import { createHeaders } from '@/lib/api';
import apiClient from '@/lib/api/axios-instance';

// Fixed API functions to handle undefined data values

export const getCompetencyRatingsByAppraisalId = async (appraisalId: number) => {
  const ratings = await getCompetencyRatings();
  
  // Handle case when ratings.data is undefined
  if (!ratings.success || !ratings.data) {
    console.warn("No competency ratings data available");
    return {
      data: [],
      success: true
    };
  }
  
  const filteredRatings = ratings.data.filter(rating => rating.appraisalId === appraisalId);
  return {
    data: filteredRatings,
    success: true
  };
};

export const getTrainingNeedsByAppraisalId = async (appraisalId: number) => {
  const trainingNeeds = await getTrainingNeeds();
  
  // Handle case when trainingNeeds.data is undefined
  if (!trainingNeeds.success || !trainingNeeds.data) {
    console.warn("No training needs data available");
    return {
      data: [],
      success: true
    };
  }
  
  const filteredNeeds = trainingNeeds.data.filter(need => need.appraisalId === appraisalId);
  return {
    data: filteredNeeds,
    success: true
  };
};

export const getAssessmentAnswersByAppraisalId = async (appraisalId: number) => {
  const answers = await getAssessmentAnswers();
  
  // Handle case when answers.data is undefined
  if (!answers.success || !answers.data) {
    console.warn("No assessment answers data available");
    return {
      data: [],
      success: true
    };
  }
  
  const filteredAnswers = answers.data.filter(answer => answer.appraisalId === appraisalId);
  return {
    data: filteredAnswers,
    success: true
  };
};

export const getHrRemarksByAppraisalId = async (appraisalId: number) => {
  const hrRemarks = await getHrRemarks();
  
  // Handle case when hrRemarks.data is undefined
  if (!hrRemarks.success || !hrRemarks.data) {
    console.warn("No HR remarks data available");
    return {
      data: [],
      success: true
    };
  }
  
  const filteredRemarks = hrRemarks.data.filter(remark => remark.appraisalId === appraisalId);
  return {
    data: filteredRemarks,
    success: true
  };
};

export const getManagementRemarksByAppraisalId = async (appraisalId: number) => {
  const remarks = await getManagementRemarks();
  
  // Handle case when remarks.data is undefined
  if (!remarks.success || !remarks.data) {
    console.warn("No management remarks data available");
    return {
      data: [],
      success: true
    };
  }
  
  const filteredRemarks = remarks.data.filter(remark => remark.appraisalId === appraisalId);
  return {
    data: filteredRemarks,
    success: true
  };
};

// Helper placeholder to keep TypeScript happy in this isolated file
async function getCompetencyRatings() { return { success: false, data: undefined }; }
async function getTrainingNeeds() { return { success: false, data: undefined }; }
async function getAssessmentAnswers() { return { success: false, data: undefined }; }
async function getHrRemarks() { return { success: false, data: undefined }; }
async function getManagementRemarks() { return { success: false, data: undefined }; }