import {z} from 'zod'

export type CreateApiV2ModsCheckUpdatesArgs = {body: {mods: Array<{remoteId: string, installedAt: string}>}};

export type CreateApiV2ModsCheckUpdatesOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiV2ModsCheckUpdatesResponse = z.object({updates: z.array(z.object({mod: z.object({id: z.string(), remoteId: z.string(), name: z.string(), description: z.string().nullable(), remoteUrl: z.string(), category: z.string(), likes: z.number().int().gte(-9007199254740991).lte(9007199254740991), author: z.string(), modAuthorId: z.string().nullable().optional(), downloadable: z.boolean(), remoteAddedAt: z.string(), remoteUpdatedAt: z.string(), tags: z.array(z.string()), images: z.array(z.string()), thumbnailUrl: z.string().nullable().optional(), hero: z.string().nullable(), isAudio: z.boolean(), isMap: z.boolean().optional(), audioUrl: z.string().nullable(), downloadCount: z.number().int().gte(-9007199254740991).lte(9007199254740991), isNSFW: z.boolean(), filesUpdatedAt: z.string().nullable(), metadata: z.object({mapName: z.string().optional(), donationLinks: z.array(z.object({url: z.string(), platform: z.string()})).optional()}).nullable().optional(), dependencies: z.array(z.object({label: z.string(), url: z.string().nullable(), remoteId: z.string().nullable(), level: z.enum(["required", "recommended"]).nullable()})).nullable().optional(), createdAt: z.string().nullable(), updatedAt: z.string().nullable()}), downloads: z.array(z.object({url: z.string(), size: z.number().int().gte(-9007199254740991).lte(9007199254740991), name: z.string(), description: z.string().nullable().optional(), createdAt: z.string().nullable(), updatedAt: z.string().nullable(), md5Checksum: z.string().nullable(), isArchived: z.boolean().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
};

/**
 * POST /v2/mods/check-updates
 */
export const createApiV2ModsCheckUpdates = async (args: CreateApiV2ModsCheckUpdatesArgs, options?: CreateApiV2ModsCheckUpdatesOptions) => {
const {baseUrl = "https://api.deadlockmods.app/api", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v2/mods/check-updates${query.size > 0 ? `?${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(createApiV2ModsCheckUpdatesResponse, await res.json())
};