import { supabase } from '../client';

/**
 * 테이블 상태를 확인합니다.
 */
export const checkTablesStatus = async (): Promise<{
  transactions: boolean;
  budgets: boolean;
  category_budgets: boolean;
}> => {
  const tables = {
    transactions: false,
    budgets: false,
    category_budgets: false
  };
  
  try {
    // transactions 테이블 확인
    const { data: transactionsData, error: transactionsError } = await supabase
      .from('transactions')
      .select('*', { count: 'exact', head: true });
      
    tables.transactions = !transactionsError;
    
    // budgets 테이블 확인
    const { data: budgetsData, error: budgetsError } = await supabase
      .from('budgets')
      .select('*', { count: 'exact', head: true });
      
    tables.budgets = !budgetsError;
    
    // category_budgets 테이블 확인
    const { data: categoryBudgetsData, error: categoryBudgetsError } = await supabase
      .from('category_budgets')
      .select('*', { count: 'exact', head: true });
      
    tables.category_budgets = !categoryBudgetsError;
    
    return tables;
  } catch (error) {
    console.error('테이블 상태 확인 중 오류 발생:', error);
    return tables;
  }
};

/**
 * 기존 테이블 목록을 가져옵니다.
 * 참고: get_tables 함수는 사용하지 않음
 */
export const getExistingTables = async (): Promise<string[] | null> => {
  try {
    const tables = [];
    
    // 직접 각 테이블 확인
    const { error: transactionsError } = await supabase
      .from('transactions')
      .select('id')
      .limit(1);
      
    if (!transactionsError) {
      tables.push('transactions');
    }
    
    const { error: budgetsError } = await supabase
      .from('budgets')
      .select('id')
      .limit(1);
      
    if (!budgetsError) {
      tables.push('budgets');
    }
    
    const { error: categoryBudgetsError } = await supabase
      .from('category_budgets')
      .select('id')
      .limit(1);
      
    if (!categoryBudgetsError) {
      tables.push('category_budgets');
    }
    
    return tables;
  } catch (error) {
    console.error('테이블 목록 확인 중 오류 발생:', error);
    return null;
  }
};