<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\MorphTo;
use App\Enums\TransactionType;
use App\Enums\TransactionStatus;
use App\Enums\PaymentGateway;
use App\Traits\Auditable;

class WalletTransaction extends Model
{
    use SoftDeletes, Auditable;

    protected $fillable = [
        'wallet_id',
        'amount',
        'balance_before',
        'balance_after',
        'type',
        'status',
        'gateway',
        'gateway_reference_id',
        'description',
        'admin_notes',
        'created_by',
        'approved_by',
        'approved_at',
        'transactionable_type',
        'transactionable_id',
        'ip_address',
        'user_agent',
        'metadata',
    ];

    protected $casts = [
        'amount' => 'decimal:2',
        'balance_before' => 'decimal:2',
        'balance_after' => 'decimal:2',
        'type' => TransactionType::class,
        'status' => TransactionStatus::class,
        'gateway' => PaymentGateway::class,
        'approved_at' => 'datetime',
        'metadata' => 'array',
    ];

    public function wallet(): BelongsTo
    {
        return $this->belongsTo(Wallet::class);
    }

    public function creator(): BelongsTo
    {
        return $this->belongsTo(User::class, 'created_by');
    }

    public function approver(): BelongsTo
    {
        return $this->belongsTo(User::class, 'approved_by');
    }

    public function transactionable(): MorphTo
    {
        return $this->morphTo();
    }

    // Scopes
    public function scopeCompleted($query)
    {
        return $query->where('status', TransactionStatus::COMPLETED);
    }

    public function scopePending($query)
    {
        return $query->where('status', TransactionStatus::PENDING);
    }

    public function scopeDeposits($query)
    {
        return $query->where('type', TransactionType::DEPOSIT);
    }

    public function scopeWithdrawals($query)
    {
        return $query->where('type', TransactionType::WITHDRAWAL);
    }

    // Helper methods
    public function isCompleted(): bool
    {
        return $this->status === TransactionStatus::COMPLETED;
    }

    public function isPending(): bool
    {
        return $this->status === TransactionStatus::PENDING;
    }

    public function approve(?User $admin = null): bool
    {
        return $this->update([
            'status' => TransactionStatus::COMPLETED,
            'approved_by' => $admin?->id,
            'approved_at' => now(),
        ]);
    }

    public function fail(string $reason = null): bool
    {
        $metadata = $this->metadata ?? [];
        $metadata['fail_reason'] = $reason;

        return $this->update([
            'status' => TransactionStatus::FAILED,
            'metadata' => $metadata,
        ]);
    }

    public function getFormattedAmountAttribute(): string
    {
        $prefix = $this->amount >= 0 ? '+' : '';
        return $prefix . number_format($this->amount, 0) . ' ریال';
    }

    public function getGatewayLabelAttribute(): string
    {
        return $this->gateway?->label() ?? 'نامشخص';
    }
}