<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Project extends Model
{
    protected $fillable = [
        'title', 'description', 'client', 'project_manager_id', 'department_id', 'start_date', 'end_date',
        'priority', 'status', 'progress', 'risk_level', 'budget', 'estimated_hours',
        'actual_hours', 'tags', 'notes', 'is_archived', 'created_by',
    ];

    protected $casts = [
        'tags' => 'array',
        'start_date' => 'date',
        'end_date' => 'date',
        'is_archived' => 'boolean',
        'budget' => 'decimal:2',
        'estimated_hours' => 'decimal:2',
        'actual_hours' => 'decimal:2',
    ];

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

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

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

    public function members(): BelongsToMany
    {
        return $this->belongsToMany(User::class, 'project_user')->withPivot('role_in_project')->withTimestamps();
    }

    public function tasks(): HasMany
    {
        return $this->hasMany(Task::class);
    }

    public function sprints(): HasMany
    {
        return $this->hasMany(Sprint::class);
    }

    public function meetings(): HasMany
    {
        return $this->hasMany(Meeting::class);
    }

    public function backlogItems(): HasMany
    {
        return $this->hasMany(BacklogItem::class);
    }
}