import React, { useState, useEffect } from 'react';
import axios from 'axios';
import { fetchSchools, clientGeocodeZip, haversineDistance} from '../utils/apiUtils.js';

const apiUrl = process.env.REACT_APP_API_URL;

const STATES = [
  { name: 'Alabama', code: 'AL' },
  { name: 'Alaska', code: 'AK' },
  { name: 'Arizona', code: 'AZ' },
  { name: 'Arkansas', code: 'AR' },
  { name: 'California', code: 'CA' },
  { name: 'Colorado', code: 'CO' },
  { name: 'Connecticut', code: 'CT' },
  { name: 'Delaware', code: 'DE' },
  { name: 'District of Columbia', code: 'DC' },
  { name: 'Florida', code: 'FL' },
  { name: 'Georgia', code: 'GA' },
  { name: 'Hawaii', code: 'HI' },
  { name: 'Idaho', code: 'ID' },
  { name: 'Illinois', code: 'IL' },
  { name: 'Indiana', code: 'IN' },
  { name: 'Iowa', code: 'IA' },
  { name: 'Kansas', code: 'KS' },
  { name: 'Kentucky', code: 'KY' },
  { name: 'Louisiana', code: 'LA' },
  { name: 'Maine', code: 'ME' },
  { name: 'Maryland', code: 'MD' },
  { name: 'Massachusetts', code: 'MA' },
  { name: 'Michigan', code: 'MI' },
  { name: 'Minnesota', code: 'MN' },
  { name: 'Mississippi', code: 'MS' },
  { name: 'Missouri', code: 'MO' },
  { name: 'Montana', code: 'MT' },
  { name: 'Nebraska', code: 'NE' },
  { name: 'Nevada', code: 'NV' },
  { name: 'New Hampshire', code: 'NH' },
  { name: 'New Jersey', code: 'NJ' },
  { name: 'New Mexico', code: 'NM' },
  { name: 'New York', code: 'NY' },
  { name: 'North Carolina', code: 'NC' },
  { name: 'North Dakota', code: 'ND' },
  { name: 'Ohio', code: 'OH' },
  { name: 'Oklahoma', code: 'OK' },
  { name: 'Oregon', code: 'OR' },
  { name: 'Pennsylvania', code: 'PA' },
  { name: 'Rhode Island', code: 'RI' },
  { name: 'South Carolina', code: 'SC' },
  { name: 'South Dakota', code: 'SD' },
  { name: 'Tennessee', code: 'TN' },
  { name: 'Texas', code: 'TX' },
  { name: 'Utah', code: 'UT' },
  { name: 'Vermont', code: 'VT' },
  { name: 'Virginia', code: 'VA' },
  { name: 'Washington', code: 'WA' },
  { name: 'West Virginia', code: 'WV' },
  { name: 'Wisconsin', code: 'WI' },
  { name: 'Wyoming', code: 'WY' },
];

// 2) Helper to convert state code => full name
function getFullStateName(code) {
  const found = STATES.find((s) => s.code === code?.toUpperCase());
  return found ? found.name : '';
}

function CareerModal({ career, userState, areaTitle, userZipcode, closeModal, addCareerToList }) {
  const [careerDetails, setCareerDetails] = useState(null);
  const [loading, setLoading] = useState(true);
  const [error, setError] = useState(null);

  useEffect(() => {
    const handleCareerClick = async () => {
      const socCode = career.code;
      setLoading(true);
      setError(null);

      try {
        const cipResponse = await fetch(`${apiUrl}/cip/${socCode}`);
        if (!cipResponse.ok) throw new Error('Failed to fetch CIP Code');
        const { cipCode } = await cipResponse.json();
        const cleanedCipCode = cipCode.replace('.', '').slice(0, 4);

        const jobDetailsResponse = await fetch(`${apiUrl}/onet/career-description/${socCode}`);
        if (!jobDetailsResponse.ok) throw new Error('Failed to fetch job description');
        const { description, tasks } = await jobDetailsResponse.json();

        const salaryResponse = await axios.get(`${apiUrl}/salary`, {
          params: { socCode: socCode.split('.')[0], area: areaTitle },
        }).catch(() => ({ data: {} }));

        const economicResponse = await axios.get(`${apiUrl}/projections/${socCode.split('.')[0]}`, {
          params: { state: getFullStateName(userState) },
        }).catch(() => ({ data: {} }));


        
        const sData = salaryResponse.data || {};
        const salaryDataPoints = sData && Object.keys(sData).length > 0 ? [
          { percentile: '10th', regionalSalary: sData.regional?.regional_PCT10 || 0, nationalSalary: sData.national?.national_PCT10 || 0 },
          { percentile: '25th', regionalSalary: sData.regional?.regional_PCT25 || 0, nationalSalary: sData.national?.national_PCT25 || 0 },
          { percentile: 'Median', regionalSalary: sData.regional?.regional_MEDIAN || 0, nationalSalary: sData.national?.national_MEDIAN || 0 },
          { percentile: '75th', regionalSalary: sData.regional?.regional_PCT75 || 0, nationalSalary: sData.national?.national_PCT75 || 0 },
          { percentile: '90th', regionalSalary: sData.regional?.regional_PCT90 || 0, nationalSalary: sData.national?.national_PCT90 || 0 },
        ] : [];

        setCareerDetails({
          ...career,
          jobDescription: description,
          tasks,
          economicProjections: economicResponse.data || {},
          salaryData: salaryDataPoints,
        });
      } catch (error) {
        console.error(error);
        setError('Failed to load career details.');
      } finally {
        setLoading(false);
      }
    };

    handleCareerClick();
  }, [career, userState, areaTitle, userZipcode]);

  if (loading) return <div>Loading...</div>;
  if (error) return <div>{error}</div>;

  const calculateStabilityRating = (salaryData) => {
    const medianSalaryObj = salaryData.find(s => s.percentile === 'Median');
    const medianSalary = medianSalaryObj?.regionalSalary || medianSalaryObj?.nationalSalary || 0;
    
    if (medianSalary >= 90000) return 5;
    if (medianSalary >= 70000) return 4;
    if (medianSalary >= 50000) return 3;
    if (medianSalary >= 30000) return 2;
    return 1;
  };
  

  return (
    <div className="fixed inset-0 bg-gray-900 bg-opacity-70 flex justify-center items-center overflow-auto z-50">
      <div className="bg-white rounded-lg shadow-lg w-full max-w-5xl p-6 m-4 max-h-[90vh] overflow-y-auto">
        
      <div className="flex justify-between items-center mb-4 pb-2 border-b">
          <h2 className="text-2xl font-bold text-blue-600">{careerDetails.title}</h2>
          <div className="flex gap-2">
          <button
            onClick={() => {
              const stabilityRating = calculateStabilityRating(careerDetails.salaryData);
              addCareerToList({
                ...careerDetails,
                ratings: {
                  stability: stabilityRating
                }
              });
            }}
            className="text-white bg-green-500 hover:bg-green-600 rounded px-3 py-1"
          >
            Add to Comparison
          </button>


            <button
              onClick={closeModal}
              className="text-white bg-red-500 hover:bg-red-600 rounded px-3 py-1"
            >
              Close
            </button>
          </div>
        </div>

        {/* Job Description */}
        <div className="mb-4">
          <h3 className="text-lg font-semibold mb-1">Job Description:</h3>
          <p className="text-gray-700">{careerDetails.jobDescription}</p>
        </div>

        {/* Tasks (full width) */}
        <div className="mb-4 border-t pt-3">
          <h3 className="text-lg font-semibold mb-2">Tasks:</h3>
          <ul className="list-disc pl-5 space-y-1">
            {careerDetails.tasks.map((task, i) => (
              <li key={i}>{task}</li>
            ))}
          </ul>
        </div>

        {/* Salary and Economic Projections side-by-side */}
        <div className="flex flex-col md:flex-row gap-4 border-t pt-3">
          {/* Salary Data */}
          <div className="md:w-1/2 overflow-x-auto">
            <h3 className="text-lg font-semibold mb-2">Salary Data:</h3>
            <table className="w-full text-left border border-gray-300 rounded">
              <thead className="bg-gray-100">
                <tr>
                  <th className="px-3 py-2 border-b">Percentile</th>
                  <th className="px-3 py-2 border-b">Regional Salary</th>
                  <th className="px-3 py-2 border-b">National Salary</th>
                </tr>
              </thead>
              <tbody>
                {careerDetails.salaryData.map((s, i) => (
                  <tr key={i}>
                    <td className="px-3 py-2 border-b">{s.percentile}</td>
                    <td className="px-3 py-2 border-b">${s.regionalSalary.toLocaleString()}</td>
                    <td className="px-3 py-2 border-b">${s.nationalSalary.toLocaleString()}</td>
                  </tr>
                ))}
              </tbody>
            </table>
          </div>

          {/* Economic Projections */}
          <div className="md:w-1/2 overflow-x-auto">
            <h3 className="text-lg font-semibold mb-2">Economic Projections:</h3>
            <table className="w-full text-left border border-gray-300 rounded">
              <thead className="bg-gray-100">
                <tr>
                  <th className="px-3 py-2 border-b">Region</th>
                  <th className="px-3 py-2 border-b">Current Jobs</th>
                  <th className="px-3 py-2 border-b">Jobs in 10 yrs</th>
                  <th className="px-3 py-2 border-b">Growth %</th>
                  <th className="px-3 py-2 border-b">Annual Openings</th>
                </tr>
              </thead>
              <tbody>
                {careerDetails.economicProjections.state && (
                  <tr>
                    <td className="px-3 py-2 border-b">{careerDetails.economicProjections.state.area}</td>
                    <td className="px-3 py-2 border-b">{careerDetails.economicProjections.state.base.toLocaleString()}</td>
                    <td className="px-3 py-2 border-b">{careerDetails.economicProjections.state.projection.toLocaleString()}</td>
                    <td className="px-3 py-2 border-b">{careerDetails.economicProjections.state.percentChange}%</td>
                    <td className="px-3 py-2 border-b">{careerDetails.economicProjections.state.annualOpenings.toLocaleString()}</td>
                  </tr>
                )}
                {careerDetails.economicProjections.national && (
                  <tr>
                    <td className="px-3 py-2 border-b">National</td>
                    <td className="px-3 py-2 border-b">{careerDetails.economicProjections.national.base.toLocaleString()}</td>
                    <td className="px-3 py-2 border-b">{careerDetails.economicProjections.national.projection.toLocaleString()}</td>
                    <td className="px-3 py-2 border-b">{careerDetails.economicProjections.national.percentChange}%</td>
                    <td className="px-3 py-2 border-b">{careerDetails.economicProjections.national.annualOpenings.toLocaleString()}</td>
                  </tr>
                )}
              </tbody>
            </table>
          </div>
        </div>
      </div>
    </div>
  );
}

export default CareerModal;