import {z} from 'zod'

export type GetApiV1DiscussionsArgs = {assetId?: string | undefined, assetVersionId?: string | undefined, boardId?: string | undefined, resolved?: ('true' | 'false') | undefined, sortBy?: ('lastCommentedAt' | 'createdAt') | undefined, sortDirection?: ('asc' | 'desc') | undefined, limit?: string | undefined, cursor?: string | undefined};

export type GetApiV1DiscussionsOptions = {baseUrl: string, ApiKeyAuth?: string | undefined, WorkspaceIdAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const boxAnnotation = z.object({type: z.literal("box"), timestamp: z.number().optional(), endTimestamp: z.number().optional(), coordinates: z.object({x: z.number().gte(0).lte(1), y: z.number().gte(0).lte(1)}), dimensions: z.object({width: z.number().gte(0).lte(1), height: z.number().gte(0).lte(1)}), color: z.string(), pageNumber: z.number().int().gte(1).optional()});

export const pencilAnnotation = z.object({type: z.literal("pencil"), timestamp: z.number().optional(), endTimestamp: z.number().optional(), lines: z.array(z.object({coordinates: z.array(z.object({x: z.number().gte(0).lte(1), y: z.number().gte(0).lte(1)})), lineWidth: z.number(), color: z.string(), pageNumber: z.number().int().gte(1).optional()}))});

export const discussionAnnotation = z.discriminatedUnion("type", [boxAnnotation, pencilAnnotation]);

export const discussionAuthor = z.object({type: z.enum(["workspace_account", "anonymous"]), id: z.string().optional(), displayName: z.string().nullable()});

export const discussionMention = z.object({id: z.string(), displayName: z.string().nullable()});

export const discussionComment = z.object({id: z.string(), discussionId: z.string(), body: z.string(), createdAt: z.string(), updatedAt: z.string(), author: discussionAuthor, mentions: z.array(discussionMention)});

export const cursorPage = z.object({hasMore: z.boolean(), cursor: z.string().nullable()});

export const commentList = z.object({data: z.array(discussionComment), pagination: cursorPage, total: z.number().int()});

export const discussion = z.object({id: z.string(), resolved: z.boolean(), createdAt: z.string().nullable(), lastCommentedAt: z.string().nullable(), asset: z.object({id: z.string()}), assetVersion: z.object({id: z.string(), version: z.number().int()}), boardId: z.string().optional(), annotations: z.array(discussionAnnotation), comments: commentList});

export const discussionList = z.object({data: z.array(discussion), pagination: cursorPage, total: z.number().int()});

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
};

/**
 * /discussions
 * 
 * GET /v1/discussions
 * 
 * Also accepts auth: BearerAuth + WorkspaceIdAuth
 */
export const getApiV1Discussions = async (args: GetApiV1DiscussionsArgs, options: GetApiV1DiscussionsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, ApiKeyAuth, WorkspaceIdAuth} = options ?? {}

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

if (args.assetId != null) query.append("assetId", String(args.assetId))
if (args.assetVersionId != null) query.append("assetVersionId", String(args.assetVersionId))
if (args.boardId != null) query.append("boardId", String(args.boardId))
if (args.resolved != null) query.append("resolved", String(args.resolved))
if (args.sortBy != null) query.append("sortBy", String(args.sortBy))
if (args.sortDirection != null) query.append("sortDirection", String(args.sortDirection))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (ApiKeyAuth !== undefined) headers.set("x-api-key", ApiKeyAuth)
if (WorkspaceIdAuth !== undefined) headers.set("x-air-workspace-id", WorkspaceIdAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/discussions${query.size > 0 ? `?${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(discussionList, await res.json())
};