import {z} from 'zod'

export type UserSimple = {'avatar-thumb-url'?: unknown | undefined, 'created-at'?: unknown | undefined, email: unknown, 'employee-number'?: unknown | undefined, firstname: unknown, fullname?: unknown | undefined, id?: number | undefined, lastname: unknown, login: unknown, 'salesforce-id': unknown, 'updated-at'?: unknown | undefined};

export type Task = {'created-at'?: unknown | undefined, 'created-by'?: UserSimple | undefined, description?: unknown | undefined, 'due-date'?: unknown | undefined, duration?: number | undefined, id?: number | undefined, linkable: Task, 'linkable-id'?: number | undefined, 'linkable-type'?: unknown | undefined, owner: UserSimple, 'owner-id'?: number | undefined, percentage?: number | undefined, 'resolved-at'?: unknown | undefined, 'resolved-by'?: UserSimple | undefined, 'start-date'?: unknown | undefined, status?: unknown | undefined, 'task-id'?: number | undefined, title: unknown, 'updated-at'?: unknown | undefined, 'updated-by'?: UserSimple | undefined};

export type CreateApiTasksArgs = {return_object?: ('limited' | 'shallow' | 'none') | undefined, filter?: string | undefined, body: Task};

export type CreateApiTasksOptions = {baseUrl?: string | undefined, OAuth2AccessCode?: string | undefined, fetch?: typeof fetch | undefined};

export const userSimple = z.object({"avatar-thumb-url": z.string().optional(), "created-at": z.string().optional(), email: z.string(), "employee-number": z.string().optional(), firstname: z.string(), fullname: z.string().optional(), id: z.number().int().optional(), lastname: z.string(), login: z.string(), "salesforce-id": z.string(), "updated-at": z.string().optional()});

export const task: z.ZodType<Task> = z.object({"created-at": z.string().optional(), "created-by": userSimple.optional(), description: z.string().optional(), "due-date": z.string().optional(), duration: z.number().optional(), id: z.number().int().optional(), linkable: z.lazy(() => task), "linkable-id": z.number().int().optional(), "linkable-type": z.string().optional(), owner: userSimple, "owner-id": z.number().int().optional(), percentage: z.number().int().optional(), "resolved-at": z.string().optional(), "resolved-by": userSimple.optional(), "start-date": z.string().optional(), status: z.string().optional(), "task-id": z.number().int().optional(), title: z.string(), "updated-at": z.string().optional(), "updated-by": userSimple.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
};

/**
 * /tasks
 * 
 * POST /tasks
 * 
 * Also accepts auth: OAuth2ClientCredential
 */
export const createApiTasks = async (args: CreateApiTasksArgs, options?: CreateApiTasksOptions) => {
const {baseUrl = "https://r38.coupadev.com/api", fetch: fetchFn = fetch, OAuth2AccessCode} = options ?? {}

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

if (args.return_object != null) query.append("return_object", String(args.return_object))
if (args.filter != null) query.append("filter", String(args.filter))
if (OAuth2AccessCode !== undefined) headers.set('authorization', `Bearer ${OAuth2AccessCode}`)

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