import {z} from 'zod'

export type GetApiV3SearchArgs = {q?: string | undefined};

export type GetApiV3SearchOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const avatarRelated = z.object({images: z.array(z.object({url: z.string().optional(), width: z.number().int().optional(), height: z.number().int().optional(), size: z.number().int().optional()})).optional(), uid: z.string().optional(), uri: z.string().optional()});

export const userRelated = z.object({username: z.string().optional(), profileUrl: z.string().optional(), account: z.string().optional(), displayName: z.string().optional(), uid: z.string().optional(), uri: z.string().optional(), avatar: avatarRelated.optional()});

export const thumbnailsRelated = z.object({images: z.array(z.object({url: z.string().optional(), width: z.number().int().optional(), size: z.number().int().nullable().optional(), uid: z.string().optional(), height: z.number().int().optional()})).optional()});

export const archiveNested = z.object({faceCount: z.number().int().optional(), textureCount: z.number().int().optional(), size: z.number().int().optional(), vertexCount: z.number().int().optional(), textureMaxResolution: z.number().int().optional()});

export const modelSearchList = z.object({uid: z.string().optional(), animationCount: z.number().int().optional(), viewerUrl: z.string().optional(), publishedAt: z.string().optional(), likeCount: z.number().int().optional(), commentCount: z.number().int().optional(), user: userRelated.optional(), isDownloadable: z.boolean().optional(), name: z.string().optional(), viewCount: z.number().int().optional(), thumbnails: thumbnailsRelated.optional(), license: z.string().optional(), isPublished: z.boolean().optional(), staffpickedAt: z.string().nullable().optional(), archives: z.object({source: archiveNested.optional(), glb: archiveNested.optional(), usdz: archiveNested.optional(), gltf: archiveNested.optional()}).optional(), embedUrl: z.string().optional()});

export const collectionSearchList = z.object({description: z.string().nullable().optional(), collectionUrl: z.string().optional(), modelCount: z.number().int().optional(), user: userRelated.optional(), updatedAt: z.string().optional(), uid: z.string().optional(), embedUrl: z.string().optional(), slug: z.string().optional(), createdAt: z.string().optional(), name: z.string().optional()});

export const skillDetail = z.object({name: z.string().optional(), uri: z.string().optional()});

export const userSearchList = z.object({username: z.string().optional(), city: z.string().nullable().optional(), followerCount: z.number().int().optional(), displayName: z.string().optional(), uid: z.string().optional(), skills: z.array(skillDetail).optional(), country: z.string().nullable().optional(), account: z.string().optional(), modelCount: z.number().int().optional(), profileUrl: z.string().optional(), avatar: avatarRelated.optional()});

export const userSearchResponse = z.object({results: z.array(userSearchList).optional()});

export const globalSearchResponse = z.object({results: z.object({models: z.array(modelSearchList).optional(), collections: z.array(collectionSearchList).optional(), users: z.array(userSearchResponse).optional()}).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
};

/**
 * Search in models, collections, users
 * 
 * GET /v3/search
 */
export const getApiV3Search = async (args: GetApiV3SearchArgs, options?: GetApiV3SearchOptions) => {
const {baseUrl = "https://api.sketchfab.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.q != null) query.append("q", String(args.q))

const url = `${baseUrl.replace(/\/+$/, '')}/v3/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(globalSearchResponse, await res.json())
};