import { Client } from "./client";
import { Region, Locale } from "./collections";

export enum RatioComparisonPeerType {
  Industry = "industry",
  Sector = "sector",
}

export interface StockPeerFinancialRatioComparison {
  metricName: string;
  normalizedValue: number;
  data: StockPeerFinancialRatioComparisonData[];
}

export interface StockPeerFinancialRatioComparisonData {
  slug: string;
  value: number;
  average: number;
}

export interface StockHistoricalRatios {
  slug: string;
  finalValue: number;
  threeYearGrowth: number;
  yearGrowth: number;
  finalSectorValue: number;
  currency: Currency;
  format: HistoricalRatiosFormat;
  name: string;
  items: StockHistoricalRatiosData[];
}

export interface StockHistoricalRatiosData {
  period: string;
  value: number;
  sectorMean: number;
}

export enum HistoricalRatiosFormat {
  CURRENCY = "currency",
  PERCENTAGE = "percentage",
  DECIMAL = "decimal",
}

export enum HistoricalRatiosKey {
  Revenue = "satislar",
  EBITDA = "ebitda",
  NetProfit = "net_kar",
  GrossMargin = "gross-margin",
  NetMargin = "net-margin",
  ReturnOnAssets = "roa",
  ReturnOnEquity = "roe",
  ReturnOnCapitalEmployed = "roce",
  ReturnOnInvestedCapital = "roic",
  PriceToEarningsRatio = "pe-ratio",
  PriceToEarnings = "poe",
  PriceToBookRatio = "pb-ratio",
  EnterpriseValueToEBITDA = "ev-to-ebitda",
  EnterpriseValueToInvestedCapital = "evic",
  InterestCoverage = "interestCoverage",
  QuickRatio = "quick-ratio",
  LeverageRatio = "leverage-ratio",
  DebtToEquity = "debt-to-equity",
  RevenueGrowth = "satis_buyumesi",
  EBITDAGrowth = "favok_buyumesi",
  NetProfitGrowth = "net_kar_buyumesi",
  FreeCashFlowGrowth = "serbest_nakit_akisi_buyumesi",
  CashConversionCycle = "cash-conversion-cycle",
  DaysSalesOutstanding = "days-sales-outstanding",
  DaysPayable = "days-payable",
  DaysInventory = "days-inventory",

  EBITDAMargin = "favok_marji",
  InventoryTurnover = "inventory-turnover",
  DepositGrowth = "mevduat_buyumesi",
  NetInterestMargin = "net_faiz_marji",
  CompensationGrowth = "gerceklesen_tazminatlar_buyumesi",
  PremiumPerCompensation = "prim_basina_tazminat_orani",
  EnterpriseValueToOperatingCashFlow = "evOcf",
  EarningsBeforeTax = "ebt",
  CapitalExpenditure = "capex",
  FinancialInvestments = "financial_investments",
  RealtimeEarningsPerShare = "realtime_eps-basic",
  RealtimeMarketValue = "realtime_piyasa_degeri",
  RealtimePriceToBookRatio = "realtime_pb-ratio",
  RealtimePriceToEarningsRatio = "realtime_pe-ratio",
  CurrentRatio = "current-ratio",
  AssetTurnover = "asset-turnover",
  TotalOperationalExpense = "total_operational_expense",
  TotalOperationalExpenseToGrossProfit = "total_operational_expense_gross_profit_ratio",
  CashAndCashEquivalents = "cash_and_cash_equivalents",
  CashToAssets = "cash_to_assets",
  CapexToNetProfit = "capex_to_net_profit",
  RealtimeEnterpriseValueToEBITDA = "realtime_ev-to-ebitda",
  ReceivablesTurnover = "alacak_devir_hizi",
  EarningsPerShare = "eps-basic",
  CreditToAssetRatio = "kredi_aktif_orani",
  CreditToDepositRatio = "kredi_mevduat_orani",
  TechnicalProfitGrowth = "teknik_kar_buyumesi",
  NetEarnedPremiumGrowth = "net_kazanilan_prim_buyumesi",
  EBITGrowth = "ebitGrowth",
  CashReturnOnInvestedCapital = "croic",
  MarketCapitalization = "piyasa_degeri",
  ShortTermToLongTermObligations = "short_term_obligations_long_term_obligations",
  RetainedEarnings = "retained_earnings",
  ThreeYearCAGRFreeCashFlow = "three_year_cagr_free_cash_flow",
  LongTermLoansToPeriodicProfitRatio = "long_term_loans_period_profit_ratio",
  LongTermLoans = "long_term_loans",
  CommercialReceivablesToTotalCurrentAssets = "commercial_receivables_total_current_assets",
  StockGrowth = "stock_growth",
  FiveYearRetainedEarningsChange = "five_year_retained_earnings_change",
  ThreeYearCAGRRetainedEarnings = "three_year_cagr_retained_earnings",
  PotentialOperatingCashFlow = "pocf",
  FreeCashFlowToEnterpriseValue = "fcfEv",
  DebtToDeposit = "dd",
  NetDebt = "net_borc",
  PaidCapital = "odenmis_sermaye",
  FinancialExpensesToEBIT = "financial_expenses_ebit_ratio",
}

export interface StockHistoricalRatiosDescription {
  id: number;
  format: string;
  currency: Currency;
  slug: string;
  createdAt: string;
  updatedAt: string;
  name: string;
  description: string;
  locale: Locale;
  isRealtime: boolean;
}

export interface HistoricalFinancialSheets {
  sheets: HistoricalFinancialSheet[];
}

export interface HistoricalFinancialSheet {
  period: string;
  items: HistoricalFinancialSheetRow[];
}

export interface HistoricalFinancialSheetRow {
  description: string;
  value: number;
  lineCodeId: number;
  indentLevel: number;
}

export enum FinancialSheetType {
  IncomeStatement = "incomeStatement",
  BalanceSheet = "balanceSheet",
  CashFlow = "cashFlowStatement",
}

export enum FinancialSheetPeriod {
  Annual = "annual",
  Quarterly = "quarterly",
  Cumulative = "cumulative",
}

export enum Currency {
  USD = "USD",
  TRY = "TRY",
  EUR = "EUR",
}

export interface FinancialSheetDate {
  day: number;
  month: number;
  year: number;
}

export class FinancialClient extends Client {
  async getFinancialRatioComparison(
    symbol: string,
    region: Region,
    peerType: RatioComparisonPeerType
  ): Promise<StockPeerFinancialRatioComparison[]> {
    return this.sendRequest<StockPeerFinancialRatioComparison[]>({
      method: "GET",
      url: "/api/v2/stock/financial-ratio-comparison",
      params: { symbol, region, peerType },
    });
  }

  async getHistoricalRatios(
    symbol: string,
    keys: HistoricalRatiosKey[],
    region: Region,
    locale?: Locale
  ): Promise<StockHistoricalRatios[]> {
    return this.sendRequest<StockHistoricalRatios[]>({
      method: "GET",
      url: "/api/v2/stock/historical-ratios",
      params: {
        symbol,
        region,
        slugs: keys.join(","),
        ...(locale != null && { locale }),
      },
    });
  }

  async getHistoricalRatiosDescriptions(
    locale: Locale,
    region: Region
  ): Promise<StockHistoricalRatiosDescription[]> {
    return this.sendRequest<StockHistoricalRatiosDescription[]>({
      method: "GET",
      url: "/api/v2/stock/historical-ratios/descriptions",
      params: { locale, region },
    });
  }

  async getHistoricalFinancialSheets(
    symbol: string,
    from: FinancialSheetDate,
    to: FinancialSheetDate,
    sheetType: FinancialSheetType,
    period: FinancialSheetPeriod,
    currency: Currency,
    region: Region
  ): Promise<HistoricalFinancialSheets> {
    if (
      sheetType === FinancialSheetType.BalanceSheet &&
      period !== FinancialSheetPeriod.Cumulative
    ) {
      throw new Error("balance sheet is only available for cumulative period");
    }

    const formatDate = (d: FinancialSheetDate) =>
      `${d.year.toString().padStart(4, "0")}-${d.month
        .toString()
        .padStart(2, "0")}-${d.day.toString().padStart(2, "0")}`;

    return this.sendRequest<HistoricalFinancialSheets>({
      method: "GET",
      url: "/api/v3/stock/historical-financial-sheets",
      params: {
        symbol,
        from: formatDate(from),
        to: formatDate(to),
        sheetType,
        periodType: period,
        currency,
        region,
      },
    });
  }
}