<?php

namespace App\Policies;

use App\Models\TranscriptionProject;
use App\Models\User;

class TranscriptionProjectPolicy
{
    // Admin TIDAK boleh view detail (kandungan)
    public function view(User $user, TranscriptionProject $project): bool
    {
        return $project->isAccessibleBy($user);
    }

    // Admin TIDAK boleh view metadata content — hanya metadata minimum via viewMetadata
    public function viewMetadata(User $user, TranscriptionProject $project): bool
    {
        return $user->isAdmin() || $project->isAccessibleBy($user);
    }

    public function create(User $user): bool
    {
        // Admin juga kakitangan — boleh cipta projek sendiri
        return $user->isActive();
    }

    public function update(User $user, TranscriptionProject $project): bool
    {
        return $project->isAccessibleBy($user);
    }

    public function delete(User $user, TranscriptionProject $project): bool
    {
        return $project->isOwnedBy($user);
    }

    public function viewAudio(User $user, TranscriptionProject $project): bool
    {
        return $project->isAccessibleBy($user);
    }

    public function viewTranscript(User $user, TranscriptionProject $project): bool
    {
        return $project->isAccessibleBy($user);
    }

    public function editTranscript(User $user, TranscriptionProject $project): bool
    {
        if ($project->isOwnedBy($user)) {
            return true;
        }
        // Viewer collaborator tidak boleh edit — editor sahaja
        return $project->collaborators()
            ->where('user_id', $user->id)
            ->wherePivot('role', 'editor')
            ->exists();
    }

    public function manageCollaborators(User $user, TranscriptionProject $project): bool
    {
        return $project->isOwnedBy($user);
    }

    public function retryTranscription(User $user, TranscriptionProject $project): bool
    {
        return $project->isOwnedBy($user) && $project->isFailed();
    }

    public function transferOwner(User $user, TranscriptionProject $project): bool
    {
        return $user->isAdmin();
    }

    public function viewVersionHistory(User $user, TranscriptionProject $project): bool
    {
        return $project->isAccessibleBy($user);
    }

    public function restoreVersion(User $user, TranscriptionProject $project): bool
    {
        if ($project->isOwnedBy($user)) {
            return true;
        }
        return $project->collaborators()
            ->where('user_id', $user->id)
            ->wherePivot('role', 'editor')
            ->exists();
    }
}