<?php
/**
 * User roles and capabilities.
 *
 * @package WP_FediStream
 */

namespace WP_FediStream\Roles;

// Prevent direct file access.
if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

/**
 * Capabilities class.
 *
 * Handles custom user roles and capabilities.
 */
class Capabilities {

    /**
     * Post type capabilities.
     *
     * @var array
     */
    private const POST_TYPE_CAPS = array(
        'fedistream_artist'   => array(
            'edit_post'          => 'edit_fedistream_artist',
            'read_post'          => 'read_fedistream_artist',
            'delete_post'        => 'delete_fedistream_artist',
            'edit_posts'         => 'edit_fedistream_artists',
            'edit_others_posts'  => 'edit_others_fedistream_artists',
            'publish_posts'      => 'publish_fedistream_artists',
            'read_private_posts' => 'read_private_fedistream_artists',
        ),
        'fedistream_album'    => array(
            'edit_post'          => 'edit_fedistream_album',
            'read_post'          => 'read_fedistream_album',
            'delete_post'        => 'delete_fedistream_album',
            'edit_posts'         => 'edit_fedistream_albums',
            'edit_others_posts'  => 'edit_others_fedistream_albums',
            'publish_posts'      => 'publish_fedistream_albums',
            'read_private_posts' => 'read_private_fedistream_albums',
        ),
        'fedistream_track'    => array(
            'edit_post'          => 'edit_fedistream_track',
            'read_post'          => 'read_fedistream_track',
            'delete_post'        => 'delete_fedistream_track',
            'edit_posts'         => 'edit_fedistream_tracks',
            'edit_others_posts'  => 'edit_others_fedistream_tracks',
            'publish_posts'      => 'publish_fedistream_tracks',
            'read_private_posts' => 'read_private_fedistream_tracks',
        ),
        'fedistream_playlist' => array(
            'edit_post'          => 'edit_fedistream_playlist',
            'read_post'          => 'read_fedistream_playlist',
            'delete_post'        => 'delete_fedistream_playlist',
            'edit_posts'         => 'edit_fedistream_playlists',
            'edit_others_posts'  => 'edit_others_fedistream_playlists',
            'publish_posts'      => 'publish_fedistream_playlists',
            'read_private_posts' => 'read_private_fedistream_playlists',
        ),
    );

    /**
     * Taxonomy capabilities.
     *
     * @var array
     */
    private const TAXONOMY_CAPS = array(
        'manage_fedistream_genres',
        'manage_fedistream_moods',
        'manage_fedistream_licenses',
    );

    /**
     * Custom capabilities.
     *
     * @var array
     */
    private const CUSTOM_CAPS = array(
        'view_fedistream_stats',
        'manage_fedistream_settings',
    );

    /**
     * Get all custom capabilities.
     *
     * @return array Array of all custom capabilities.
     */
    public static function get_all_capabilities(): array {
        $caps = array();

        // Post type capabilities.
        foreach ( self::POST_TYPE_CAPS as $post_type_caps ) {
            $caps = array_merge( $caps, array_values( $post_type_caps ) );
        }

        // Delete capabilities.
        $caps[] = 'delete_fedistream_artists';
        $caps[] = 'delete_others_fedistream_artists';
        $caps[] = 'delete_published_fedistream_artists';
        $caps[] = 'delete_private_fedistream_artists';
        $caps[] = 'delete_fedistream_albums';
        $caps[] = 'delete_others_fedistream_albums';
        $caps[] = 'delete_published_fedistream_albums';
        $caps[] = 'delete_private_fedistream_albums';
        $caps[] = 'delete_fedistream_tracks';
        $caps[] = 'delete_others_fedistream_tracks';
        $caps[] = 'delete_published_fedistream_tracks';
        $caps[] = 'delete_private_fedistream_tracks';
        $caps[] = 'delete_fedistream_playlists';
        $caps[] = 'delete_others_fedistream_playlists';
        $caps[] = 'delete_published_fedistream_playlists';
        $caps[] = 'delete_private_fedistream_playlists';

        // Taxonomy capabilities.
        $caps = array_merge( $caps, self::TAXONOMY_CAPS );

        // Custom capabilities.
        $caps = array_merge( $caps, self::CUSTOM_CAPS );

        return array_unique( $caps );
    }

    /**
     * Get Artist role capabilities.
     *
     * @return array Array of capabilities for the Artist role.
     */
    public static function get_artist_capabilities(): array {
        return array(
            // Core WordPress.
            'read'         => true,
            'upload_files' => true,

            // Own artists.
            'edit_fedistream_artists'           => true,
            'edit_published_fedistream_artists' => true,
            'publish_fedistream_artists'        => true,
            'delete_fedistream_artists'         => true,
            'delete_published_fedistream_artists' => true,

            // Own albums.
            'edit_fedistream_albums'           => true,
            'edit_published_fedistream_albums' => true,
            'publish_fedistream_albums'        => true,
            'delete_fedistream_albums'         => true,
            'delete_published_fedistream_albums' => true,

            // Own tracks.
            'edit_fedistream_tracks'           => true,
            'edit_published_fedistream_tracks' => true,
            'publish_fedistream_tracks'        => true,
            'delete_fedistream_tracks'         => true,
            'delete_published_fedistream_tracks' => true,

            // Own playlists.
            'edit_fedistream_playlists'           => true,
            'edit_published_fedistream_playlists' => true,
            'publish_fedistream_playlists'        => true,
            'delete_fedistream_playlists'         => true,
            'delete_published_fedistream_playlists' => true,

            // View stats.
            'view_fedistream_stats' => true,
        );
    }

    /**
     * Get Label role capabilities.
     *
     * @return array Array of capabilities for the Label role.
     */
    public static function get_label_capabilities(): array {
        $caps = self::get_artist_capabilities();

        // Add label-specific capabilities.
        $label_caps = array(
            // Manage others' content.
            'edit_others_fedistream_artists'      => true,
            'edit_others_fedistream_albums'       => true,
            'edit_others_fedistream_tracks'       => true,
            'edit_others_fedistream_playlists'    => true,
            'delete_others_fedistream_artists'    => true,
            'delete_others_fedistream_albums'     => true,
            'delete_others_fedistream_tracks'     => true,
            'delete_others_fedistream_playlists'  => true,
            'read_private_fedistream_artists'     => true,
            'read_private_fedistream_albums'      => true,
            'read_private_fedistream_tracks'      => true,
            'read_private_fedistream_playlists'   => true,
            'delete_private_fedistream_artists'   => true,
            'delete_private_fedistream_albums'    => true,
            'delete_private_fedistream_tracks'    => true,
            'delete_private_fedistream_playlists' => true,

            // Manage taxonomies.
            'manage_fedistream_genres'   => true,
            'manage_fedistream_moods'    => true,
            'manage_fedistream_licenses' => true,

            // View stats.
            'view_fedistream_stats' => true,
        );

        return array_merge( $caps, $label_caps );
    }

    /**
     * Add custom roles.
     *
     * @return void
     */
    public static function add_roles(): void {
        // Remove existing roles first to ensure clean slate.
        remove_role( 'fedistream_artist' );
        remove_role( 'fedistream_label' );

        // Add Artist role.
        add_role(
            'fedistream_artist',
            __( 'FediStream Artist', 'wp-fedistream' ),
            self::get_artist_capabilities()
        );

        // Add Label role.
        add_role(
            'fedistream_label',
            __( 'FediStream Label', 'wp-fedistream' ),
            self::get_label_capabilities()
        );
    }

    /**
     * Remove custom roles.
     *
     * @return void
     */
    public static function remove_roles(): void {
        remove_role( 'fedistream_artist' );
        remove_role( 'fedistream_label' );
    }

    /**
     * Add capabilities to administrator role.
     *
     * @return void
     */
    public static function add_admin_capabilities(): void {
        $admin = get_role( 'administrator' );

        if ( ! $admin ) {
            return;
        }

        // Add all custom capabilities.
        $all_caps = self::get_all_capabilities();
        foreach ( $all_caps as $cap ) {
            $admin->add_cap( $cap );
        }

        // Add management capability.
        $admin->add_cap( 'manage_fedistream_settings' );
    }

    /**
     * Remove capabilities from administrator role.
     *
     * @return void
     */
    public static function remove_admin_capabilities(): void {
        $admin = get_role( 'administrator' );

        if ( ! $admin ) {
            return;
        }

        // Remove all custom capabilities.
        $all_caps = self::get_all_capabilities();
        foreach ( $all_caps as $cap ) {
            $admin->remove_cap( $cap );
        }

        $admin->remove_cap( 'manage_fedistream_settings' );
    }

    /**
     * Install roles and capabilities.
     *
     * @return void
     */
    public static function install(): void {
        self::add_roles();
        self::add_admin_capabilities();
    }

    /**
     * Uninstall roles and capabilities.
     *
     * @return void
     */
    public static function uninstall(): void {
        self::remove_roles();
        self::remove_admin_capabilities();
    }
}