<?php

namespace Modules\EcommerceFinance\Repositories;

use Carbon\CarbonInterface;
use Illuminate\Database\ConnectionInterface;
use Illuminate\Database\DatabaseManager;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Schema;

class DingAttendanceMirrorRepository
{
    public const TABLE = 'ding_attendance_records';

    public const STATE_KEY = 'dingtalk.attendance.finance_daily_records';

    private readonly ConnectionInterface $connection;

    public function __construct(DatabaseManager $database)
    {
        $this->connection = $database->connection(
            (string) config('upstream_mirrors.connection', 'business_mirror')
        );
    }

    public function available(): bool
    {
        $schema = Schema::connection($this->connection->getName());

        return $schema->hasTable(self::TABLE)
            && $schema->hasTable('business_mirror_table_states');
    }

    public function ready(): bool
    {
        if (! $this->available()) {
            return false;
        }

        return ($this->state()['status'] ?? '') === 'succeeded';
    }

    /** @return array<string,mixed>|null */
    public function state(): ?array
    {
        if (! $this->available()) {
            return null;
        }

        $row = $this->connection->table('business_mirror_table_states')
            ->where('dataset_key', self::STATE_KEY)
            ->first();

        return $row === null ? null : (array) $row;
    }

    /** @param list<array<string,mixed>> $rows */
    public function upsertRecords(array $rows): int
    {
        if ($rows === []) {
            return 0;
        }

        $this->connection->table(self::TABLE)->upsert(
            $rows,
            ['record_id'],
            [
                'user_id',
                'user_name',
                'work_date',
                'check_type',
                'time_result',
                'approve_tag_name',
                'approve_id',
                'proc_inst_id',
                'source_type',
                'base_check_time',
                'user_check_time',
                'synced_at',
                'updated_at',
            ],
        );

        return count($rows);
    }

    public function recordSuccess(int $upserted, CarbonInterface $from, CarbonInterface $to): void
    {
        $now = now();
        $state = $this->state();
        $values = [
            'source_key' => 'dingtalk_attendance',
            'source_object' => 'attendance/list',
            'target_table' => self::TABLE,
            'status' => 'succeeded',
            'run_mode' => 'incremental',
            'cursor' => json_encode([
                'from' => $from->toDateTimeString(),
                'to' => $to->toDateTimeString(),
            ], JSON_UNESCAPED_UNICODE | JSON_THROW_ON_ERROR),
            'high_watermark' => json_encode(
                ['work_date' => $to->toDateString()],
                JSON_THROW_ON_ERROR,
            ),
            'window_started_at' => $from,
            'window_ends_at' => $to,
            'initial_completed_at' => $state['initial_completed_at'] ?? $now,
            'last_attempted_at' => $now,
            'last_succeeded_at' => $now,
            'last_upserted_rows' => $upserted,
            'mirror_row_count' => $this->connection->table(self::TABLE)->count(),
            'last_error_code' => null,
            'updated_at' => $now,
        ];

        $this->connection->table('business_mirror_table_states')->updateOrInsert(
            ['dataset_key' => self::STATE_KEY],
            $values + ['created_at' => $state['created_at'] ?? $now],
        );
    }

    public function recordFailure(string $errorCode): void
    {
        if (! $this->available()) {
            return;
        }

        $now = now();
        $state = $this->state();
        $this->connection->table('business_mirror_table_states')->updateOrInsert(
            ['dataset_key' => self::STATE_KEY],
            [
                'source_key' => 'dingtalk_attendance',
                'source_object' => 'attendance/list',
                'target_table' => self::TABLE,
                'status' => 'failed',
                'run_mode' => 'incremental',
                'last_attempted_at' => $now,
                'last_error_code' => mb_substr($errorCode, 0, 120),
                'updated_at' => $now,
                'initial_completed_at' => $state['initial_completed_at'] ?? null,
                'mirror_row_count' => $this->connection->table(self::TABLE)->count(),
                'created_at' => $state['created_at'] ?? $now,
            ],
        );
    }

    /**
     * 返回“已审批请假/休息”等不扣分的用户日期。
     *
     * @param list<string> $userIds
     * @return array<string,array<string,true>>
     */
    public function exemptDatesForUsers(array $userIds, string $from, string $to): array
    {
        $userIds = array_values(array_unique(array_filter(array_map('trim', $userIds))));
        if ($userIds === []) {
            return [];
        }

        $approvalTags = array_values(array_filter(array_map(
            'trim',
            (array) config('dingtalk.attendance.exempt_approval_tags', []),
        )));
        $timeResults = array_values(array_filter(array_map(
            'trim',
            (array) config('dingtalk.attendance.exempt_time_results', []),
        )));
        if ($approvalTags === [] && $timeResults === []) {
            return [];
        }

        $query = $this->connection->table(self::TABLE)
            ->whereIn('user_id', $userIds)
            ->whereBetween('work_date', [$from, $to])
            ->where(function ($scope) use ($approvalTags, $timeResults): void {
                if ($approvalTags !== []) {
                    $scope->whereIn('approve_tag_name', $approvalTags);
                }
                if ($timeResults !== []) {
                    if ($approvalTags === []) {
                        $scope->whereIn('time_result', $timeResults);
                    } else {
                        $scope->orWhereIn('time_result', $timeResults);
                    }
                }
            })
            ->get(['user_id', 'work_date']);

        $dates = [];
        foreach ($query as $row) {
            $userId = trim((string) ($row->user_id ?? ''));
            $date = Carbon::parse($row->work_date)->toDateString();
            if ($userId !== '' && $date !== '') {
                $dates[$userId][$date] = true;
            }
        }

        return $dates;
    }
}