import {z} from 'zod'

export type GetApiApiPropfirmsSuggestedStrategiesArgs = {productType?: string | undefined};

export type GetApiApiPropfirmsSuggestedStrategiesOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiApiPropfirmsSuggestedStrategiesResponse = z.object({data: z.object({strategies: z.array(z.object({propfirmId: z.string(), propfirmName: z.string(), id: z.string(), startDate: z.string().nullable(), ticker: z.string(), timeframe: z.number().nullable(), netProfit: z.number().nullable(), closedTrades: z.number().nullable(), winrate: z.number().nullable(), profitFactor: z.number().nullable(), maxDrawdownPct: z.number().nullable(), avgTrade: z.number().nullable(), avgWinningTrade: z.number().nullable(), avgLosingTrade: z.number().nullable(), longConditions: z.array(z.string()), shortConditions: z.array(z.string()), currency: z.string(), historicalNetProfit: z.array(z.number()).nullable(), productType: z.enum(["Futures", "CFD"])}))}), errors: z.unknown()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Public: suggested backtesting strategies per propfirm, optionally filtered by product type
 * 
 * GET /api/propfirms/suggested-strategies
 */
export const getApiApiPropfirmsSuggestedStrategies = async (args: GetApiApiPropfirmsSuggestedStrategiesArgs, options?: GetApiApiPropfirmsSuggestedStrategiesOptions) => {
const {baseUrl = "https://app.luxalgo.com", fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.productType != null) query.append("productType", String(args.productType))

const url = `${baseUrl.replace(/\/+$/, '')}/api/propfirms/suggested-strategies${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(getApiApiPropfirmsSuggestedStrategiesResponse, await res.json())
};