import {z} from 'zod'

export type TelexMessageDto = {to: string, message: string};

export type CreateApiTxmsgArgs = {body: TelexMessageDto};

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

export const telexMessage = z.object({id: z.string(), createdAt: z.string(), received: z.boolean(), message: z.string(), isProfane: z.boolean(), from: z.object({id: z.string(), isActive: z.boolean(), firstContact: z.string(), lastContact: z.string(), flight: z.string(), location: z.object({x: z.number(), y: z.number()}), trueAltitude: z.number(), heading: z.number().gte(0).lte(360), freetextEnabled: z.boolean(), aircraftType: z.string(), origin: z.string().optional(), destination: z.string().optional()}), to: z.object({id: z.string(), isActive: z.boolean(), firstContact: z.string(), lastContact: z.string(), flight: z.string(), location: z.object({x: z.number(), y: z.number()}), trueAltitude: z.number(), heading: z.number().gte(0).lte(360), freetextEnabled: z.boolean(), aircraftType: z.string(), origin: z.string().optional(), destination: z.string().optional()})});

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
};

/**
 * POST /txmsg
 */
export const createApiTxmsg = async (args: CreateApiTxmsgArgs, options: CreateApiTxmsgOptions) => {
const {baseUrl, fetch: fetchFn = fetch, jwt} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/txmsg${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

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