package sdk

import (
	"context"
	"strconv"
	"strings"
)

type Tick struct {
	LastPrice float64
	LastClose float64
	Raw       map[string]any
}

type HistoryDataRequest struct {
	Len          int
	Period       string
	Field        string
	DividendType int
	SkipPaused   *bool
}

type MarketDataRequest struct {
	Fields       []string
	Stocks       []string
	StartTime    string
	EndTime      string
	Period       string
	DividendType string
	Count        int
}

type SubscribeResult struct {
	Status string `json:"status"`
	SubID  any    `json:"sub_id"`
}

func (c *Client) StockName(ctx context.Context, stockcode string) (any, error) {
	return c.postField(ctx, "/api/data/stock_name", map[string]any{"stockcode": stockcode}, "name")
}

func (c *Client) OpenDate(ctx context.Context, stockcode string) (any, error) {
	return c.postField(ctx, "/api/data/open_date", map[string]any{"stockcode": stockcode}, "open_date")
}

func (c *Client) LastVolume(ctx context.Context, stockcode string) (any, error) {
	return c.postField(ctx, "/api/data/last_volume", map[string]any{"stockcode": stockcode}, "last_volume")
}

func (c *Client) BarTimetag(ctx context.Context, index int) (any, error) {
	return c.postField(ctx, "/api/data/bar_timetag", map[string]any{"index": index}, "timetag")
}

func (c *Client) TickTimetag(ctx context.Context) (any, error) {
	return c.getField(ctx, "/api/data/tick_timetag", "timetag")
}

func (c *Client) Sector(ctx context.Context, sector string, realtime int) ([]any, error) {
	var out struct {
		Stocks []any `json:"stocks"`
	}
	if err := c.post(ctx, "/api/data/sector", map[string]any{"sector": sector, "realtime": realtime}, &out); err != nil {
		return nil, err
	}
	return out.Stocks, nil
}

func (c *Client) Industry(ctx context.Context, industry string) ([]any, error) {
	var out struct {
		Stocks []any `json:"stocks"`
	}
	if err := c.post(ctx, "/api/data/industry", map[string]any{"industry": industry}, &out); err != nil {
		return nil, err
	}
	return out.Stocks, nil
}

func (c *Client) StockListInSector(ctx context.Context, sectorname string) ([]any, error) {
	var out struct {
		Stocks []any `json:"stocks"`
	}
	if err := c.post(ctx, "/api/data/stock_list_in_sector", map[string]any{"sectorname": sectorname}, &out); err != nil {
		return nil, err
	}
	return out.Stocks, nil
}

func (c *Client) WeightInIndex(ctx context.Context, indexcode, stockcode string) (any, error) {
	return c.postField(ctx, "/api/data/weight_in_index", map[string]any{"indexcode": indexcode, "stockcode": stockcode}, "weight")
}

func (c *Client) ContractMultiplier(ctx context.Context, contractcode string) (any, error) {
	return c.postField(ctx, "/api/data/contract_multiplier", map[string]any{"contractcode": contractcode}, "multiplier")
}

func (c *Client) RiskFreeRate(ctx context.Context, index int) (any, error) {
	return c.postField(ctx, "/api/data/risk_free_rate", map[string]any{"index": index}, "risk_free_rate")
}

func (c *Client) DateLocation(ctx context.Context, strdate string) (any, error) {
	return c.postField(ctx, "/api/data/date_location", map[string]any{"strdate": strdate}, "location")
}

func (c *Client) HistoryData(ctx context.Context, req HistoryDataRequest) (any, error) {
	if req.Len == 0 {
		req.Len = 10
	}
	skip := "true"
	if req.SkipPaused != nil {
		skip = strconv.FormatBool(*req.SkipPaused)
	}
	return c.postField(ctx, "/api/data/history_data", map[string]any{
		"len": req.Len, "period": req.Period, "field": req.Field,
		"dividend_type": req.DividendType, "skip_paused": skip,
	}, "data")
}

func (c *Client) marketDataBody(req MarketDataRequest) map[string]any {
	return map[string]any{
		"fields":        csvJoin(req.Fields),
		"stock_code":    csvJoin(req.Stocks),
		"start_time":    req.StartTime,
		"end_time":      req.EndTime,
		"period":        req.Period,
		"dividend_type": req.DividendType,
		"count":         req.Count,
	}
}

func (c *Client) MarketData(ctx context.Context, req MarketDataRequest) (any, error) {
	return c.postField(ctx, "/api/data/market_data", c.marketDataBody(req), "data")
}

func (c *Client) MarketDataEx(ctx context.Context, req MarketDataRequest) (any, error) {
	return c.postField(ctx, "/api/data/market_data_ex", c.marketDataBody(req), "data")
}

func (c *Client) FullTick(ctx context.Context, stocks []string) (map[string]Tick, error) {
	raw := map[string]any{}
	if err := c.post(ctx, "/api/data/full_tick", map[string]any{"stocks": stocks}, &raw); err != nil {
		return nil, err
	}
	out := make(map[string]Tick, len(raw))
	for code, v := range raw {
		tick := Tick{Raw: map[string]any{}}
		if m, ok := v.(map[string]any); ok {
			tick.Raw = m
			tick.LastPrice = asFloat(mapField(m, "lastPrice", "last_price", "LastPrice"))
			tick.LastClose = asFloat(mapField(m, "lastClose", "last_close", "LastClose"))
		}
		out[code] = tick
	}
	return out, nil
}

func (c *Client) DividFactors(ctx context.Context, stockcode string) (any, error) {
	return c.postField(ctx, "/api/data/divid_factors", map[string]any{"stockcode": stockcode}, "factors")
}

func (c *Client) MainContract(ctx context.Context, codemarket string) (any, error) {
	return c.postField(ctx, "/api/data/main_contract", map[string]any{"codemarket": codemarket}, "main_contract")
}

func (c *Client) TimetagToDatetime(ctx context.Context, timetag int64, format string) (any, error) {
	body := map[string]any{"timetag": timetag}
	if format != "" {
		body["format"] = format
	}
	return c.postField(ctx, "/api/data/timetag_to_datetime", body, "datetime")
}

func (c *Client) TotalShare(ctx context.Context, stockcode string) (any, error) {
	return c.postField(ctx, "/api/data/total_share", map[string]any{"stockcode": stockcode}, "total_share")
}

func (c *Client) TradingDates(ctx context.Context, stockcode, startDate, endDate, period string, count int) ([]any, error) {
	body := map[string]any{"stockcode": stockcode, "start_date": startDate, "end_date": endDate, "period": period}
	if count != 0 {
		body["count"] = count
	}
	var out struct {
		Dates []any `json:"dates"`
	}
	if err := c.post(ctx, "/api/data/trading_dates", body, &out); err != nil {
		return nil, err
	}
	return out.Dates, nil
}

func (c *Client) Svol(ctx context.Context, stockcode string) (any, error) {
	return c.postField(ctx, "/api/data/svol", map[string]any{"stockcode": stockcode}, "svol")
}

func (c *Client) Bvol(ctx context.Context, stockcode string) (any, error) {
	return c.postField(ctx, "/api/data/bvol", map[string]any{"stockcode": stockcode}, "bvol")
}

func (c *Client) Longhubang(ctx context.Context, stockList []string, startTime, endTime string) (any, error) {
	return c.postField(ctx, "/api/data/longhubang", map[string]any{
		"stock_list": csvJoin(stockList), "startTime": startTime, "endTime": endTime,
	}, "data")
}

func (c *Client) Top10ShareHolder(ctx context.Context, stockList []string, dataName, startTime, endTime string) (any, error) {
	return c.postField(ctx, "/api/data/top10_share_holder", map[string]any{
		"stock_list": csvJoin(stockList), "data_name": dataName, "start_time": startTime, "end_time": endTime,
	}, "data")
}

func (c *Client) OptionDetail(ctx context.Context, optioncode string) (any, error) {
	return c.postField(ctx, "/api/data/option_detail", map[string]any{"optioncode": optioncode}, "detail")
}

func (c *Client) TurnoverRate(ctx context.Context, stockList []string, startTime, endTime string) (any, error) {
	return c.postField(ctx, "/api/data/turnover_rate", map[string]any{
		"stock_list": csvJoin(stockList), "startTime": startTime, "endTime": endTime,
	}, "data")
}

func (c *Client) ETFInfo(ctx context.Context, stockcode string) (any, error) {
	return c.postField(ctx, "/api/data/etf_info", map[string]any{"stockcode": stockcode}, "info")
}

func (c *Client) ETFIOPV(ctx context.Context, stockcode string) (any, error) {
	return c.postField(ctx, "/api/data/etf_iopv", map[string]any{"stockcode": stockcode}, "iopv")
}

func (c *Client) InstrumentDetail(ctx context.Context, stockcode string) (any, error) {
	return c.postField(ctx, "/api/data/instrumentdetail", map[string]any{"stockcode": stockcode}, "detail")
}

func (c *Client) ContractExpireDate(ctx context.Context, codemarket string) (any, error) {
	return c.postField(ctx, "/api/data/contract_expire_date", map[string]any{"codemarket": codemarket}, "expire_date")
}

func (c *Client) OptionUndlData(ctx context.Context, undlCodeRef string) (any, error) {
	return c.postField(ctx, "/api/data/option_undl_data", map[string]any{"undl_code_ref": undlCodeRef}, "data")
}

type FinancialDataRequest struct {
	Tabname    string
	Colname    string
	Market     string
	Code       string
	ReportType string
	Barpos     int
	FieldList  []string
	StockList  []string
	StartDate  string
	EndDate    string
}

func (c *Client) FinancialData(ctx context.Context, req FinancialDataRequest) (any, error) {
	body := map[string]any{
		"tabname": req.Tabname, "colname": req.Colname, "market": req.Market, "code": req.Code,
		"report_type": req.ReportType, "barpos": req.Barpos,
		"fieldList": csvJoin(req.FieldList), "stockList": csvJoin(req.StockList),
		"startDate": req.StartDate, "endDate": req.EndDate,
	}
	return c.postField(ctx, "/api/data/financial_data", body, "data")
}

type FactorDataRequest struct {
	FieldList []string
	StockList []string
	StockCode string
	StartDate string
	EndDate   string
}

func (c *Client) FactorData(ctx context.Context, req FactorDataRequest) (any, error) {
	body := map[string]any{
		"fieldList": csvJoin(req.FieldList), "stockList": csvJoin(req.StockList),
		"stockCode": req.StockCode, "startDate": req.StartDate, "endDate": req.EndDate,
	}
	return c.postField(ctx, "/api/data/factor_data", body, "data")
}

func (c *Client) HisSTData(ctx context.Context, stockCode string) (any, error) {
	return c.postField(ctx, "/api/data/his_st_data", map[string]any{"stockCode": stockCode}, "data")
}

func (c *Client) HisIndexData(ctx context.Context, index string) (any, error) {
	return c.postField(ctx, "/api/data/his_index_data", map[string]any{"index": index}, "data")
}

func (c *Client) AllSubscription(ctx context.Context) (any, error) {
	return c.getField(ctx, "/api/data/all_subscription", "subscriptions")
}

func (c *Client) OptionList(ctx context.Context, undlCode, dedate, opttype string, isavailable bool) (any, error) {
	body := map[string]any{
		"undl_code": undlCode, "dedate": dedate, "opttype": opttype,
		"isavailable": strconv.FormatBool(isavailable),
	}
	return c.postField(ctx, "/api/data/option_list", body, "option_list")
}

func (c *Client) HisContractList(ctx context.Context, market string) (any, error) {
	return c.postField(ctx, "/api/data/his_contract_list", map[string]any{"market": market}, "contracts")
}

func (c *Client) OptionIV(ctx context.Context, optioncode string) (any, error) {
	return c.postField(ctx, "/api/data/option_iv", map[string]any{"optioncode": optioncode}, "iv")
}

type BSMPriceRequest struct {
	OptionType   string
	ObjectPrices any // float64 或 []float64
	StrikePrice  float64
	RiskFree     float64
	Sigma        float64
	Days         int
	Dividend     float64
}

func (c *Client) BSMPrice(ctx context.Context, req BSMPriceRequest) (any, error) {
	prices := req.ObjectPrices
	if vals, ok := req.ObjectPrices.([]float64); ok {
		parts := make([]string, len(vals))
		for i, v := range vals {
			parts[i] = strconv.FormatFloat(v, 'f', -1, 64)
		}
		prices = strings.Join(parts, ",")
	}
	return c.postField(ctx, "/api/data/bsm_price", map[string]any{
		"optionType": req.OptionType, "objectPrices": prices, "strikePrice": req.StrikePrice,
		"riskFree": req.RiskFree, "sigma": req.Sigma, "days": req.Days, "dividend": req.Dividend,
	}, "price")
}

type BSMIVRequest struct {
	OptionType   string  `json:"optionType"`
	ObjectPrices float64 `json:"objectPrices"`
	StrikePrice  float64 `json:"strikePrice"`
	OptionPrice  float64 `json:"optionPrice"`
	RiskFree     float64 `json:"riskFree"`
	Days         int     `json:"days"`
	Dividend     float64 `json:"dividend"`
}

func (c *Client) BSMIV(ctx context.Context, req BSMIVRequest) (any, error) {
	return c.postField(ctx, "/api/data/bsm_iv", req, "iv")
}

type LocalDataRequest struct {
	StockCode string `json:"stock_code"`
	StartTime string `json:"start_time,omitempty"`
	EndTime   string `json:"end_time,omitempty"`
	Period    string `json:"period,omitempty"`
	DividType string `json:"divid_type,omitempty"`
	Count     int    `json:"count"`
}

func (c *Client) LocalData(ctx context.Context, req LocalDataRequest) (any, error) {
	return c.postField(ctx, "/api/data/local_data", req, "data")
}

func (c *Client) SubscribeQuote(ctx context.Context, stockCode, period, dividendType string) (*SubscribeResult, error) {
	var out SubscribeResult
	body := map[string]any{"stock_code": stockCode, "period": period, "dividend_type": dividendType}
	if err := c.post(ctx, "/api/data/subscribe_quote", body, &out); err != nil {
		return nil, err
	}
	return &out, nil
}

func (c *Client) UnsubscribeQuote(ctx context.Context, subID int) (*SubscribeResult, error) {
	var out SubscribeResult
	if err := c.post(ctx, "/api/data/unsubscribe_quote", map[string]any{"sub_id": subID}, &out); err != nil {
		return nil, err
	}
	return &out, nil
}