import {z} from 'zod'

export type UUID = string;

export type GetApiApiV1EeProjectsProjectUuidAiDeepResearchAiDeepResearchRunUuidEventsArgs = {projectUuid: UUID, aiDeepResearchRunUuid: UUID, cursor?: string | undefined, limit?: number | undefined};

export type GetApiApiV1EeProjectsProjectUuidAiDeepResearchAiDeepResearchRunUuidEventsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const aiDeepResearchRunStatus = z.enum(["queued", "running", "failed", "completed", "cancelled", "partially_completed"]);

export const recordStringNever = z.object({});

export const aiDeepResearchActivity = z.enum(["lightdash_metadata", "warehouse_query", "web_search", "web_fetch", "reporting"]);

export const aiDeepResearchPhase = z.enum(["planning", "investigating", "validating", "synthesizing"]);

export const aiDeepResearchProgress = z.object({total: z.number().nullable(), current: z.number().nullable(), activity: aiDeepResearchActivity.nullable(), phase: aiDeepResearchPhase});

export const aiDeepResearchEvent = z.union([z.object({createdAt: z.string(), payload: z.object({status: aiDeepResearchRunStatus}), eventType: z.literal("status_changed"), aiDeepResearchRunUuid: z.string(), aiDeepResearchEventUuid: z.string()}), z.object({createdAt: z.string(), payload: recordStringNever, eventType: z.literal("cancellation_requested"), aiDeepResearchRunUuid: z.string(), aiDeepResearchEventUuid: z.string()}), z.object({createdAt: z.string(), payload: z.object({progress: aiDeepResearchProgress}), eventType: z.literal("progress"), aiDeepResearchRunUuid: z.string(), aiDeepResearchEventUuid: z.string()})]);

export const aiDeepResearchEventsPage = z.object({nextCursor: z.string().nullable(), events: z.array(aiDeepResearchEvent)});

export const apiAiDeepResearchEventsResponse = z.object({results: aiDeepResearchEventsPage, status: z.literal("ok")});

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
};

/**
 * List Deep Research events
 * 
 * GET /api/v1/ee/projects/{projectUuid}/ai-deep-research/{aiDeepResearchRunUuid}/events
 */
export const getApiApiV1EeProjectsProjectUuidAiDeepResearchAiDeepResearchRunUuidEvents = async (args: GetApiApiV1EeProjectsProjectUuidAiDeepResearchAiDeepResearchRunUuidEventsArgs, options: GetApiApiV1EeProjectsProjectUuidAiDeepResearchAiDeepResearchRunUuidEventsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/ee/projects/${encodeURIComponent(String(args.projectUuid))}/ai-deep-research/${encodeURIComponent(String(args.aiDeepResearchRunUuid))}/events${query.size > 0 ? `?${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(apiAiDeepResearchEventsResponse, await res.json())
};