<?php

namespace App\Models;

use App\Traits\Auditable;
use App\Traits\BelongsToTenant;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class NotificationSetting extends Model
{
    use Auditable, BelongsToTenant;

    protected $fillable = [
        'tenant_id',
        'user_id',
        'notification_type',
        'push_enabled',
        'email_enabled',
        'sms_enabled',
        'in_app_enabled',
        'kakao_enabled',
        'settings',
    ];

    protected $casts = [
        'push_enabled' => 'boolean',
        'email_enabled' => 'boolean',
        'sms_enabled' => 'boolean',
        'in_app_enabled' => 'boolean',
        'kakao_enabled' => 'boolean',
        'settings' => 'array',
    ];

    /**
     * 알림 유형 상수
     */
    public const TYPE_APPROVAL = 'approval';           // 결재

    public const TYPE_ORDER = 'order';                 // 수주

    public const TYPE_DEPOSIT = 'deposit';             // 입금

    public const TYPE_WITHDRAWAL = 'withdrawal';       // 출금

    public const TYPE_NOTICE = 'notice';               // 공지사항

    public const TYPE_SYSTEM = 'system';               // 시스템

    public const TYPE_MARKETING = 'marketing';         // 마케팅

    public const TYPE_SECURITY = 'security';           // 보안 (로그인, 비밀번호 변경 등)

    /**
     * 알림 채널 상수
     */
    public const CHANNEL_PUSH = 'push';

    public const CHANNEL_EMAIL = 'email';

    public const CHANNEL_SMS = 'sms';

    public const CHANNEL_IN_APP = 'in_app';

    public const CHANNEL_KAKAO = 'kakao';

    /**
     * 모든 알림 유형 반환
     */
    public static function getAllTypes(): array
    {
        return [
            self::TYPE_APPROVAL,
            self::TYPE_ORDER,
            self::TYPE_DEPOSIT,
            self::TYPE_WITHDRAWAL,
            self::TYPE_NOTICE,
            self::TYPE_SYSTEM,
            self::TYPE_MARKETING,
            self::TYPE_SECURITY,
        ];
    }

    /**
     * 모든 채널 반환
     */
    public static function getAllChannels(): array
    {
        return [
            self::CHANNEL_PUSH,
            self::CHANNEL_EMAIL,
            self::CHANNEL_SMS,
            self::CHANNEL_IN_APP,
            self::CHANNEL_KAKAO,
        ];
    }

    /**
     * 알림 유형별 기본 설정 반환
     */
    public static function getDefaultSettings(string $type): array
    {
        // 보안 관련 알림은 이메일 기본 활성화
        if ($type === self::TYPE_SECURITY) {
            return [
                'push_enabled' => true,
                'email_enabled' => true,
                'sms_enabled' => false,
                'in_app_enabled' => true,
                'kakao_enabled' => false,
            ];
        }

        // 마케팅은 기본 비활성화
        if ($type === self::TYPE_MARKETING) {
            return [
                'push_enabled' => false,
                'email_enabled' => false,
                'sms_enabled' => false,
                'in_app_enabled' => false,
                'kakao_enabled' => false,
            ];
        }

        // 기타 알림은 푸시, 인앱만 기본 활성화
        return [
            'push_enabled' => true,
            'email_enabled' => false,
            'sms_enabled' => false,
            'in_app_enabled' => true,
            'kakao_enabled' => false,
        ];
    }

    /**
     * 알림 유형 레이블
     */
    public static function getTypeLabels(): array
    {
        return [
            self::TYPE_APPROVAL => '전자결재',
            self::TYPE_ORDER => '수주',
            self::TYPE_DEPOSIT => '입금',
            self::TYPE_WITHDRAWAL => '출금',
            self::TYPE_NOTICE => '공지사항',
            self::TYPE_SYSTEM => '시스템',
            self::TYPE_MARKETING => '마케팅',
            self::TYPE_SECURITY => '보안',
        ];
    }

    /**
     * 채널 레이블
     */
    public static function getChannelLabels(): array
    {
        return [
            self::CHANNEL_PUSH => '푸시 알림',
            self::CHANNEL_EMAIL => '이메일',
            self::CHANNEL_SMS => 'SMS',
            self::CHANNEL_IN_APP => '인앱 알림',
            self::CHANNEL_KAKAO => '카카오 알림톡',
        ];
    }

    /**
     * 사용자 관계
     */
    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    /**
     * 테넌트 관계
     */
    public function tenant(): BelongsTo
    {
        return $this->belongsTo(Tenant::class);
    }

    /**
     * Scope: 특정 사용자의 설정
     */
    public function scopeForUser($query, int $userId)
    {
        return $query->where('user_id', $userId);
    }

    /**
     * Scope: 특정 알림 유형
     */
    public function scopeOfType($query, string $type)
    {
        return $query->where('notification_type', $type);
    }

    /**
     * 특정 채널이 활성화되어 있는지 확인
     */
    public function isChannelEnabled(string $channel): bool
    {
        return match ($channel) {
            self::CHANNEL_PUSH => $this->push_enabled,
            self::CHANNEL_EMAIL => $this->email_enabled,
            self::CHANNEL_SMS => $this->sms_enabled,
            self::CHANNEL_IN_APP => $this->in_app_enabled,
            self::CHANNEL_KAKAO => $this->kakao_enabled,
            default => false,
        };
    }

    /**
     * 채널 설정 업데이트
     */
    public function setChannelEnabled(string $channel, bool $enabled): void
    {
        match ($channel) {
            self::CHANNEL_PUSH => $this->push_enabled = $enabled,
            self::CHANNEL_EMAIL => $this->email_enabled = $enabled,
            self::CHANNEL_SMS => $this->sms_enabled = $enabled,
            self::CHANNEL_IN_APP => $this->in_app_enabled = $enabled,
            self::CHANNEL_KAKAO => $this->kakao_enabled = $enabled,
            default => null,
        };
    }
}