import {z} from 'zod'

export type GetApiReposIssuesSearchArgs = {state?: ('open' | 'closed' | 'all') | undefined, labels?: string | undefined, milestones?: string | undefined, q?: string | undefined, type?: ('issues' | 'pulls') | undefined, since?: string | undefined, before?: string | undefined, assigned?: boolean | undefined, created?: boolean | undefined, mentioned?: boolean | undefined, review_requested?: boolean | undefined, reviewed?: boolean | undefined, owner?: string | undefined, created_by?: string | undefined, team?: string | undefined, page?: number | undefined, limit?: number | undefined};

export type GetApiReposIssuesSearchOptions = {baseUrl: string, BasicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const attachment = z.object({browser_download_url: z.string().optional(), created_at: z.string().optional(), download_count: z.number().int().optional(), id: z.number().int().optional(), name: z.string().optional(), size: z.number().int().optional(), uuid: z.string().optional()});

export const user = z.object({active: z.boolean().optional(), avatar_url: z.string().optional(), created: z.string().optional(), description: z.string().optional(), email: z.string().optional(), followers_count: z.number().int().optional(), following_count: z.number().int().optional(), full_name: z.string().optional(), html_url: z.string().optional(), id: z.number().int().optional(), is_admin: z.boolean().optional(), language: z.string().optional(), last_login: z.string().optional(), location: z.string().optional(), login: z.string().optional(), login_name: z.string().optional(), prohibit_login: z.boolean().optional(), restricted: z.boolean().optional(), source_id: z.number().int().optional(), starred_repos_count: z.number().int().optional(), type: z.enum(["User", "Organization", "Bot"]).optional(), visibility: z.enum(["public", "limited", "private"]).optional(), website: z.string().optional()});

export const label = z.object({color: z.string().optional(), description: z.string().optional(), exclusive: z.boolean().optional(), id: z.number().int().optional(), is_archived: z.boolean().optional(), name: z.string().optional(), url: z.string().optional()});

export const milestone = z.object({closed_at: z.string().optional(), closed_issues: z.number().int().optional(), created_at: z.string().optional(), description: z.string().optional(), due_on: z.string().optional(), id: z.number().int().optional(), open_issues: z.number().int().optional(), state: z.enum(["open", "closed"]).optional(), title: z.string().optional(), updated_at: z.string().optional()});

export const project = z.object({card_type: z.string().optional(), closed_at: z.string().optional(), created_at: z.string().optional(), creator: user.optional(), creator_id: z.number().int().optional(), description: z.string().optional(), html_url: z.string().optional(), id: z.number().int().optional(), is_closed: z.boolean().optional(), num_closed_issues: z.number().int().optional(), num_issues: z.number().int().optional(), num_open_issues: z.number().int().optional(), owner_id: z.number().int().optional(), repo_id: z.number().int().optional(), state: z.enum(["open", "closed"]).optional(), template_type: z.string().optional(), title: z.string().optional(), type: z.string().optional(), updated_at: z.string().optional()});

export const pullRequestMeta = z.object({draft: z.boolean().optional(), html_url: z.string().optional(), merged: z.boolean().optional(), merged_at: z.string().optional()});

export const repositoryMeta = z.object({full_name: z.string().optional(), id: z.number().int().optional(), name: z.string().optional(), owner: z.string().optional()});

export const issue = z.object({assets: z.array(attachment).optional(), assignee: user.optional(), assignees: z.array(user).optional(), body: z.string().optional(), closed_at: z.string().optional(), comments: z.number().int().optional(), content_version: z.number().int().optional(), created_at: z.string().optional(), due_date: z.string().optional(), html_url: z.string().optional(), id: z.number().int().optional(), is_locked: z.boolean().optional(), labels: z.array(label).optional(), milestone: milestone.optional(), number: z.number().int().optional(), pin_order: z.number().int().optional(), projects: z.array(project).optional(), pull_request: pullRequestMeta.optional(), ref: z.string().optional(), repository: repositoryMeta.optional(), state: z.enum(["open", "closed"]).optional(), time_estimate: z.number().int().optional(), title: z.string().optional(), updated_at: z.string().optional(), url: z.string().optional(), user: user.optional()});

export const getApiReposIssuesSearchResponse = z.array(issue);

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
};

/**
 * Search for issues across the repositories that the user has access to
 * 
 * GET /repos/issues/search
 * 
 * Also accepts auth: Token, AccessToken, AuthorizationHeaderToken, SudoParam, SudoHeader, TOTPHeader
 */
export const getApiReposIssuesSearch = async (args: GetApiReposIssuesSearchArgs, options: GetApiReposIssuesSearchOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BasicAuth} = options ?? {}

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

if (args.state != null) query.append("state", String(args.state))
if (args.labels != null) query.append("labels", String(args.labels))
if (args.milestones != null) query.append("milestones", String(args.milestones))
if (args.q != null) query.append("q", String(args.q))
if (args.type != null) query.append("type", String(args.type))
if (args.since != null) query.append("since", String(args.since))
if (args.before != null) query.append("before", String(args.before))
if (args.assigned != null) query.append("assigned", String(args.assigned))
if (args.created != null) query.append("created", String(args.created))
if (args.mentioned != null) query.append("mentioned", String(args.mentioned))
if (args.review_requested != null) query.append("review_requested", String(args.review_requested))
if (args.reviewed != null) query.append("reviewed", String(args.reviewed))
if (args.owner != null) query.append("owner", String(args.owner))
if (args.created_by != null) query.append("created_by", String(args.created_by))
if (args.team != null) query.append("team", String(args.team))
if (args.page != null) query.append("page", String(args.page))
if (args.limit != null) query.append("limit", String(args.limit))
if (BasicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${BasicAuth.username}:${BasicAuth.password}`)}`)

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