<?php

namespace App;

class Feature
{
    const PEMBIAYAAN_ONLINE = 'pembiayaan_online';

    /**
     * Known flag keys. New features: add a constant here, then INSERT rows for pilot kodcaw.
     *
     * @return string[]
     */
    public static function keys()
    {
        return [
            self::PEMBIAYAAN_ONLINE,
        ];
    }

    /**
     * @return array<string,int>
     */
    public static function defaults()
    {
        $map = [];
        foreach (self::keys() as $key) {
            $map[$key] = 0;
        }

        return $map;
    }

    /**
     * Display labels for admin UI. New features: add a label here.
     *
     * @return array<string,string>
     */
    public static function labels()
    {
        return [
            self::PEMBIAYAAN_ONLINE => 'Pembiayaan Online',
        ];
    }

    /**
     * Missing row is off (fail closed).
     *
     * @param string $kodcaw
     * @param string $feature
     * @return bool
     */
    public static function enabled($kodcaw, $feature)
    {
        return CawanganFeature::on('mysql7')
            ->where('kodcaw', $kodcaw)
            ->where('feature', $feature)
            ->where('enabled', 1)
            ->exists();
    }

    /**
     * @param string $kodcaw
     * @return array<string,int>
     */
    public static function mapFor($kodcaw)
    {
        $map = self::defaults();

        $rows = CawanganFeature::on('mysql7')
            ->where('kodcaw', $kodcaw)
            ->get(['feature', 'enabled']);

        foreach ($rows as $row) {
            $map[$row->feature] = ((int) $row->enabled) === 1 ? 1 : 0;
        }

        return $map;
    }

    /**
     * @param string[] $kodcaws
     * @return array<string,array<string,int>>
     */
    public static function mapForMany(array $kodcaws)
    {
        $defaults = self::defaults();
        $result = [];
        foreach ($kodcaws as $kodcaw) {
            $result[$kodcaw] = $defaults;
        }

        if (count($kodcaws) === 0) {
            return $result;
        }

        $rows = CawanganFeature::on('mysql7')
            ->whereIn('kodcaw', $kodcaws)
            ->get(['kodcaw', 'feature', 'enabled']);

        foreach ($rows as $row) {
            $result[$row->kodcaw][$row->feature] = ((int) $row->enabled) === 1 ? 1 : 0;
        }

        return $result;
    }

    /**
     * @param string $kodcaw
     * @param string $feature
     * @param bool|int $enabled
     * @return bool
     */
    public static function setEnabled($kodcaw, $feature, $enabled)
    {
        if (!in_array($feature, self::keys(), true)) {
            return false;
        }

        CawanganFeature::on('mysql7')->updateOrCreate(
            [
                'kodcaw' => $kodcaw,
                'feature' => $feature,
            ],
            [
                'enabled' => $enabled ? 1 : 0,
            ]
        );

        return true;
    }

    /**
     * @param string|null $message
     * @return array{ok:bool,status:int,payload:array}
     */
    public static function denied($message = null)
    {
        return [
            'ok' => false,
            'status' => 403,
            'payload' => [
                'message' => $message ?: 'Ciri ini tidak diaktifkan untuk cawangan ini',
            ],
        ];
    }
}