotime('-1 day')));
                break;
            case 'Last Week':
                $query->where('d.date', '>=', date('Y-m-d', strtotime('-1 week')));
                break;
            case 'Last Month':
                $query->where('d.date', '>=', date('Y-m-d', strtotime('-1 month')));
                break;
            case 'Last Year':
                $query->where('d.date', '>=', date('Y-m-d', strtotime('-1 year')));
                break;
            default:
                break;
        }

        // 获取分页数据
        $campaigns = $query->paginate($pageSize, false, ['page' => $page]);

        // 返回分页和总数信息
        return [
            'data' => $campaigns->items(),
            'total' => $campaigns->total(),
            'current_page' => $campaigns->currentPage(),
            'last_page' => $campaigns->lastPage(),
        ];
    }

    /**
     * 获取广告系列列表
     */
    public static function getAdGroupList($page, $pageSize, $keyword, $dateRange)
    {
        // 初始化查询
        $query = AdGroup::alias('ag')
            ->leftJoin('bps_google_ad_day_data d', 'ag.ad_group_id = d.ad_group_id')
            ->field('ag.ad_group_id, ag.campaign_id, ag.customer_id, 
                    SUM(d.clicks) as clicks, SUM(d.cost_micros) as cost_micros, 
                    SUM(d.conversions) as conversions, SUM(d.conversions_value) as conversions_value, 
                    SUM(d.impressions) as impressions')
            ->group('ag.ad_group_id')
            ->where(function ($query) use ($keyword) {
                if ($keyword) {
                    $query->where('ag.ad_group_name', 'like', '%' . $keyword . '%');
                }
            });

        // 根据日期范围添加聚合条件
        switch ($dateRange) {
            case 'Today':
                $query->where('d.date', '=', date('Y-m-d'));
                break;
            case 'Yesterday':
                $query->where('d.date', '=', date('Y-m-d', strtotime('-1 day')));
                break;
            case 'Last Week':
                $query->where('d.date', '>=', date('Y-m-d', strtotime('-1 week')));
                break;
            case 'Last Month':
                $query->where('d.date', '>=', date('Y-m-d', strtotime('-1 month')));
                break;
            case 'Last Year':
                $query->where('d.date', '>=', date('Y-m-d', strtotime('-1 year')));
                break;
            default:
                break;
        }

        // 分页查询
        try {

//            $sql = $query->fetchSql()->select();  // fetchSql() 会返回 SQL 查询语句
//            echo "Executed SQL: " . $sql;  // 输出执行的 SQL

            $result = $query->paginate([
                'list_rows' => $pageSize,  // 每页数量
                'page' => $page,  // 当前页码
            ]);

            // 返回分页数据
            return [
                'data' => $result->items(),
                'total' => $result->total(),
                'current_page' => $result->currentPage(),
                'last_page' => $result->lastPage(),
            ];
        } catch (DbException $e) {
            // 处理数据库查询错误
            return [
                'error' => 'Database query failed: ' . $e->getMessage(),
            ];
        }
    }

}