<?php

declare(strict_types=1);

namespace App\Policies;

use App\Models\Core\User;
use App\Models\Proposals\Proposal;

class ProposalPolicy
{
    /**
     * Determine whether the user can view any proposals.
     */
    public function viewAny(User $user): bool
    {
        return true;
    }

    /**
     * Determine whether the user can view the proposal.
     */
    public function view(User $user, Proposal $proposal): bool
    {
        if ($user->isAdmin()) {
            return true;
        }

        // Client users can only view sent/viewed/approved/rejected proposals
        if (! $proposal->isDraft()) {
            return $user->belongsToClient($proposal->client);
        }

        return false;
    }

    /**
     * Determine whether the user can create proposals.
     */
    public function create(User $user): bool
    {
        return $user->isAdmin();
    }

    /**
     * Determine whether the user can update the proposal.
     */
    public function update(User $user, Proposal $proposal): bool
    {
        if (! $user->isAdmin()) {
            return false;
        }

        return $proposal->canBeEdited();
    }

    /**
     * Determine whether the user can delete the proposal.
     */
    public function delete(User $user, Proposal $proposal): bool
    {
        if (! $user->isAdmin()) {
            return false;
        }

        // Can only delete draft proposals
        return $proposal->isDraft();
    }

    /**
     * Determine whether the user can send the proposal.
     */
    public function send(User $user, Proposal $proposal): bool
    {
        if (! $user->isAdmin()) {
            return false;
        }

        return $proposal->canBeSent();
    }

    /**
     * Determine whether the user can respond to the proposal (approve/reject).
     */
    public function respond(User $user, Proposal $proposal): bool
    {
        if ($user->isAdmin()) {
            return false;
        }

        if (! $proposal->canBeRespondedTo()) {
            return false;
        }

        return $user->belongsToClient($proposal->client);
    }

    /**
     * Determine whether the user can add a comment.
     */
    public function comment(User $user, Proposal $proposal): bool
    {
        if ($user->isAdmin()) {
            return true;
        }

        // Client users can comment on non-draft proposals
        if ($proposal->isDraft()) {
            return false;
        }

        return $user->belongsToClient($proposal->client);
    }

    /**
     * Determine whether the user can add internal comments.
     */
    public function commentInternal(User $user, Proposal $proposal): bool
    {
        return $user->isAdmin();
    }

    /**
     * Determine whether the user can convert the proposal to a project.
     */
    public function convertToProject(User $user, Proposal $proposal): bool
    {
        if (! $user->isAdmin()) {
            return false;
        }

        return $proposal->canBeConvertedToProject();
    }

    /**
     * Determine whether the user can duplicate the proposal.
     */
    public function duplicate(User $user, Proposal $proposal): bool
    {
        return $user->isAdmin();
    }
}