"use server";

import { getSEDPToken } from "@/lib/sedp/sedp-token";

interface SEDPTagData {
  [tableName: string]: Array<{
    TAG_NO: string;
    TAG_DESC: string;
    ATTRIBUTES: Array<{
      ATT_ID: string;
      VALUE: string;
    }>;
  }>;
}

interface SEDPTemplateData {
  templateId: string;
  content: string;
  projectNo: string;
  regTypeId: string;
  [key: string]: any;
}

// 🔍 실제 SEDP API 응답 구조 (대문자)
interface SEDPTemplateResponse {
  TMPL_ID: string;
  NAME: string;
  TMPL_TYPE: string;
  SPR_LST_SETUP?: {
    ACT_SHEET: string;
    HIDN_SHEETS: string[];
    CONTENT?: string;
    DATA_SHEETS: Array<{
      SHEET_NAME: string;
      REG_TYPE_ID: string;
      MAP_CELL_ATT: Array<{
        ATT_ID: string;
        IN: string;
      }>;
    }>;
  };
  GRD_LST_SETUP?: {
    REG_TYPE_ID: string;
    SPR_ITM_IDS: string[];
    ATTS: any[];
  };
  SPR_ITM_LST_SETUP?: {
    ACT_SHEET: string;
    HIDN_SHEETS: string[];
    CONTENT?: string;
    DATA_SHEETS: Array<{
      SHEET_NAME: string;
      REG_TYPE_ID: string;
      MAP_CELL_ATT: Array<{
        ATT_ID: string;
        IN: string;
      }>;
    }>;
  };
  [key: string]: any;
}

/**
 * SEDP에서 태그 데이터를 가져오는 서버 액션
 */
export async function fetchTagDataFromSEDP(
  projectCode: string, 
  formCode: string
): Promise<SEDPTagData> {
  try {
    // Get the token
    const apiKey = await getSEDPToken();

    // Define the API base URL
    const SEDP_API_BASE_URL = process.env.SEDP_API_BASE_URL || 'http://sedpwebapi.ship.samsung.co.kr/api';

    // Make the API call
    const response = await fetch(
      `${SEDP_API_BASE_URL}/Data/GetPubData`,
      {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'accept': '*/*',
          'ApiKey': apiKey,
          'ProjectNo': projectCode
        },
        body: JSON.stringify({
          ProjectNo: projectCode,
          REG_TYPE_ID: formCode,
          ContainDeleted: false
        })
      }
    );

    if (!response.ok) {
      const errorText = await response.text();
      throw new Error(`SEDP API request failed: ${response.status} ${response.statusText} - ${errorText}`);
    }

    const data = await response.json();
    return data as SEDPTagData;
  } catch (error: unknown) {
    console.error('Error calling SEDP API:', error);
    const errorMessage = error instanceof Error ? error.message : 'Unknown error';
    throw new Error(`Failed to fetch data from SEDP API: ${errorMessage}`);
  }
}

/**
 * SEDP에서 템플릿 데이터를 가져오는 서버 액션
 */
export async function fetchTemplateFromSEDP(
  projectCode: string, 
  formCode: string
): Promise<SEDPTemplateResponse[]> {
  try {
    // Get the token
    const apiKey = await getSEDPToken();

    // Define the API base URL
    const SEDP_API_BASE_URL = process.env.SEDP_API_BASE_URL || 'http://sedpwebapi.ship.samsung.co.kr/api';

    const responseAdapter = await fetch(
      `${SEDP_API_BASE_URL}/AdapterDataMapping/GetByToolID`,
      {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'accept': '*/*',
          'ApiKey': apiKey,
          'ProjectNo': projectCode
        },
        body: JSON.stringify({
          ProjectNo: projectCode,
          "TOOL_ID": "eVCP"
        })
      }
    );

    if (!responseAdapter.ok) {
      throw new Error(`새 레지스터 요청 실패: ${responseAdapter.status} ${responseAdapter.statusText}`);
    }

    const dataAdapter = await responseAdapter.json();
    const templateList = dataAdapter.find(v => v.REG_TYPE_ID === formCode)?.MAP_TMPLS || [];

    // 각 TMPL_ID에 대해 API 호출
    const templatePromises = templateList.map(async (tmplId: string) => {
      const response = await fetch(
        `${SEDP_API_BASE_URL}/Template/GetByID`,
        {
          method: 'POST',
          headers: {
            'Content-Type': 'application/json',
            'accept': '*/*',
            'ApiKey': apiKey,
            'ProjectNo': projectCode
          },
          body: JSON.stringify({
            WithContent: true,
            ProjectNo: projectCode,
            TMPL_ID: tmplId
          })
        }
      );

      if (!response.ok) {
        const errorText = await response.text();
        throw new Error(`SEDP Template API request failed for TMPL_ID ${tmplId}: ${response.status} ${response.statusText} - ${errorText}`);
      }

      const data = await response.json();
      
      // 🔍 API 응답 데이터 구조 확인 및 로깅
      console.log('🔍 SEDP Template API Response for', tmplId, ':', {
        hasTMPL_ID: !!data.TMPL_ID,
        hasTemplateId: !!(data as any).templateId,
        keys: Object.keys(data),
        sample: data
      });
      
      // 🔍 TMPL_ID 필드 검증
      if (!data.TMPL_ID) {
        console.error('❌ Missing TMPL_ID in API response:', data);
        // templateId가 있다면 변환 시도
        if ((data as any).templateId) {
          console.warn('⚠️ Found templateId instead of TMPL_ID, converting...');
          data.TMPL_ID = (data as any).templateId;
        }
      }
      
      return data as SEDPTemplateResponse;
    });

    // 모든 API 호출을 병렬로 실행하고 결과를 수집
    const templates = await Promise.all(templatePromises);
    
    // 🔍 null이나 undefined가 아닌 값들만 필터링하고 TMPL_ID 검증
    const validTemplates = templates.filter(template => {
      if (!template) {
        console.warn('⚠️ Null or undefined template received');
        return false;
      }
      if (!template.TMPL_ID) {
        console.error('❌ Template missing TMPL_ID:', template);
        return false;
      }
      return true;
    });
    
    console.log(`✅ fetchTemplateFromSEDP completed: ${validTemplates.length} valid templates`);
    validTemplates.forEach(t => console.log(`  - ${t.TMPL_ID}: ${t.NAME} (${t.TMPL_TYPE})`));
    
    return validTemplates;
    
  } catch (error: unknown) {
    console.error('Error calling SEDP Template API:', error);
    const errorMessage = error instanceof Error ? error.message : 'Unknown error';
    throw new Error(`Failed to fetch template from SEDP API: ${errorMessage}`);
  }
}