<?php

namespace App\Controllers\Api;

use CodeIgniter\HTTP\ResponseInterface;

class SalesStaffController extends BaseApiController
{
    /**
     * Get sales staff list
     */
    public function index()
    {
        $auth = $this->requireAuth();
        if ($auth instanceof ResponseInterface) {
            return $auth;
        }

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

        // Search filters
        $showroom = $this->request->getGet('showroom');
        $team = $this->request->getGet('team');
        $position = $this->request->getGet('position');
        $keyword = $this->request->getGet('keyword');
        $name = $this->request->getGet('name');
        $isAct = $this->request->getGet('is_act');

        if ($showroom) {
            $builder->where('showroom', $showroom);
        }

        if ($team) {
            $builder->where('team', $team);
        }

        if ($position) {
            $builder->where('position', $position);
        }

        // is_act 필터링 (파라미터가 있을 때만)
        // 문자열 비교를 위해 형변환 없이 처리
        if ($isAct !== null && $isAct !== '' && $isAct !== false) {
            $builder->where('is_act', strval($isAct));
        }

        // keyword가 있으면 전체 검색 (이름, 직책, 대표번호, 이메일, 전시장, 팀)
        if ($keyword) {
            $builder->groupStart()
                ->like('name', $keyword)
                ->orLike('position', $keyword)
                ->orLike('main_phone', $keyword)
                ->orLike('email', $keyword)
                ->orLike('showroom', $keyword)
                ->orLike('team', $keyword)
                ->groupEnd();
        } else if ($name) {
            // name 파라미터는 이름만 검색 (하위 호환성)
            $builder->like('name', $name);
        }

        // 최신 등록순으로 정렬 (id 내림차순)
        $builder->orderBy('id', 'DESC');
        $result = $this->paginatedResponse($builder, $params);

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

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

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

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

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

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

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

        $data = [
            'showroom' => $json->showroom ?? '',
            'team' => $json->team ?? '',
            'name' => $json->name ?? '',
            'position' => (string)($json->position ?? ''),
            'main_phone' => $json->main_phone ?? '',
            'direct_phone' => $json->direct_phone ?? '',
            'email' => $json->email ?? '',
            'photo_url' => $json->photo_url ?? '',
            'is_sact' => $json->is_sact ?? 0,
            'is_goldplt' => $json->is_goldplt ?? 0,
            'is_top30' => $json->is_top30 ?? 0,
            'is_best_advisor' => $json->is_best_advisor ?? 0,
            'is_best_advisor_year' => $json->is_best_advisor_year ?? 0,
            'display_order' => $json->display_order ?? 0,
            'created_at' => date('Y-m-d H:i:s')
        ];

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

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

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

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

        $data = [
            'showroom' => $json->showroom ?? '',
            'team' => $json->team ?? '',
            'name' => $json->name ?? '',
            'position' => (string)($json->position ?? ''),
            'main_phone' => $json->main_phone ?? '',
            'direct_phone' => $json->direct_phone ?? '',
            'email' => $json->email ?? '',
            'photo_url' => $json->photo_url ?? '',
            'is_sact' => $json->is_sact ?? 0,
            'is_goldplt' => $json->is_goldplt ?? 0,
            'is_top30' => $json->is_top30 ?? 0,
            'is_best_advisor' => $json->is_best_advisor ?? 0,
            'is_best_advisor_year' => $json->is_best_advisor_year ?? 0,
            'display_order' => $json->display_order ?? 0,
            'updated_at' => date('Y-m-d H:i:s')
        ];

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

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

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

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

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

    /**
     * Print single
     */
    public function printSingle($id)
    {
        $auth = $this->requireAuth();
        if ($auth instanceof ResponseInterface) {
            return $auth;
        }

        // TODO: Implement print logic
        return $this->respondSuccess(null, 'Print endpoint');
    }

    /**
     * Toggle is_act status (노출/비노출 토글)
     */
    public function toggleActive($id = null)
    {
        $auth = $this->requireAuth();
        if ($auth instanceof ResponseInterface) {
            return $auth;
        }

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

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

        // Toggle is_act: 1 -> 0, 0 -> 1
        $newStatus = $staff->is_act == 1 ? 0 : 1;

        $builder->where('id', $id)->update([
            'is_act' => $newStatus,
            'updated_at' => date('Y-m-d H:i:s')
        ]);

        $statusText = $newStatus == 1 ? '노출' : '비노출';
        return $this->respondSuccess(
            ['is_act' => $newStatus],
            "영업사원이 {$statusText} 상태로 변경되었습니다."
        );
    }

    /**
     * Toggle is_best_advisor status (Best Sales Advisor 토글)
     */
    public function toggleBestAdvisor($id = null)
    {
        $auth = $this->requireAuth();
        if ($auth instanceof ResponseInterface) {
            return $auth;
        }

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

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

        // Toggle is_best_advisor: 1 -> 0, 0 -> 1
        $newStatus = $staff->is_best_advisor == 1 ? 0 : 1;

        $builder->where('id', $id)->update([
            'is_best_advisor' => $newStatus,
            'updated_at' => date('Y-m-d H:i:s')
        ]);

        $statusText = $newStatus == 1 ? 'Best Sales Advisor로 지정' : 'Best Sales Advisor 해제';
        return $this->respondSuccess(
            ['is_best_advisor' => $newStatus],
            "{$statusText}되었습니다."
        );
    }

    /**
     * Toggle is_best_advisor_year status (Best Sales Advisor Year 토글)
     */
    public function toggleBestAdvisorYear($id = null)
    {
        $auth = $this->requireAuth();
        if ($auth instanceof ResponseInterface) {
            return $auth;
        }

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

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

        // Toggle is_best_advisor_year: 1 -> 0, 0 -> 1
        $newStatus = $staff->is_best_advisor_year == 1 ? 0 : 1;

        $builder->where('id', $id)->update([
            'is_best_advisor_year' => $newStatus,
            'updated_at' => date('Y-m-d H:i:s')
        ]);

        $statusText = $newStatus == 1 ? 'Best Sales Advisor (Year)로 지정' : 'Best Sales Advisor (Year) 해제';
        return $this->respondSuccess(
            ['is_best_advisor_year' => $newStatus],
            "{$statusText}되었습니다."
        );
    }

    /**
     * Get public sales staff list (No authentication required)
     * 공개 API - 인증 없이 영업사원 목록 조회
     */
    public function publicList()
    {
        try {
            $builder = $this->getDB()->table('sales_staff');

            // Filter by showroom
            $showroom = $this->request->getGet('showroom');
            if ($showroom) {
                $builder->where('showroom', $showroom);
            }

            // Only show active sales staff (is_act = 1)
            $builder->where('is_act', 1);

            $builder->orderBy('id', 'DESC');

            $salesStaff = $builder->get()->getResult();

            return $this->respondSuccess($salesStaff);
        } catch (\Exception $e) {
            log_message('error', 'Sales staff public list error: ' . $e->getMessage());
            log_message('error', 'Stack trace: ' . $e->getTraceAsString());
            return $this->respondError('서버 오류가 발생했습니다: ' . $e->getMessage(), ResponseInterface::HTTP_INTERNAL_SERVER_ERROR);
        }
    }

    /**
     * Get best advisors list (No authentication required)
     * 공개 API - Best Sales Advisor 목록 조회
     */
    public function bestAdvisors()
    {
        try {
            $builder = $this->getDB()->table('sales_staff');

            // Filter by showroom (optional)
            $showroom = $this->request->getGet('showroom');
            if ($showroom) {
                $builder->where('showroom', $showroom);
            }

            // Only show active and best advisors
            $builder->where('is_act', 1);
            $builder->where('is_best_advisor', 1);

            // Order by display_order, then by id DESC
            $builder->orderBy('display_order', 'ASC');
            $builder->orderBy('id', 'DESC');

            $bestAdvisors = $builder->get()->getResult();

            return $this->respondSuccess($bestAdvisors);
        } catch (\Exception $e) {
            log_message('error', 'Best advisors list error: ' . $e->getMessage());
            log_message('error', 'Stack trace: ' . $e->getTraceAsString());
            return $this->respondError('서버 오류가 발생했습니다: ' . $e->getMessage(), ResponseInterface::HTTP_INTERNAL_SERVER_ERROR);
        }
    }

    /**
     * Get best advisors year list (No authentication required)
     * 공개 API - Best Sales Advisor (Year) 목록 조회
     */
    public function bestAdvisorsYear()
    {
        try {
            $builder = $this->getDB()->table('sales_staff');

            // Filter by showroom (optional)
            $showroom = $this->request->getGet('showroom');
            if ($showroom) {
                $builder->where('showroom', $showroom);
            }

            // Only show active and best advisors (year)
            $builder->where('is_act', 1);
            $builder->where('is_best_advisor_year', 1);

            // Order by display_order, then by id DESC
            $builder->orderBy('display_order', 'ASC');
            $builder->orderBy('id', 'DESC');

            $bestAdvisorsYear = $builder->get()->getResult();

            return $this->respondSuccess($bestAdvisorsYear);
        } catch (\Exception $e) {
            log_message('error', 'Best advisors year list error: ' . $e->getMessage());
            log_message('error', 'Stack trace: ' . $e->getTraceAsString());
            return $this->respondError('서버 오류가 발생했습니다: ' . $e->getMessage(), ResponseInterface::HTTP_INTERNAL_SERVER_ERROR);
        }
    }
}