<?php

namespace App\Policies;

use App\Models\Task;
use App\Models\User;
use App\Support\AccessControl;

class TaskPolicy
{
    public function viewAny(User $user): bool
    {
        return $user->can('view_own_tasks') || $user->can('view_team_tasks') || $user->can('view_all_tasks');
    }

    public function view(User $user, Task $task): bool
    {
        return AccessControl::canAccessTask($user, $task);
    }

    public function create(User $user): bool
    {
        return $user->can('create_tasks');
    }

    public function update(User $user, Task $task): bool
    {
        return $task->created_by === $user->id
            && $this->view($user, $task)
            && ($user->can('edit_own_tasks') || $user->can('edit_team_tasks'));
    }

    public function assign(User $user, Task $task, ?int $newAssigneeId = null): bool
    {
        if (! $this->view($user, $task)) {
            return false;
        }

        $isReassign = $task->assigned_to !== null && $task->assigned_to !== $newAssigneeId;

        return $isReassign ? $user->can('reassign_tasks') : $user->can('assign_tasks');
    }

    public function transition(User $user, Task $task): bool
    {
        return $user->can('complete_tasks')
            && ($task->assigned_to === $user->id || $task->created_by === $user->id)
            && $this->view($user, $task);
    }

    public function delete(User $user, Task $task): bool
    {
        return $task->created_by === $user->id
            && $user->can('delete_tasks')
            && $this->view($user, $task);
    }

    public function bulkManage(User $user): bool
    {
        return $user->can('bulk_manage_tasks');
    }
}