import {z} from 'zod'

export type UpdateLabelRequest = {value: string, color: string};

export type PatchApiApiV1ProjectsProjectIdLabelsLabelIdArgs = {labelId: string, projectId: string, body: UpdateLabelRequest};

export type PatchApiApiV1ProjectsProjectIdLabelsLabelIdOptions = {baseUrl: string, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const projectLabelDTO = z.object({id: z.string(), value: z.string(), color: z.string()});

export const projectLabelResponse = z.object({data: projectLabelDTO});

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
};

/**
 * Update a project's label
 * 
 * PATCH /api/v1/projects/{projectId}/labels/{labelId}
 */
export const patchApiApiV1ProjectsProjectIdLabelsLabelId = async (args: PatchApiApiV1ProjectsProjectIdLabelsLabelIdArgs, options: PatchApiApiV1ProjectsProjectIdLabelsLabelIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch, oauth2} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/projects/${encodeURIComponent(String(args.projectId))}/labels/${encodeURIComponent(String(args.labelId))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", 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(projectLabelResponse, await res.json())
};