<?php

namespace App\Controllers\Api;

use CodeIgniter\HTTP\ResponseInterface;

class AdvisorController extends BaseApiController
{
    /**
     * Get service center name from code
     */
    private function getServiceCenterName($code)
    {
        $centers = [
            'CA' => '성수서비스센터',
            'CB' => '수원서비스센터',
            'CC' => '대전서비스센터',
            'CD' => '광주서비스센터'
        ];
        return $centers[$code] ?? $code;
    }

    /**
     * Get service center codes from search keyword
     */
    private function getServiceCenterCodes($keyword)
    {
        $centers = [
            'CA' => '성수서비스센터',
            'CB' => '수원서비스센터',
            'CC' => '대전서비스센터',
            'CD' => '광주서비스센터'
        ];

        $matchedCodes = [];
        foreach ($centers as $code => $name) {
            // 코드 또는 이름에 키워드가 포함되어 있으면 추가
            if (stripos($code, $keyword) !== false || stripos($name, $keyword) !== false) {
                $matchedCodes[] = $code;
            }
        }

        return $matchedCodes;
    }

    /**
     * Get advisor list
     */
    public function index()
    {
        $auth = $this->requireAuth();
        if ($auth instanceof ResponseInterface) {
            return $auth;
        }

        $params = $this->getPaginationParams();
        $builder = $this->getDB()->table('advisors');

        // Search
        $searchType = $this->request->getGet('search_type');
        $searchKeyword = $this->request->getGet('search_keyword');

        if ($searchKeyword) {
            if ($searchType === 'name') {
                $builder->like('name', $searchKeyword);
            } elseif ($searchType === 'service_center') {
                // 서비스센터 검색: 코드나 이름으로 검색
                $matchedCodes = $this->getServiceCenterCodes($searchKeyword);
                if (!empty($matchedCodes)) {
                    $builder->whereIn('service_center', $matchedCodes);
                } else {
                    // 매칭되는 것이 없으면 결과 없음
                    $builder->where('1=0');
                }
            } elseif ($searchType === 'all' || !$searchType) {
                // 전체 검색: 이름, 서비스센터(코드+이름), 대표번호에서 검색
                $matchedCodes = $this->getServiceCenterCodes($searchKeyword);

                $builder->groupStart()
                    ->like('name', $searchKeyword)
                    ->orLike('main_phone', $searchKeyword);

                // 서비스센터 코드 매칭이 있으면 추가
                if (!empty($matchedCodes)) {
                    $builder->orWhereIn('service_center', $matchedCodes);
                }

                $builder->groupEnd();
            }
        }

        $builder->orderBy('id', 'DESC');
        $result = $this->paginatedResponse($builder, $params);

        // Add service_center_name to each item
        if (isset($result['items'])) {
            foreach ($result['items'] as &$item) {
                $item->service_center_name = $this->getServiceCenterName($item->service_center);
            }
        }

        return $this->respondSuccess($result);
    }

    /**
     * Get single advisor
     */
    public function show($id = null)
    {
        $auth = $this->requireAuth();
        if ($auth instanceof ResponseInterface) {
            return $auth;
        }

        $builder = $this->getDB()->table('advisors');
        $advisor = $builder->where('id', $id)->get()->getRow();

        if (!$advisor) {
            return $this->respondError('어드바이저를 찾을 수 없습니다.', ResponseInterface::HTTP_NOT_FOUND);
        }

        // Add service_center_name
        $advisor->service_center_name = $this->getServiceCenterName($advisor->service_center);

        return $this->respondSuccess($advisor);
    }

    /**
     * Create advisor
     */
    public function create()
    {
        $auth = $this->requireAuth();
        if ($auth instanceof ResponseInterface) {
            return $auth;
        }

        $json = $this->request->getJSON();

        $data = [
            'service_center' => $json->service_center ?? '',
            'name' => $json->name ?? '',
            'main_phone' => $json->main_phone ?? '',
            'direct_phone' => $json->direct_phone ?? '',
            'photo_url' => $json->photo_url ?? '',
            'created_at' => date('Y-m-d H:i:s')
        ];

        $builder = $this->getDB()->table('advisors');
        $builder->insert($data);

        return $this->respondSuccess(['id' => $this->getDB()->insertID()], '어드바이저가 등록되었습니다.');
    }

    /**
     * Update advisor
     */
    public function update($id = null)
    {
        $auth = $this->requireAuth();
        if ($auth instanceof ResponseInterface) {
            return $auth;
        }

        $json = $this->request->getJSON();

        $data = [
            'service_center' => $json->service_center ?? '',
            'name' => $json->name ?? '',
            'main_phone' => $json->main_phone ?? '',
            'direct_phone' => $json->direct_phone ?? '',
            'photo_url' => $json->photo_url ?? '',
            'updated_at' => date('Y-m-d H:i:s')
        ];

        $builder = $this->getDB()->table('advisors');
        $builder->where('id', $id)->update($data);

        return $this->respondSuccess(null, '어드바이저가 수정되었습니다.');
    }

    /**
     * Delete advisor
     */
    public function delete($id = null)
    {
        $auth = $this->requireAuth();
        if ($auth instanceof ResponseInterface) {
            return $auth;
        }

        $builder = $this->getDB()->table('advisors');
        $builder->where('id', $id)->delete();

        return $this->respondSuccess(null, '어드바이저가 삭제되었습니다.');
    }
}