// Status mapping constants for converting between frontend and backend values

// Application status mapping
export const APPLICATION_STATUS_MAP = {
  // Backend -> Frontend
  toFrontend: {
    'SCHEDULED': 'applied',
    'COMPLETED': 'interview_success',
    'CANCELLED': 'interview_failed',
    'NO_SHOW': 'not_applied',
  },
  // Frontend -> Backend
  toBackend: {
    'not_applied': null,
    'applied': 'SCHEDULED',
    'interview_success': 'COMPLETED',
    'accepted': 'COMPLETED',
    'interview_failed': 'CANCELLED',
  },
};

// Enrollment status mapping
export const ENROLLMENT_STATUS_MAP = {
  // Backend values
  NOT_STARTED: {
    text: '未开始',
    color: '#999999',
    progress: 0,
  },
  IN_PROGRESS: {
    text: '学习中',
    color: '#3b82f6',
    progress: 50,
  },
  COMPLETED: {
    text: '已完成',
    color: '#10b981',
    progress: 100,
  },
};

// Interview status mapping
export const INTERVIEW_STATUS_MAP = {
  // Backend values
  SCHEDULED: {
    text: '待面试',
    color: '#f59e0b',
    icon: 'clock',
  },
  COMPLETED: {
    text: '已完成',
    color: '#10b981',
    icon: 'check',
  },
  CANCELLED: {
    text: '已取消',
    color: '#ef4444',
    icon: 'close',
  },
  NO_SHOW: {
    text: '未到场',
    color: '#6b7280',
    icon: 'warning',
  },
};

// Interview result mapping
export const INTERVIEW_RESULT_MAP = {
  PASS: {
    text: '通过',
    color: '#10b981',
    applicationStatus: 'interview_success',
  },
  FAIL: {
    text: '未通过',
    color: '#ef4444',
    applicationStatus: 'interview_failed',
  },
  PENDING: {
    text: '待定',
    color: '#f59e0b',
    applicationStatus: 'applied',
  },
  OFFER: {
    text: '已发Offer',
    color: '#10b981',
    applicationStatus: 'accepted',
  },
};

// Job type mapping
export const JOB_TYPE_MAP = {
  // Backend -> Frontend display
  FULLTIME: {
    text: '全职',
    value: 'fulltime',
    color: '#3b82f6',
  },
  PARTTIME: {
    text: '兼职',
    value: 'parttime',
    color: '#8b5cf6',
  },
  INTERNSHIP: {
    text: '实习',
    value: 'internship',
    color: '#ec4899',
  },
  CONTRACT: {
    text: '合同制',
    value: 'contract',
    color: '#f59e0b',
  },
  REMOTE: {
    text: '远程',
    value: 'remote',
    color: '#10b981',
  },
};

// Job level mapping
export const JOB_LEVEL_MAP = {
  JUNIOR: {
    text: '普通岗',
    minExperience: 0,
    maxExperience: 2,
  },
  MID: {
    text: '技术骨干岗',
    minExperience: 2,
    maxExperience: 5,
  },
  SENIOR: {
    text: '储备干部岗',
    minExperience: 5,
    maxExperience: 10,
  },
  LEAD: {
    text: '资深',
    minExperience: 8,
    maxExperience: 15,
  },
  MANAGER: {
    text: '管理',
    minExperience: 5,
    maxExperience: null,
  },
};

// Course category mapping
export const COURSE_CATEGORY_MAP = {
  GENERAL: {
    text: '通识课程',
    color: '#6b7280',
    icon: 'book',
  },
  PROFESSIONAL: {
    text: '专业课程',
    color: '#3b82f6',
    icon: 'desktop',
  },
  PRACTICAL: {
    text: '实践课程',
    color: '#10b981',
    icon: 'tool',
  },
  COMPREHENSIVE: {
    text: '综合课程',
    color: '#8b5cf6',
    icon: 'layers',
  },
};

// Course type mapping
export const COURSE_TYPE_MAP = {
  LIVE: {
    text: '直播课',
    color: '#ef4444',
    icon: 'video',
  },
  RECORDED: {
    text: '录播课',
    color: '#3b82f6',
    icon: 'play',
  },
  HYBRID: {
    text: '混合式',
    color: '#8b5cf6',
    icon: 'mix',
  },
  OFFLINE: {
    text: '线下课',
    color: '#10b981',
    icon: 'location',
  },
};

// Gender mapping
export const GENDER_MAP = {
  MALE: '男',
  FEMALE: '女',
};

// Company scale mapping
export const COMPANY_SCALE_MAP = {
  SMALL: {
    text: '50人以下',
    min: 0,
    max: 50,
  },
  MEDIUM: {
    text: '50-200人',
    min: 50,
    max: 200,
  },
  LARGE: {
    text: '200-1000人',
    min: 200,
    max: 1000,
  },
  ENTERPRISE: {
    text: '1000人以上',
    min: 1000,
    max: null,
  },
};

// Interview type mapping
export const INTERVIEW_TYPE_MAP = {
  PHONE: {
    text: '电话面试',
    icon: 'phone',
  },
  VIDEO: {
    text: '视频面试',
    icon: 'video',
  },
  ONSITE: {
    text: '现场面试',
    icon: 'location',
  },
  TECHNICAL: {
    text: '技术面试',
    icon: 'code',
  },
  HR: {
    text: 'HR面试',
    icon: 'user',
  },
};

// Helper functions
export const getStatusText = (status, map) => {
  return map[status]?.text || status;
};

export const getStatusColor = (status, map) => {
  return map[status]?.color || '#6b7280';
};

export const mapApplicationStatus = (backendStatus, result = null) => {
  if (result && INTERVIEW_RESULT_MAP[result]) {
    return INTERVIEW_RESULT_MAP[result].applicationStatus;
  }
  return APPLICATION_STATUS_MAP.toFrontend[backendStatus] || 'not_applied';
};

export default {
  APPLICATION_STATUS_MAP,
  ENROLLMENT_STATUS_MAP,
  INTERVIEW_STATUS_MAP,
  INTERVIEW_RESULT_MAP,
  JOB_TYPE_MAP,
  JOB_LEVEL_MAP,
  COURSE_CATEGORY_MAP,
  COURSE_TYPE_MAP,
  GENDER_MAP,
  COMPANY_SCALE_MAP,
  INTERVIEW_TYPE_MAP,
  getStatusText,
  getStatusColor,
  mapApplicationStatus,
};