import { api } from '../api'

export interface PortalProfile {
  employee: {
    id: string
    uniqueEmployeeId: string
    firstName: string
    lastName: string
    firstNameAr?: string | null
    lastNameAr?: string | null
    email: string
    department?: { name: string; nameAr?: string | null }
    position?: { title: string; titleAr?: string | null }
  }
  stats: {
    activeLoansCount: number
    pendingLeavesCount: number
    pendingPurchaseRequestsCount: number
    leaveBalance: Array<{
      leaveType: string
      totalDays: number
      carriedOver: number
      usedDays: number
      available: number
    }>
  }
}

export interface Loan {
  id: string
  loanNumber: string
  type: string
  amount: number
  currency: string
  installments: number
  monthlyAmount?: number
  reason?: string | null
  status: string
  approvedBy?: string | null
  approvedAt?: string | null
  rejectedReason?: string | null
  startDate?: string | null
  endDate?: string | null
  createdAt: string
  installmentsList?: Array<{
    id: string
    installmentNumber: number
    dueDate: string
    amount: number
    paidDate?: string | null
    status: string
  }>
}

export interface Leave {
  id: string
  leaveType: string
  startDate: string
  endDate: string
  days: number
  reason?: string | null
  status: string
  approvedBy?: string | null
  approvedAt?: string | null
  rejectedReason?: string | null
  createdAt: string
}

export interface PortalOvertimeRequest {
  id: string
  attendanceId: string
  date: string
  hours: number
  reason: string
  status: string
  rejectedReason?: string
  createdAt: string
  employee?: {
    id: string
    firstName: string
    lastName: string
    uniqueEmployeeId: string
    reportingToId?: string
  }
}

export interface PurchaseRequest {
  id: string
  requestNumber: string
  items: any[]
  totalAmount?: number | null
  reason?: string | null
  priority: string
  status: string
  approvedBy?: string | null
  approvedAt?: string | null
  rejectedReason?: string | null
  createdAt: string
}

export interface Attendance {
  id: string
  date: string
  checkIn?: string | null
  checkOut?: string | null
  workHours?: number | null
  overtimeHours?: number | null
  status: string
}

export interface ManagedLeave {
  id: string
  leaveType: string
  startDate: string
  endDate: string
  days: number
  status: string
  reason?: string
  rejectedReason?: string
  employee: {
    id: string
    firstName: string
    lastName: string
    uniqueEmployeeId: string
    reportingToId?: string
  }
}

export interface Salary {
  id: string
  month: number
  year: number
  basicSalary: number
  allowances: number
  deductions: number
  commissions: number
  overtimePay: number
  netSalary: number
  status: string
  paidDate?: string | null
  createdAt: string
}

export const portalAPI = {

  getManagedLeaves: async (status?: string): Promise<ManagedLeave[]> => {
    const q = new URLSearchParams()
    if (status && status !== 'all') q.append('status', status)
    const response = await api.get(`/hr/portal/managed-leaves?${q.toString()}`)
    return response.data.data || []
  },

  approveManagedLeave: async (id: string) => {
    const response = await api.post(`/hr/portal/managed-leaves/${id}/approve`)
    return response.data.data
  },

  rejectManagedLeave: async (id: string, rejectedReason: string) => {
    const response = await api.post(`/hr/portal/managed-leaves/${id}/reject`, { rejectedReason })
    return response.data.data
  },

  getMe: async (): Promise<PortalProfile> => {
    const response = await api.get('/hr/portal/me')
    return response.data.data
  },

  getLoans: async (): Promise<Loan[]> => {
    const response = await api.get('/hr/portal/loans')
    return response.data.data || []
  },

  submitLoanRequest: async (data: { type: string; amount: number; installments?: number; reason?: string }): Promise<Loan> => {
    const response = await api.post('/hr/portal/loans', data)
    return response.data.data
  },

    getOvertimeRequests: async (): Promise<PortalOvertimeRequest[]> => {
    const response = await api.get('/hr/portal/overtime-requests')
    return response.data.data || []
  },

  submitOvertimeRequest: async (data: {
    date: string
    hours: number
    reason: string
  }): Promise<PortalOvertimeRequest> => {
    const response = await api.post('/hr/portal/overtime-requests', data)
    return response.data.data
  },

  getManagedOvertimeRequests: async (): Promise<PortalOvertimeRequest[]> => {
    const response = await api.get('/hr/portal/managed-overtime-requests')
    return response.data.data || []
  },

  approveManagedOvertimeRequest: async (attendanceId: string): Promise<PortalOvertimeRequest> => {
    const response = await api.post(`/hr/portal/managed-overtime-requests/${attendanceId}/approve`)
    return response.data.data
  },

  rejectManagedOvertimeRequest: async (
    attendanceId: string,
    rejectedReason: string
  ): Promise<PortalOvertimeRequest> => {
    const response = await api.post(`/hr/portal/managed-overtime-requests/${attendanceId}/reject`, {
      rejectedReason,
    })
    return response.data.data
  },

  getLeaveBalance: async (year?: number): Promise<PortalProfile['stats']['leaveBalance']> => {
    const params = year ? `?year=${year}` : ''
    const response = await api.get(`/hr/portal/leave-balance${params}`)
    return response.data.data || []
  },

  getLeaves: async (): Promise<Leave[]> => {
    const response = await api.get('/hr/portal/leaves')
    return response.data.data || []
  },

  submitLeaveRequest: async (data: { leaveType: string; startDate: string; endDate: string; reason?: string }): Promise<Leave> => {
    const response = await api.post('/hr/portal/leaves', data)
    return response.data.data
  },

  getPurchaseRequests: async (): Promise<PurchaseRequest[]> => {
    const response = await api.get('/hr/portal/purchase-requests')
    return response.data.data || []
  },

  submitPurchaseRequest: async (data: { items: Array<{ description: string; quantity?: number; estimatedPrice?: number }>; reason?: string; priority?: string }): Promise<PurchaseRequest> => {
    const response = await api.post('/hr/portal/purchase-requests', data)
    return response.data.data
  },

  getAttendance: async (month?: number, year?: number): Promise<Attendance[]> => {
    const params = new URLSearchParams()
    if (month) params.append('month', String(month))
    if (year) params.append('year', String(year))
    const query = params.toString() ? `?${params.toString()}` : ''
    const response = await api.get(`/hr/portal/attendance${query}`)
    return response.data.data || []
  },

  getSalaries: async (): Promise<Salary[]> => {
    const response = await api.get('/hr/portal/salaries')
    return response.data.data || []
  },
}