import { useState, useCallback } from 'react';

/**
 * Custom hook for managing deployment configuration state
 * @param {Object} initialConfig - Initial deployment configuration
 * @returns {Object} - Deployment configuration state and updater functions
 */
const useDeploymentConfig = (initialConfig = {}) => {
  const [config, setConfig] = useState({
    type: 'app',
    appType: 'wordpress',
    sampleWebAppType: 'developer',
    sourceType: 'public',
    repoUrl: '',
    deploymentKey: '',
    fileName: '',
    ...initialConfig
  });

  // Extract values for easier access
  const {
    type,
    appType,
    sampleWebAppType,
    sourceType,
    repoUrl,
    deploymentKey,
    fileName
  } = config;

  // Update a single field
  const updateField = useCallback((field, value) => {
    setConfig(prev => ({
      ...prev,
      [field]: value
    }));
  }, []);

  // Handler for deployment type change
  const handleDeploymentTypeChange = useCallback((e) => {
    updateField('type', e.target.value);
  }, [updateField]);

  // Handler for app type change
  const handleAppTypeChange = useCallback((e) => {
    updateField('appType', e.target.value);
  }, [updateField]);

  // Handler for sample web app type change
  const handleSampleWebAppTypeChange = useCallback((e) => {
    updateField('sampleWebAppType', e.target.value);
  }, [updateField]);

  // Handler for source type change
  const handleSourceTypeChange = useCallback((e) => {
    updateField('sourceType', e.target.value);
  }, [updateField]);

  // Handler for repo URL change
  const handleRepoUrlChange = useCallback((e) => {
    updateField('repoUrl', e.target.value);
  }, [updateField]);

  // Handler for deployment key change
  const handleDeploymentKeyChange = useCallback((e) => {
    updateField('deploymentKey', e.target.value);
  }, [updateField]);

  // Handler for file change
  const handleFileChange = useCallback((e) => {
    if (e.target.files.length > 0) {
      updateField('fileName', e.target.files[0].name);
    } else {
      updateField('fileName', '');
    }
  }, [updateField]);

  return {
    // State values
    config,
    type,
    appType,
    sampleWebAppType,
    sourceType,
    repoUrl,
    deploymentKey,
    fileName,

    // Update functions
    updateField,

    // Event handlers
    handleDeploymentTypeChange,
    handleAppTypeChange,
    handleSampleWebAppTypeChange,
    handleSourceTypeChange,
    handleRepoUrlChange,
    handleDeploymentKeyChange,
    handleFileChange
  };
};

export default useDeploymentConfig;