<?php

namespace App\Services;

use App\Models\MessageLinkman;
use App\Models\User;
use Illuminate\Support\Facades\DB;

class MarriageService
{
    /**
     * 获取邀请用户的年龄分布数据
     */
    public function getAgeDistributeData($user_id): array
    {
        if (!$user_id){
            return [];
        }
//        $user_ids = User::query()->where('from_user_id',$user_id)->pluck('id');
        $user_ids = MessageLinkman::query()->where('user_id',$user_id)->pluck('other_user_id');

        $profile_courtship = DB::table('profile_courtships')->whereIn('user_id',$user_ids)
            ->whereNotNull('birthday')
            ->selectRaw('user_id')
            ->selectRaw('CONCAT(SUBSTRING(birthday,3,1),"0后") as year_after');

        $profile_marriage = DB::table('profile_marriages')->whereIn('user_id',$user_ids)
            ->whereNotNull('birthday')
            ->selectRaw('user_id')
            ->selectRaw('CONCAT(SUBSTRING(birthday,3,1),"0后") as year_after');

        $query = $profile_courtship->union($profile_marriage);

        $data = DB::table(DB::raw("({$query->toSql()}) as a"))->mergeBindings($query)
            ->select('year_after')
            ->selectRaw('count(*) as count')
            ->orderByDesc('count')
            ->groupBy('year_after')
            ->get();

        if (!$data){
            return [];
        }

        $data = $data->toArray();

        $total_count = array_sum(array_column($data,'count'));

        foreach ($data as $key => $item) {
            $ratio = round(($item->count / $total_count) * 100);
            if ($ratio == 0) {
                unset($data[$key]);
                continue;
            }
            $item->ratio = $ratio / 100;
            $item->ratio_text = $ratio . '%';
        }

        return $data;
    }

    public function getFriendMaxYearAfter($user_id)
    {
        if (!$user_id){
            return '';
        }
//        $user_ids = User::query()->where('from_user_id',$user_id)->pluck('id');
        $user_ids = MessageLinkman::query()->where('user_id',$user_id)->pluck('other_user_id');

        $profile_courtship = DB::table('profile_courtships')->whereIn('user_id',$user_ids)
            ->whereNotNull('birthday')
            ->selectRaw('user_id')
            ->selectRaw('CONCAT(SUBSTRING(birthday,3,1),"0后") as year_after');

        $profile_marriage = DB::table('profile_marriages')->whereIn('user_id',$user_ids)
            ->whereNotNull('birthday')
            ->selectRaw('user_id')
            ->selectRaw('CONCAT(SUBSTRING(birthday,3,1),"0后") as year_after');

        $query = $profile_courtship->union($profile_marriage);

        $data = DB::table(DB::raw("({$query->toSql()}) as a"))->mergeBindings($query)
            ->select('year_after')
            ->selectRaw('count(*) as count')
            ->orderByDesc('count')
            ->groupBy('year_after')
            ->first();

        return $data->year_after ?? '';
    }
}