import {z} from 'zod'

export type GetApiReposOwnerRepositoryStatsQueuesEnteredCountArgs = {repository: string, owner: string, base_ref?: (Array<string> | null) | undefined, queue_name?: (Array<string> | null) | undefined, priority_rule_name?: (Array<string> | null) | undefined, start_at?: (string | null) | undefined, end_at?: (string | null) | undefined};

export type GetApiReposOwnerRepositoryStatsQueuesEnteredCountOptions = {baseUrl: string, AdminApplicationKey?: string | undefined, fetch?: typeof fetch | undefined};

export const enteredInInterval = z.object({start: z.string(), end: z.string(), entered: z.number().int()});

export const enteredGroupResponse = z.object({base_ref: z.string(), queue_name: z.string(), priority_rule_name: z.string().nullable(), stats: z.array(enteredInInterval)});

export const enteredCountResponse = z.object({groups: z.array(enteredGroupResponse)});

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
};

/**
 * Get the count of pull requests entering the queues
 * 
 * GET /repos/{owner}/{repository}/stats/queues_entered_count
 * 
 * Also accepts auth: MergifyTokenBearerAuth, GitHubTokenBearerAuth
 */
export const getApiReposOwnerRepositoryStatsQueuesEnteredCount = async (args: GetApiReposOwnerRepositoryStatsQueuesEnteredCountArgs, options: GetApiReposOwnerRepositoryStatsQueuesEnteredCountOptions) => {
const {baseUrl, fetch: fetchFn = fetch, AdminApplicationKey} = options ?? {}

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

for (const item of args.base_ref ?? []) query.append("base_ref", String(item))
for (const item of args.queue_name ?? []) query.append("queue_name", String(item))
for (const item of args.priority_rule_name ?? []) query.append("priority_rule_name", String(item))
if (args.start_at != null) query.append("start_at", String(args.start_at))
if (args.end_at != null) query.append("end_at", String(args.end_at))
if (AdminApplicationKey !== undefined) headers.set('authorization', `Bearer ${AdminApplicationKey}`)

const url = `${baseUrl.replace(/\/+$/, '')}/repos/${encodeURIComponent(String(args.owner))}/${encodeURIComponent(String(args.repository))}/stats/queues_entered_count${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

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

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