import {z} from 'zod'

export type GetApiApiV2ExperimentsArgs = {concluded_since?: string | undefined, created_since?: string | undefined, 'page[limit]'?: number | undefined, 'page[offset]'?: number | undefined, protocol_id?: Array<string> | undefined, results_updated_before?: string | undefined, results_updated_since?: string | undefined, search?: string | undefined, sort?: string | undefined, status?: Array<string> | undefined, tags?: Array<string> | undefined};

export type GetApiApiV2ExperimentsOptions = {baseUrl?: string | undefined, apiKeyAuth?: string | undefined, appKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const experimentsExperimentV2DTODataAttributesConclusionOutcome = z.enum(["POSITIVE", "NEGATIVE", "NEUTRAL", "INCONCLUSIVE", "MISCONFIGURED", "UNKNOWN"]).nullable();

export const experimentsPatchExperimentV2ResponseDataAttributesConclusion = z.object({decision_reason: z.string().nullable().optional(), outcome: experimentsExperimentV2DTODataAttributesConclusionOutcome.optional(), summary: z.string().nullable().optional()});

export const experimentsCreateExperimentV2RequestDataAttributesRelatedLinksItems = z.object({id: z.string().nullable().optional(), title: z.string().nullable().optional(), url: z.string()});

export const experimentsExperimentV2DTODataAttributesStatus = z.enum(["DRAFT", "SCHEDULED", "IN_PROGRESS", "READY_FOR_DECISION", "DECISION_MADE", "CANCELLED", "UNKNOWN"]);

export const experimentsPatchExperimentV2ResponseDataAttributesStructuredMetadataItemsFieldType = z.enum(["FREETEXT", "ENUM"]);

export const experimentsStructuredMetadataResponse = z.object({enum_values: z.array(z.string()).optional(), field_display_name: z.string().optional(), field_key: z.string(), field_type: experimentsPatchExperimentV2ResponseDataAttributesStructuredMetadataItemsFieldType.optional(), freetext_value: z.string().optional()});

export const experimentsExperimentV2ListDTODataAttributes = z.object({assignments_end_date: z.string().nullable().optional(), assignments_start_date: z.string().nullable().optional(), concluded_at: z.string().nullable().optional(), conclusion: experimentsPatchExperimentV2ResponseDataAttributesConclusion.optional(), created_at: z.string().optional(), events_end_date: z.string().nullable().optional(), events_start_date: z.string().nullable().optional(), experiment_type: z.string().optional(), hypothesis: z.string().optional(), migration_metadata: z.unknown(), name: z.string().optional(), pipeline_table_suffix: z.string().optional(), protocol_id: z.string().optional(), related_links: z.array(experimentsCreateExperimentV2RequestDataAttributesRelatedLinksItems).optional(), results_last_updated: z.string().nullable().optional(), status: experimentsExperimentV2DTODataAttributesStatus.optional(), structured_metadata: z.array(experimentsStructuredMetadataResponse).optional(), subject_type_id: z.string().nullable().optional(), summary: z.string().optional(), tags: z.array(z.string()).optional(), teams: z.array(z.string()).optional(), updated_at: z.string().optional()});

export const experimentsPatchExperimentV2ResponseDataType = z.literal("experiments");

export const experimentsExperimentV2ListDTOData = z.object({attributes: experimentsExperimentV2ListDTODataAttributes.optional(), id: z.string(), type: experimentsPatchExperimentV2ResponseDataType});

export const experimentsOffsetLinks = z.object({first: z.string().optional(), last: z.string().optional(), next: z.string().optional(), prev: z.string().optional(), self: z.string().optional()});

export const experimentsOffsetMetaPage = z.object({first_offset: z.number().int().optional(), last_offset: z.number().int().nullable().optional(), limit: z.number().int().optional(), next_offset: z.number().int().nullable().optional(), offset: z.number().int().optional(), prev_offset: z.number().int().nullable().optional(), total: z.number().int().nullable().optional(), type: z.string().optional()});

export const experimentsOffsetMeta = z.object({page: experimentsOffsetMetaPage.optional()});

export const experimentsExperimentV2ListDTOArray = z.object({data: z.array(experimentsExperimentV2ListDTOData), links: experimentsOffsetLinks.optional(), meta: experimentsOffsetMeta.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
};

/**
 * List experiments
 * 
 * GET /api/v2/experiments
 * 
 * Also accepts auth: AuthZ
 */
export const getApiApiV2Experiments = async (args: GetApiApiV2ExperimentsArgs, options?: GetApiApiV2ExperimentsOptions) => {
const {baseUrl = "https://api.datadoghq.com", fetch: fetchFn = fetch, apiKeyAuth, appKeyAuth} = options ?? {}

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

if (args.concluded_since != null) query.append("concluded_since", String(args.concluded_since))
if (args.created_since != null) query.append("created_since", String(args.created_since))
if (args['page[limit]'] != null) query.append("page[limit]", String(args['page[limit]']))
if (args['page[offset]'] != null) query.append("page[offset]", String(args['page[offset]']))
for (const item of args.protocol_id ?? []) query.append("protocol_id", String(item))
if (args.results_updated_before != null) query.append("results_updated_before", String(args.results_updated_before))
if (args.results_updated_since != null) query.append("results_updated_since", String(args.results_updated_since))
if (args.search != null) query.append("search", String(args.search))
if (args.sort != null) query.append("sort", String(args.sort))
for (const item of args.status ?? []) query.append("status", String(item))
for (const item of args.tags ?? []) query.append("tags", String(item))
if (apiKeyAuth !== undefined) headers.set("DD-API-KEY", apiKeyAuth)
if (appKeyAuth !== undefined) headers.set("DD-APPLICATION-KEY", appKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/experiments${query.size > 0 ? `?${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(experimentsExperimentV2ListDTOArray, await res.json())
};