<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class ApiKey extends Model
{
    use HasFactory;

    protected $table = 'api_keys';
    protected $primaryKey = 'token';
    public $incrementing = false;
    protected $keyType = 'string';

    protected $fillable = [
        'token',
        'user_id',
        'key_alias',
        'key_name',
        'permissions',
        'models',
        'metadata',
        'expires',
    ];

    protected $casts = [
        'permissions' => 'array',
        'models' => 'array',
        'metadata' => 'array',
        'expires' => 'datetime',
        'created_at' => 'datetime',
        'updated_at' => 'datetime',
    ];

    /**
     * Get masked version of the key
     */
    public function getMaskedKeyAttribute(): string
    {
        return substr($this->token, 0, 8) . '...' . substr($this->token, -4);
    }

    /**
     * Check if key is active (not explicitly marked inactive)
     */
    public function getIsActiveAttribute(): bool
    {
        // For now, consider all keys active unless explicitly deleted
        return true;
    }

    /**
     * Check if key is expired
     */
    public function getIsExpiredAttribute(): bool
    {
        if (!$this->expires) {
            return false;
        }
        return $this->expires->isPast();
    }

    /**
     * Get last used at timestamp
     */
    public function getLastUsedAtAttribute()
    {
        $latestLog = $this->usageLogs()->latest('timestamp')->first();
        return $latestLog ? $latestLog->timestamp : null;
    }

    public function gatewayUser()
    {
        return $this->belongsTo(GatewayUser::class, 'user_id', 'user_id');
    }

    // Alias for backwards compatibility
    public function user()
    {
        return $this->gatewayUser();
    }

    public function usageLogs()
    {
        return $this->hasMany(UsageLog::class, 'api_key', 'token');
    }
}