import {z} from 'zod'

export type GetApiV1CompareArgs = {codes: string, years?: number | undefined, fiscal_year?: (number | null) | undefined};

export type GetApiV1CompareOptions = {baseUrl: string, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const companyOut = z.object({edinet_code: z.string(), securities_code: z.string().nullable().optional(), name_jp: z.string(), name_en: z.string().nullable().optional(), name_en_quality: z.string().nullable().optional(), name_en_resolved_at: z.string().nullable().optional(), sector: z.string().nullable().optional(), sector_en: z.string().nullable().optional(), fiscal_year_end: z.string().nullable().optional(), listing: z.string().nullable().optional(), listing_en: z.string().nullable().optional(), sector_display: z.string().optional(), entity_type: z.string().nullable().optional(), created_at: z.string(), updated_at: z.string()});

export const compareFinancials = z.object({revenue: z.number().int().nullable().optional(), gross_profit: z.number().int().nullable().optional(), net_income: z.number().int().nullable().optional(), operating_income: z.number().int().nullable().optional(), total_assets: z.number().int().nullable().optional(), total_equity: z.number().int().nullable().optional(), current_assets: z.number().int().nullable().optional(), current_liabilities: z.number().int().nullable().optional(), eps: z.number().nullable().optional(), bps: z.number().nullable().optional()});

export const compareRatios = z.object({roe: z.number().nullable().optional(), roa: z.number().nullable().optional(), operating_margin: z.number().nullable().optional(), net_margin: z.number().nullable().optional(), equity_ratio: z.number().nullable().optional()});

export const compareResultOut = z.object({company: companyOut, fiscal_year: z.number().int(), financials: compareFinancials, ratios: compareRatios});

export const axioraApiSchemasMeta = z.record(z.string(), z.unknown());

export const listResponseCompareResultOut = z.object({data: z.array(compareResultOut), meta: axioraApiSchemasMeta});

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
};

/**
 * Compare Companies
 * 
 * GET /v1/compare
 */
export const getApiV1Compare = async (args: GetApiV1CompareArgs, options: GetApiV1CompareOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.codes != null) query.append("codes", String(args.codes))
if (args.years != null) query.append("years", String(args.years))
if (args.fiscal_year != null) query.append("fiscal_year", String(args.fiscal_year))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/compare${query.size > 0 ? `?${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(listResponseCompareResultOut, await res.json())
};