<?php

namespace App\Models;

use App\Enums\SourceStatus;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Source extends Model
{
    protected $fillable = ['nom', 'description', 'source_type_id', 'depot_id', 'section_id', 'lieu_id', 'annee_debut', 'annee_fin', 'cote', 'auteur', 'status'];

    protected $casts = [
        'status' => SourceStatus::class,
    ];

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

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

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

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

    public function membres(): BelongsToMany
    {
        return $this->belongsToMany(User::class, 'source_user');
    }

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

    public function isVisibleBy(User $user): bool
    {
        if ($user->isAdmin() || $user->isSectionManager()) {
            return true;
        }
        if ($this->status === SourceStatus::Termine) {
            return true;
        }
        return $this->membres()->where('user_id', $user->id)->exists();
    }

    public function canTransitionTo(SourceStatus $new, User $user): bool
    {
        if (! in_array($new, $this->status->transitions())) {
            return false;
        }

        return match ($new) {
            SourceStatus::AValider => $user->isAdmin() || $user->isSectionManager()
                || $this->membres()->where('user_id', $user->id)->exists(),
            SourceStatus::Termine, SourceStatus::EnCours => $user->isAdmin() || $user->isSectionManager(),
            default => false,
        };
    }
}