import {z} from 'zod'

export type CommitRequest = {committer_email: string, committer_name: string, message: string};

export type CreateApiV0SitesSiteIdEnvironmentsEnvIdCodeCommitArgs = {site_id: string, env_id: string, body: CommitRequest};

export type CreateApiV0SitesSiteIdEnvironmentsEnvIdCodeCommitOptions = {baseUrl?: string | undefined, bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const workflowCreationResponse = z.object({active_description: z.string().optional(), id: z.string(), number_of_tasks: z.number().int().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
};

/**
 * Commit Environment Changes
 * 
 * POST /v0/sites/{site_id}/environments/{env_id}/code/commit
 */
export const createApiV0SitesSiteIdEnvironmentsEnvIdCodeCommit = async (args: CreateApiV0SitesSiteIdEnvironmentsEnvIdCodeCommitArgs, options?: CreateApiV0SitesSiteIdEnvironmentsEnvIdCodeCommitOptions) => {
const {baseUrl = "https://api.pantheon.io", fetch: fetchFn = fetch, bearer} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v0/sites/${encodeURIComponent(String(args.site_id))}/environments/${encodeURIComponent(String(args.env_id))}/code/commit${query.size > 0 ? `?${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(workflowCreationResponse, await res.json())
};