<?php

namespace App\Policies;

use App\Models\ExistingBusiness;
use App\Models\User;

class ExistingBusinessPolicy
{
    public function create(User $user): bool
    {
        return $user->hasVerifiedEmail();
    }

    public function update(User $user, ExistingBusiness $business): bool
    {
        return $this->owns($user, $business) && in_array($business->status, ['draft', 'needs_information'], true);
    }

    public function view(User $user, ExistingBusiness $business): bool
    {
        if ($this->owns($user, $business) || $this->review($user, $business) || $this->triage($user, $business)
            || $this->approveLevelOne($user, $business) || $this->approveLevelTwo($user, $business) || $this->publish($user, $business)) {
            return true;
        }

        return ! $business->trashed() && $business->owner_user_id !== $user->id
            && in_array($business->status, ['rejected', 'published', 'suspended', 'cancelled', 'archived'], true)
            && $this->reviewQueue($user);
    }

    public function delete(User $user, ExistingBusiness $business): bool
    {
        return $this->update($user, $business);
    }

    public function owns(User $user, ExistingBusiness $business): bool
    {
        return $user->hasVerifiedEmail() && $business->owner_user_id === $user->id && ! $business->trashed();
    }

    public function review(User $user, ExistingBusiness $business): bool
    {
        return ! $business->trashed() && $business->owner_user_id !== $user->id
            && in_array($business->status, ['triage', 'in_review', 'needs_information'], true)
            && $this->designated($user, 'reviewers');
    }

    public function triage(User $user, ExistingBusiness $business): bool
    {
        return ! $business->trashed() && $business->owner_user_id !== $user->id
            && in_array($business->status, ['submitted', 'triage'], true)
            && $this->designated($user, 'triagers');
    }

    public function approveLevelOne(User $user, ExistingBusiness $business): bool
    {
        return ! $business->trashed() && $business->owner_user_id !== $user->id
            && $business->status === 'approval_l1'
            && $this->designated($user, 'approvers_l1');
    }

    public function approveLevelTwo(User $user, ExistingBusiness $business): bool
    {
        return ! $business->trashed() && $business->owner_user_id !== $user->id
            && $business->status === 'approval_l2'
            && $this->designated($user, 'approvers_l2');
    }

    public function publish(User $user, ExistingBusiness $business): bool
    {
        return ! $business->trashed() && $business->owner_user_id !== $user->id
            && $business->status === 'approved'
            && $this->designated($user, 'publishers');
    }

    public function reviewQueue(User $user): bool
    {
        foreach (['reviewers', 'triagers', 'approvers_l1', 'approvers_l2', 'publishers'] as $designation) {
            if ($this->designated($user, $designation)) {
                return true;
            }
        }

        return false;
    }

    private function designated(User $user, string $designation): bool
    {
        return $user->hasVerifiedEmail() && $user->can('manage-portal')
            && (bool) $user->two_factor_confirmed_at && (bool) $user->two_factor_secret
            && in_array(strtolower($user->email), config('existing-business.'.$designation, []), true);
    }
}