<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Carbon\Carbon;

class KpiTarget extends Model
{
    use HasFactory;
    
    protected $fillable = [
        'user_id',
        'target_value',
        'is_active',
        'description'
    ];

    protected $casts = [
        'is_active' => 'boolean'
    ];

    protected $attributes = [
        'is_active' => true
    ];

    /**
     * Get the user that owns the KPI target
     */
    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    /**
     * Get the achievements for this target
     */
    public function achievements(): HasMany
    {
        return $this->hasMany(KpiAchievement::class);
    }

    /**
     * Scope to get active targets
     */
    public function scopeActive($query)
    {
        return $query->where('is_active', true);
    }

    /**
     * Check if target is currently active
     */
    public function isCurrentlyActive(): bool
    {
        return $this->is_active;
    }
}