import axios from "axios";
import type {
  Account, AcctSummary, ApprovalQueue, Attendance, AuditLog, ClientContact,
  Company, Contract, ContractFile, Dashboard, Department, IncentiveConfig,
  LeaveBalance, LeaveRequest, Me, Member, MyIncentive, NavItem, Notification,
  OvertimeRequest, PaymentSplit, PaymentStage, Product, Project, ProjectMember,
  ProjectTask, Settlement, SimResult, TaxRecord, Timesheet, Transaction,
  UserIncentive, Version, WorkPolicy, WorkStatusEvent, WorkStatusKind,
} from "@/types";

export const api = axios.create({
  baseURL: "/api",
  headers: { "Content-Type": "application/json" },
});

// In dev, ?as=user can be appended to simulate a non-admin (see backend auth).
const asParam = new URLSearchParams(window.location.search).get("as");
if (asParam === "user") api.defaults.params = { as: "user" };

/* ---- identity / nav ---- */
export const getMe = () => api.get<Me>("/me").then((r) => r.data);
export const getNav = () => api.get<NavItem[]>("/me/nav").then((r) => r.data);
export const getDashboard = () => api.get<Dashboard>("/dashboard").then((r) => r.data);

/* ---- inbox / notifications ---- */
export const getNotifications = (unread?: boolean) =>
  api.get<Notification[]>("/notifications", { params: { unread } }).then((r) => r.data);
export const getUnreadCount = () =>
  api.get<{ count: number }>("/notifications/unread-count").then((r) => r.data.count);
export const markNotificationRead = (id: string) =>
  api.post(`/notifications/${id}/read`).then((r) => r.data);
export const markAllNotificationsRead = () =>
  api.post("/notifications/read-all").then((r) => r.data);

/* ---- profile photo ---- */
export const uploadAvatar = (file: File) => {
  const form = new FormData();
  form.append("file", file);
  return api.post<Member>("/me/avatar", form, { headers: { "Content-Type": "multipart/form-data" } }).then((r) => r.data);
};
// Avatar image URL (cache-busted by avatarKey). Empty avatarKey → no image.
export const avatarUrl = (memberId?: string, avatarKey?: string) =>
  memberId && avatarKey ? `/api/members/${memberId}/avatar?v=${encodeURIComponent(avatarKey)}` : "";

/* ---- members / org ---- */
export const getMembers = () => api.get<Member[]>("/members").then((r) => r.data);
export const getMember = (id: string) => api.get<Member>(`/members/${id}`).then((r) => r.data);
export const createMember = (b: Partial<Member>) => api.post<Member>("/members", b).then((r) => r.data);
export const updateMember = (id: string, b: Partial<Member>) =>
  api.patch<Member>(`/members/${id}`, b).then((r) => r.data);
export const deleteMember = (id: string) => api.delete(`/members/${id}`).then((r) => r.data);
export const getDepartments = () => api.get<Department[]>("/departments").then((r) => r.data);
export const createDepartment = (b: Partial<Department>) =>
  api.post<Department>("/departments", b).then((r) => r.data);
export const updateDepartment = (id: string, b: Partial<Department>) =>
  api.patch<Department>(`/departments/${id}`, b).then((r) => r.data);
export const deleteDepartment = (id: string) => api.delete(`/departments/${id}`).then((r) => r.data);
export const getAudit = () => api.get<AuditLog[]>("/audit").then((r) => r.data);

/* ---- attendance ---- */
export const getAttendance = (params: { month?: string; email?: string }) =>
  api.get<Attendance[]>("/attendance", { params }).then((r) => r.data);
export const punch = () => api.post<Attendance>("/attendance/punch").then((r) => r.data);
export const setWorkStatus = (status: WorkStatusKind, note?: string) =>
  api.post("/attendance/status", { status, note }).then((r) => r.data);
export const getWorkStatusLog = (params?: { email?: string; date?: string }) =>
  api.get<WorkStatusEvent[]>("/attendance/status", { params }).then((r) => r.data);
export const getLeaveBalance = (params?: { year?: number; email?: string }) =>
  api.get<LeaveBalance>("/leave/balance", { params }).then((r) => r.data);
export const getTimesheet = (params: { year?: number; month?: number; email?: string }) =>
  api.get<Timesheet>("/attendance/timesheet", { params }).then((r) => r.data);
export const getLeave = (params?: { status?: string; email?: string }) =>
  api.get<LeaveRequest[]>("/leave", { params }).then((r) => r.data);
export const createLeave = (b: Partial<LeaveRequest>) =>
  api.post<LeaveRequest>("/leave", b).then((r) => r.data);
export const decideLeave = (id: string, approve: boolean, memo?: string) =>
  api.post(`/leave/${id}/decide`, { approve, memo }).then((r) => r.data);
export const cancelLeave = (id: string) => api.post(`/leave/${id}/cancel`).then((r) => r.data);
export const getOvertime = (params?: { email?: string }) =>
  api.get<OvertimeRequest[]>("/overtime", { params }).then((r) => r.data);
export const createOvertime = (b: Partial<OvertimeRequest>) =>
  api.post<OvertimeRequest>("/overtime", b).then((r) => r.data);
export const decideOvertime = (id: string, approve: boolean, memo?: string) =>
  api.post(`/overtime/${id}/decide`, { approve, memo }).then((r) => r.data);
export const getWorkPolicy = () => api.get<WorkPolicy>("/work-policy").then((r) => r.data);
export const putWorkPolicy = (b: Partial<WorkPolicy>) =>
  api.put<WorkPolicy>("/work-policy", b).then((r) => r.data);
export const getApprovals = () => api.get<ApprovalQueue>("/approvals").then((r) => r.data);

/* ---- projects ---- */
export const getCompanies = () => api.get<Company[]>("/companies").then((r) => r.data);
export const createCompany = (b: Partial<Company>) => api.post<Company>("/companies", b).then((r) => r.data);
export const getProducts = (companyId?: string) =>
  api.get<Product[]>("/products", { params: { companyId } }).then((r) => r.data);
export const createProduct = (b: Partial<Product>) => api.post<Product>("/products", b).then((r) => r.data);
export const getVersions = (productId?: string) =>
  api.get<Version[]>("/versions", { params: { productId } }).then((r) => r.data);
export const createVersion = (b: Partial<Version>) => api.post<Version>("/versions", b).then((r) => r.data);

export const getProjects = (params?: { companyId?: string; status?: string; scope?: "mine" }) =>
  api.get<Project[]>("/projects", { params }).then((r) => r.data);
export const getProject = (id: string) => api.get<Project>(`/projects/${id}`).then((r) => r.data);
export const createProject = (b: Partial<Project>) => api.post<Project>("/projects", b).then((r) => r.data);
export const updateProject = (id: string, b: Partial<Project>) =>
  api.patch<Project>(`/projects/${id}`, b).then((r) => r.data);
export const deleteProject = (id: string) => api.delete(`/projects/${id}`).then((r) => r.data);

export const getProjectMembers = (id: string) =>
  api.get<ProjectMember[]>(`/projects/${id}/members`).then((r) => r.data);
export const upsertProjectMember = (id: string, b: Partial<ProjectMember>) =>
  api.post<ProjectMember>(`/projects/${id}/members`, b).then((r) => r.data);
export const deleteProjectMember = (pmId: string) =>
  api.delete(`/project-members/${pmId}`).then((r) => r.data);

export const getContacts = (id: string) =>
  api.get<ClientContact[]>(`/projects/${id}/contacts`).then((r) => r.data);
export const upsertContact = (id: string, b: Partial<ClientContact>) =>
  api.post<ClientContact>(`/projects/${id}/contacts`, b).then((r) => r.data);
export const deleteContact = (cId: string) => api.delete(`/contacts/${cId}`).then((r) => r.data);

export const getTasks = (id: string) =>
  api.get<ProjectTask[]>(`/projects/${id}/tasks`).then((r) => r.data);
export const createTask = (id: string, b: Partial<ProjectTask>) =>
  api.post<ProjectTask>(`/projects/${id}/tasks`, b).then((r) => r.data);
export const updateTask = (tId: string, b: Partial<ProjectTask>) =>
  api.patch<ProjectTask>(`/tasks/${tId}`, b).then((r) => r.data);
export const deleteTask = (tId: string) => api.delete(`/tasks/${tId}`).then((r) => r.data);

/* ---- contract (admin) ---- */
export const getContract = (id: string) =>
  api.get<Contract | null>(`/projects/${id}/contract`).then((r) => r.data);
export const putContract = (id: string, b: Partial<Contract>) =>
  api.put<Contract>(`/projects/${id}/contract`, b).then((r) => r.data);
export const getContractFiles = (id: string) =>
  api.get<ContractFile[]>(`/projects/${id}/files`).then((r) => r.data);
export const uploadContractFile = (id: string, file: File, kind = "contract") => {
  const form = new FormData();
  form.append("file", file);
  form.append("kind", kind);
  return api
    .post<ContractFile>(`/projects/${id}/files`, form, { headers: { "Content-Type": "multipart/form-data" } })
    .then((r) => r.data);
};
export const getFileDownloadUrl = (fId: string) =>
  api.get<{ url: string }>(`/files/${fId}/download`).then((r) => r.data.url);
export const deleteContractFile = (fId: string) => api.delete(`/files/${fId}`).then((r) => r.data);

export const getPayments = (id: string) =>
  api.get<PaymentSplit[]>(`/projects/${id}/payments`).then((r) => r.data);
export const createPayment = (id: string, b: Partial<PaymentSplit>) =>
  api.post<PaymentSplit>(`/projects/${id}/payments`, b).then((r) => r.data);
export const updatePayment = (payId: string, b: Partial<PaymentSplit>) =>
  api.patch<PaymentSplit>(`/payments/${payId}`, b).then((r) => r.data);
export const deletePayment = (payId: string) => api.delete(`/payments/${payId}`).then((r) => r.data);

/* ---- incentive ---- */
export const getIncentiveConfig = (year?: number) =>
  api.get<IncentiveConfig>("/incentive/config", { params: { year } }).then((r) => r.data);
export const putIncentiveConfig = (b: Partial<IncentiveConfig>) =>
  api.put<IncentiveConfig>("/incentive/config", b).then((r) => r.data);
export const getMyIncentive = (params?: { year?: number; email?: string }) =>
  api.get<MyIncentive>("/incentive/me", { params }).then((r) => r.data);
export const getStages = (projectId: string) =>
  api.get<PaymentStage[]>("/incentive/stages", { params: { projectId } }).then((r) => r.data);
export const recomputeProject = (id: string, year?: number) =>
  api.post(`/incentive/projects/${id}/recompute`, null, { params: { year } }).then((r) => r.data);
export const setStageStatus = (stId: string, status: string, fixedDate?: string) =>
  api.post(`/incentive/stages/${stId}/status`, { status, fixedDate }).then((r) => r.data);
export const getUserIncentives = (params: { projectId?: string; email?: string }) =>
  api.get<UserIncentive[]>("/incentive/user-incentives", { params }).then((r) => r.data);
export const patchUserIncentive = (uiId: string, b: Partial<UserIncentive>) =>
  api.patch<UserIncentive>(`/incentive/user-incentives/${uiId}`, b).then((r) => r.data);
export const getSettlements = (year?: number) =>
  api.get<Settlement[]>("/incentive/settlements", { params: { year } }).then((r) => r.data);
export const runSettlement = (year: number, quarter: number) =>
  api.post<Settlement[]>("/incentive/settlements/run", { year, quarter }).then((r) => r.data);
export const fixSettlement = (sId: string) =>
  api.post<Settlement>(`/incentive/settlements/${sId}/fix`).then((r) => r.data);
export const simulate = (b: {
  total: number; be: number;
  members: { email: string; portion: number; isPartner: boolean }[];
  config?: Partial<IncentiveConfig>;
}) => api.post<SimResult>("/incentive/simulate", b).then((r) => r.data);

/* ---- accounting ---- */
export const getAccounts = () => api.get<Account[]>("/accounts").then((r) => r.data);
export const createAccount = (b: Partial<Account>) => api.post<Account>("/accounts", b).then((r) => r.data);
export const getTransactions = (params?: { kind?: string; projectId?: string; from?: string; to?: string }) =>
  api.get<Transaction[]>("/transactions", { params }).then((r) => r.data);
export const createTransaction = (b: Partial<Transaction>) =>
  api.post<Transaction>("/transactions", b).then((r) => r.data);
export const updateTransaction = (txId: string, b: Partial<Transaction>) =>
  api.patch<Transaction>(`/transactions/${txId}`, b).then((r) => r.data);
export const deleteTransaction = (txId: string) => api.delete(`/transactions/${txId}`).then((r) => r.data);
export const getTaxes = () => api.get<TaxRecord[]>("/taxes").then((r) => r.data);
export const createTax = (b: Partial<TaxRecord>) => api.post<TaxRecord>("/taxes", b).then((r) => r.data);
export const updateTax = (taxId: string, b: Partial<TaxRecord>) =>
  api.patch<TaxRecord>(`/taxes/${taxId}`, b).then((r) => r.data);
export const getAccountingSummary = (year?: number) =>
  api.get<AcctSummary>("/accounting/summary", { params: { year } }).then((r) => r.data);