import { useState, useEffect, useCallback } from 'react';
import { financialApi } from '../api/financial.api';
import type {
  Account,
  AccountFilters,
  CreateAccountDto,
  UpdateAccountDto,
  AccountType,
  Journal,
  JournalFilters,
  CreateJournalDto,
  UpdateJournalDto,
  JournalEntry,
  JournalEntryFilters,
  CreateJournalEntryDto,
  UpdateJournalEntryDto,
  FinancialInvoice,
  InvoiceFilters,
  CreateInvoiceDto,
  UpdateInvoiceDto,
  Payment,
  PaymentFilters,
  CreatePaymentDto,
  UpdatePaymentDto,
} from '../types';

// ==================== Account Types Hook ====================

export function useAccountTypes() {
  const [accountTypes, setAccountTypes] = useState<AccountType[]>([]);
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const fetchAccountTypes = useCallback(async () => {
    setIsLoading(true);
    setError(null);
    try {
      const data = await financialApi.getAccountTypes();
      setAccountTypes(data);
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al cargar tipos de cuenta');
    } finally {
      setIsLoading(false);
    }
  }, []);

  useEffect(() => {
    fetchAccountTypes();
  }, [fetchAccountTypes]);

  return {
    accountTypes,
    isLoading,
    error,
    refresh: fetchAccountTypes,
  };
}

// ==================== Accounts Hook ====================

export interface UseAccountsOptions extends AccountFilters {
  autoFetch?: boolean;
}

export function useAccounts(options: UseAccountsOptions = {}) {
  const { autoFetch = true, ...filters } = options;
  const [accounts, setAccounts] = useState<Account[]>([]);
  const [total, setTotal] = useState(0);
  const [page, setPage] = useState(filters.page || 1);
  const [totalPages, setTotalPages] = useState(1);
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const fetchAccounts = useCallback(async () => {
    setIsLoading(true);
    setError(null);
    try {
      const response = await financialApi.getAccounts({ ...filters, page });
      setAccounts(response.data);
      setTotal(response.meta.total);
      setTotalPages(response.meta.totalPages);
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al cargar cuentas');
    } finally {
      setIsLoading(false);
    }
  }, [filters.companyId, filters.accountTypeId, filters.parentId, filters.isReconcilable, filters.isDeprecated, filters.search, filters.limit, filters.sortBy, filters.sortOrder, page]);

  useEffect(() => {
    if (autoFetch) {
      fetchAccounts();
    }
  }, [fetchAccounts, autoFetch]);

  const createAccount = async (data: CreateAccountDto) => {
    setIsLoading(true);
    try {
      const newAccount = await financialApi.createAccount(data);
      await fetchAccounts();
      return newAccount;
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al crear cuenta');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const updateAccount = async (id: string, data: UpdateAccountDto) => {
    setIsLoading(true);
    try {
      const updated = await financialApi.updateAccount(id, data);
      await fetchAccounts();
      return updated;
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al actualizar cuenta');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const deleteAccount = async (id: string) => {
    setIsLoading(true);
    try {
      await financialApi.deleteAccount(id);
      await fetchAccounts();
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al eliminar cuenta');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  return {
    accounts,
    total,
    page,
    totalPages,
    isLoading,
    error,
    setPage,
    refresh: fetchAccounts,
    createAccount,
    updateAccount,
    deleteAccount,
  };
}

// ==================== Single Account Hook ====================

export function useAccount(accountId: string | null) {
  const [account, setAccount] = useState<Account | null>(null);
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const fetchAccount = useCallback(async () => {
    if (!accountId) {
      setAccount(null);
      return;
    }

    setIsLoading(true);
    setError(null);
    try {
      const data = await financialApi.getAccountById(accountId);
      setAccount(data);
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al cargar cuenta');
    } finally {
      setIsLoading(false);
    }
  }, [accountId]);

  useEffect(() => {
    fetchAccount();
  }, [fetchAccount]);

  return {
    account,
    isLoading,
    error,
    refresh: fetchAccount,
  };
}

// ==================== Journals Hook ====================

export interface UseJournalsOptions extends JournalFilters {
  autoFetch?: boolean;
}

export function useJournals(options: UseJournalsOptions = {}) {
  const { autoFetch = true, ...filters } = options;
  const [journals, setJournals] = useState<Journal[]>([]);
  const [total, setTotal] = useState(0);
  const [page, setPage] = useState(filters.page || 1);
  const [totalPages, setTotalPages] = useState(1);
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const fetchJournals = useCallback(async () => {
    setIsLoading(true);
    setError(null);
    try {
      const response = await financialApi.getJournals({ ...filters, page });
      setJournals(response.data);
      setTotal(response.meta.total);
      setTotalPages(response.meta.totalPages);
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al cargar diarios');
    } finally {
      setIsLoading(false);
    }
  }, [filters.companyId, filters.journalType, filters.active, filters.search, filters.limit, page]);

  useEffect(() => {
    if (autoFetch) {
      fetchJournals();
    }
  }, [fetchJournals, autoFetch]);

  const createJournal = async (data: CreateJournalDto) => {
    setIsLoading(true);
    try {
      const newJournal = await financialApi.createJournal(data);
      await fetchJournals();
      return newJournal;
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al crear diario');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const updateJournal = async (id: string, data: UpdateJournalDto) => {
    setIsLoading(true);
    try {
      const updated = await financialApi.updateJournal(id, data);
      await fetchJournals();
      return updated;
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al actualizar diario');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const deleteJournal = async (id: string) => {
    setIsLoading(true);
    try {
      await financialApi.deleteJournal(id);
      await fetchJournals();
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al eliminar diario');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  return {
    journals,
    total,
    page,
    totalPages,
    isLoading,
    error,
    setPage,
    refresh: fetchJournals,
    createJournal,
    updateJournal,
    deleteJournal,
  };
}

// ==================== Journal Entries Hook ====================

export interface UseJournalEntriesOptions extends JournalEntryFilters {
  autoFetch?: boolean;
}

export function useJournalEntries(options: UseJournalEntriesOptions = {}) {
  const { autoFetch = true, ...filters } = options;
  const [entries, setEntries] = useState<JournalEntry[]>([]);
  const [total, setTotal] = useState(0);
  const [page, setPage] = useState(filters.page || 1);
  const [totalPages, setTotalPages] = useState(1);
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const fetchEntries = useCallback(async () => {
    setIsLoading(true);
    setError(null);
    try {
      const response = await financialApi.getEntries({ ...filters, page });
      setEntries(response.data);
      setTotal(response.meta.total);
      setTotalPages(response.meta.totalPages);
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al cargar asientos');
    } finally {
      setIsLoading(false);
    }
  }, [filters.companyId, filters.journalId, filters.status, filters.dateFrom, filters.dateTo, filters.search, filters.limit, filters.sortBy, filters.sortOrder, page]);

  useEffect(() => {
    if (autoFetch) {
      fetchEntries();
    }
  }, [fetchEntries, autoFetch]);

  const createEntry = async (data: CreateJournalEntryDto) => {
    setIsLoading(true);
    try {
      const newEntry = await financialApi.createEntry(data);
      await fetchEntries();
      return newEntry;
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al crear asiento');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const updateEntry = async (id: string, data: UpdateJournalEntryDto) => {
    setIsLoading(true);
    try {
      const updated = await financialApi.updateEntry(id, data);
      await fetchEntries();
      return updated;
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al actualizar asiento');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const deleteEntry = async (id: string) => {
    setIsLoading(true);
    try {
      await financialApi.deleteEntry(id);
      await fetchEntries();
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al eliminar asiento');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const postEntry = async (id: string) => {
    setIsLoading(true);
    try {
      await financialApi.postEntry(id);
      await fetchEntries();
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al publicar asiento');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const cancelEntry = async (id: string) => {
    setIsLoading(true);
    try {
      await financialApi.cancelEntry(id);
      await fetchEntries();
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al cancelar asiento');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  return {
    entries,
    total,
    page,
    totalPages,
    isLoading,
    error,
    setPage,
    refresh: fetchEntries,
    createEntry,
    updateEntry,
    deleteEntry,
    postEntry,
    cancelEntry,
  };
}

// ==================== Single Journal Entry Hook ====================

export function useJournalEntry(entryId: string | null) {
  const [entry, setEntry] = useState<JournalEntry | null>(null);
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const fetchEntry = useCallback(async () => {
    if (!entryId) {
      setEntry(null);
      return;
    }

    setIsLoading(true);
    setError(null);
    try {
      const data = await financialApi.getEntryById(entryId);
      setEntry(data);
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al cargar asiento');
    } finally {
      setIsLoading(false);
    }
  }, [entryId]);

  useEffect(() => {
    fetchEntry();
  }, [fetchEntry]);

  return {
    entry,
    isLoading,
    error,
    refresh: fetchEntry,
  };
}

// ==================== Invoices Hook ====================

export interface UseInvoicesOptions extends InvoiceFilters {
  autoFetch?: boolean;
}

export function useInvoices(options: UseInvoicesOptions = {}) {
  const { autoFetch = true, ...filters } = options;
  const [invoices, setInvoices] = useState<FinancialInvoice[]>([]);
  const [total, setTotal] = useState(0);
  const [page, setPage] = useState(filters.page || 1);
  const [totalPages, setTotalPages] = useState(1);
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const fetchInvoices = useCallback(async () => {
    setIsLoading(true);
    setError(null);
    try {
      const response = await financialApi.getInvoices({ ...filters, page });
      setInvoices(response.data);
      setTotal(response.meta.total);
      setTotalPages(response.meta.totalPages);
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al cargar facturas');
    } finally {
      setIsLoading(false);
    }
  }, [filters.companyId, filters.partnerId, filters.invoiceType, filters.status, filters.dateFrom, filters.dateTo, filters.search, filters.limit, filters.sortBy, filters.sortOrder, page]);

  useEffect(() => {
    if (autoFetch) {
      fetchInvoices();
    }
  }, [fetchInvoices, autoFetch]);

  const createInvoice = async (data: CreateInvoiceDto) => {
    setIsLoading(true);
    try {
      const newInvoice = await financialApi.createInvoice(data);
      await fetchInvoices();
      return newInvoice;
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al crear factura');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const updateInvoice = async (id: string, data: UpdateInvoiceDto) => {
    setIsLoading(true);
    try {
      const updated = await financialApi.updateInvoice(id, data);
      await fetchInvoices();
      return updated;
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al actualizar factura');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const deleteInvoice = async (id: string) => {
    setIsLoading(true);
    try {
      await financialApi.deleteInvoice(id);
      await fetchInvoices();
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al eliminar factura');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const validateInvoice = async (id: string) => {
    setIsLoading(true);
    try {
      await financialApi.validateInvoice(id);
      await fetchInvoices();
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al validar factura');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const cancelInvoice = async (id: string) => {
    setIsLoading(true);
    try {
      await financialApi.cancelInvoice(id);
      await fetchInvoices();
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al cancelar factura');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  return {
    invoices,
    total,
    page,
    totalPages,
    isLoading,
    error,
    setPage,
    refresh: fetchInvoices,
    createInvoice,
    updateInvoice,
    deleteInvoice,
    validateInvoice,
    cancelInvoice,
  };
}

// ==================== Single Invoice Hook ====================

export function useInvoice(invoiceId: string | null) {
  const [invoice, setInvoice] = useState<FinancialInvoice | null>(null);
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const fetchInvoice = useCallback(async () => {
    if (!invoiceId) {
      setInvoice(null);
      return;
    }

    setIsLoading(true);
    setError(null);
    try {
      const data = await financialApi.getInvoiceById(invoiceId);
      setInvoice(data);
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al cargar factura');
    } finally {
      setIsLoading(false);
    }
  }, [invoiceId]);

  useEffect(() => {
    fetchInvoice();
  }, [fetchInvoice]);

  return {
    invoice,
    isLoading,
    error,
    refresh: fetchInvoice,
  };
}

// ==================== Payments Hook ====================

export interface UsePaymentsOptions extends PaymentFilters {
  autoFetch?: boolean;
}

export function usePayments(options: UsePaymentsOptions = {}) {
  const { autoFetch = true, ...filters } = options;
  const [payments, setPayments] = useState<Payment[]>([]);
  const [total, setTotal] = useState(0);
  const [page, setPage] = useState(filters.page || 1);
  const [totalPages, setTotalPages] = useState(1);
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const fetchPayments = useCallback(async () => {
    setIsLoading(true);
    setError(null);
    try {
      const response = await financialApi.getPayments({ ...filters, page });
      setPayments(response.data);
      setTotal(response.meta.total);
      setTotalPages(response.meta.totalPages);
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al cargar pagos');
    } finally {
      setIsLoading(false);
    }
  }, [filters.companyId, filters.partnerId, filters.paymentType, filters.paymentMethod, filters.status, filters.dateFrom, filters.dateTo, filters.search, filters.limit, filters.sortBy, filters.sortOrder, page]);

  useEffect(() => {
    if (autoFetch) {
      fetchPayments();
    }
  }, [fetchPayments, autoFetch]);

  const createPayment = async (data: CreatePaymentDto) => {
    setIsLoading(true);
    try {
      const newPayment = await financialApi.createPayment(data);
      await fetchPayments();
      return newPayment;
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al crear pago');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const updatePayment = async (id: string, data: UpdatePaymentDto) => {
    setIsLoading(true);
    try {
      const updated = await financialApi.updatePayment(id, data);
      await fetchPayments();
      return updated;
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al actualizar pago');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const deletePayment = async (id: string) => {
    setIsLoading(true);
    try {
      await financialApi.deletePayment(id);
      await fetchPayments();
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al eliminar pago');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const postPayment = async (id: string) => {
    setIsLoading(true);
    try {
      await financialApi.postPayment(id);
      await fetchPayments();
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al publicar pago');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  const cancelPayment = async (id: string) => {
    setIsLoading(true);
    try {
      await financialApi.cancelPayment(id);
      await fetchPayments();
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al cancelar pago');
      throw err;
    } finally {
      setIsLoading(false);
    }
  };

  return {
    payments,
    total,
    page,
    totalPages,
    isLoading,
    error,
    setPage,
    refresh: fetchPayments,
    createPayment,
    updatePayment,
    deletePayment,
    postPayment,
    cancelPayment,
  };
}

// ==================== Single Payment Hook ====================

export function usePayment(paymentId: string | null) {
  const [payment, setPayment] = useState<Payment | null>(null);
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const fetchPayment = useCallback(async () => {
    if (!paymentId) {
      setPayment(null);
      return;
    }

    setIsLoading(true);
    setError(null);
    try {
      const data = await financialApi.getPaymentById(paymentId);
      setPayment(data);
    } catch (err) {
      setError(err instanceof Error ? err.message : 'Error al cargar pago');
    } finally {
      setIsLoading(false);
    }
  }, [paymentId]);

  useEffect(() => {
    fetchPayment();
  }, [fetchPayment]);

  return {
    payment,
    isLoading,
    error,
    refresh: fetchPayment,
  };
}