import {z} from 'zod'

export type CreateOverrideRequest = {covering_for?: (string | null) | undefined, end_at: number, reason?: (string | null) | undefined, rotation_id?: (string | null) | undefined, start_at: number, user_email: string};

export type CreateApiApiOrgIdOncallTeamsTeamIdOverridesArgs = {org_id: string, team_id: string, body: CreateOverrideRequest};

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

export const scheduleOverride = z.object({covering_for: z.string().nullable().optional(), created_at: z.number().int(), created_by: z.string(), end_at: z.number().int(), id: z.string(), org_id: z.string(), reason: z.string().nullable().optional(), rotation_id: z.string(), start_at: z.number().int(), team_id: z.string(), user_email: z.string()});

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
};

/**
 * Arrange cover for a bounded window
 * 
 * POST /api/{org_id}/oncall/teams/{team_id}/overrides
 */
export const createApiApiOrgIdOncallTeamsTeamIdOverrides = async (args: CreateApiApiOrgIdOncallTeamsTeamIdOverridesArgs, options: CreateApiApiOrgIdOncallTeamsTeamIdOverridesOptions) => {
const {baseUrl, fetch: fetchFn = fetch, Authorization} = options ?? {}

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

if (Authorization !== undefined) headers.set("Authorization", Authorization)

const url = `${baseUrl.replace(/\/+$/, '')}/api/${encodeURIComponent(String(args.org_id))}/oncall/teams/${encodeURIComponent(String(args.team_id))}/overrides${query.size > 0 ? `?${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(scheduleOverride, await res.json())
};