import {z} from 'zod'

export type GetApiIrSymbolAlertRulesArgs = {symbol: string};

export type GetApiIrSymbolAlertRulesOptions = {baseUrl?: string | undefined, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const fireAntApiModelsIRIRAlertRuleItem = z.object({ruleId: z.number().int().optional(), companyId: z.number().int().optional(), name: z.string().optional(), metric: z.string().optional(), condition: z.union([z.literal(1), z.literal(2), z.literal(3), z.literal(4)]).optional(), threshold: z.number().optional(), windowHours: z.number().int().optional(), channels: z.string().optional(), recipients: z.string().optional(), cooldownMinutes: z.number().int().optional(), isActive: z.boolean().optional(), lastTriggeredDate: z.string().optional(), createdBy: z.string().optional(), createdDate: z.string().optional()});

export const getApiIrSymbolAlertRulesResponse = z.array(fireAntApiModelsIRIRAlertRuleItem);

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
};

/**
 * Quy tắc cảnh báo tự động
 * 
 * GET /ir/{symbol}/alert-rules
 */
export const getApiIrSymbolAlertRules = async (args: GetApiIrSymbolAlertRulesArgs, options?: GetApiIrSymbolAlertRulesOptions) => {
const {baseUrl = "https://api.fireant.vn", fetch: fetchFn = fetch, oauth2} = options ?? {}

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

if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/ir/${encodeURIComponent(String(args.symbol))}/alert-rules${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(getApiIrSymbolAlertRulesResponse, await res.json())
};