import {z} from 'zod'

export type TextPart = {type?: 'text' | undefined, text: string};

export type CompletionTranscriptCloseParams = {tool_call_id: string, tool_content: string | Array<TextPart>, answer: string};

export type CreateApiV1ChatCompletionsCompletionIdTranscriptCloseArgs = {completion_id: string, body: CompletionTranscriptCloseParams};

export type CreateApiV1ChatCompletionsCompletionIdTranscriptCloseOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const toolCallFunction = z.object({name: z.string(), arguments: z.string()});

export const messageToolCall = z.object({id: z.string(), type: z.literal("function").optional(), function: toolCallFunction});

export const fileCitation = z.object({type: z.literal("file_citation").optional(), file_id: z.string(), filename: z.string(), index: z.number().int(), chunk_id: z.string(), store_id: z.string()});

export const urlCitation = z.object({type: z.literal("url_citation").optional(), url: z.string(), title: z.string(), start_index: z.number().int(), end_index: z.number().int(), chunk_id: z.string()});

export const chatCompletionMessage = z.object({role: z.literal("assistant").optional(), content: z.string().nullable().optional(), refusal: z.string().nullable().optional(), tool_calls: z.array(messageToolCall).nullable().optional(), reasoning_content: z.string().nullable().optional(), annotations: z.array(z.discriminatedUnion("type", [fileCitation, urlCitation])).nullable().optional()});

export const chatCompletionChoice = z.object({index: z.number().int().optional(), message: chatCompletionMessage, finish_reason: z.enum(["stop", "tool_calls", "length"]).optional(), logprobs: z.unknown()});

export const promptTokensDetails = z.object({cached_tokens: z.number().int().optional()});

export const completionTokensDetails = z.object({reasoning_tokens: z.number().int().optional()});

export const completionUsage = z.object({prompt_tokens: z.number().int().optional(), completion_tokens: z.number().int().optional(), total_tokens: z.number().int().optional(), prompt_tokens_details: promptTokensDetails.optional(), completion_tokens_details: completionTokensDetails.optional()});

export const conditionOperator = z.enum(["eq", "not_eq", "gt", "gte", "lt", "lte", "in", "not_in", "like", "contains", "starts_with", "not_like", "regex"]);

export const metadataFilter = z.object({key: z.string().min(1), operator: conditionOperator, value: z.union([z.string(), z.number().int(), z.number(), z.boolean(), z.array(z.union([z.string(), z.number().int(), z.number(), z.boolean()]))]).nullable()});

export const toolCallError = z.object({code: z.enum(["permission_denied", "invalid_arguments", "server_error"]), message: z.string()});

export const searchCorpusCallItem = z.object({type: z.literal("search_corpus_call").optional(), id: z.string(), status: z.enum(["in_progress", "completed", "failed"]).optional(), queries: z.array(z.string()).optional(), metadata_filters: z.array(metadataFilter).nullable().optional(), filter_mode: z.enum(["all", "any"]).optional(), store: z.string().nullable().optional(), results: z.array(z.record(z.string(), z.unknown())).nullable().optional(), error: toolCallError.nullable().optional()});

export const storeChunkGrepTarget = z.enum(["text", "generated"]);

export const grepCallItem = z.object({type: z.literal("grep_call").optional(), id: z.string(), status: z.enum(["in_progress", "completed", "failed"]).optional(), pattern: z.string().nullable().optional(), targets: z.array(storeChunkGrepTarget).nullable().optional(), case_sensitive: z.boolean().optional(), metadata_filters: z.array(metadataFilter).nullable().optional(), filter_mode: z.enum(["all", "any"]).optional(), store: z.string().nullable().optional(), results: z.array(z.record(z.string(), z.unknown())).nullable().optional(), error: toolCallError.nullable().optional()});

export const filterChunksCallItem = z.object({type: z.literal("filter_chunks_call").optional(), id: z.string(), status: z.enum(["in_progress", "completed", "failed"]).optional(), metadata_filters: z.array(metadataFilter).nullable().optional(), filter_mode: z.enum(["all", "any"]).optional(), rank_by: z.string().nullable().optional(), direction: z.enum(["asc", "desc"]).optional(), store: z.string().nullable().optional(), results: z.array(z.record(z.string(), z.unknown())).nullable().optional(), error: toolCallError.nullable().optional()});

export const inspectMetadataCallItem = z.object({type: z.literal("inspect_metadata_call").optional(), id: z.string(), status: z.enum(["in_progress", "completed", "failed"]).optional(), store: z.string().nullable().optional(), facets: z.record(z.string(), z.unknown()).nullable().optional(), error: toolCallError.nullable().optional()});

export const getChunksCallItem = z.object({type: z.literal("get_chunks_call").optional(), id: z.string(), status: z.enum(["in_progress", "completed", "failed"]).optional(), chunk_ids: z.array(z.string()).optional(), results: z.array(z.record(z.string(), z.unknown())).nullable().optional(), error: toolCallError.nullable().optional()});

export const storeSearchCallItem = z.object({type: z.literal("store_search_call").optional(), id: z.string(), status: z.enum(["in_progress", "completed", "failed"]).optional(), queries: z.array(z.string()).optional(), metadata_filters: z.array(metadataFilter).nullable().optional(), filter_mode: z.enum(["all", "any"]).optional(), store: z.string().nullable().optional(), results: z.array(z.record(z.string(), z.unknown())).nullable().optional(), error: toolCallError.nullable().optional()});

export const storeGrepCallItem = z.object({type: z.literal("store_grep_call").optional(), id: z.string(), status: z.enum(["in_progress", "completed", "failed"]).optional(), pattern: z.string().nullable().optional(), targets: z.array(storeChunkGrepTarget).nullable().optional(), case_sensitive: z.boolean().optional(), metadata_filters: z.array(metadataFilter).nullable().optional(), filter_mode: z.enum(["all", "any"]).optional(), store: z.string().nullable().optional(), results: z.array(z.record(z.string(), z.unknown())).nullable().optional(), error: toolCallError.nullable().optional()});

export const storeListChunksCallItem = z.object({type: z.literal("store_list_chunks_call").optional(), id: z.string(), status: z.enum(["in_progress", "completed", "failed"]).optional(), metadata_filters: z.array(metadataFilter).nullable().optional(), filter_mode: z.enum(["all", "any"]).optional(), rank_by: z.string().nullable().optional(), direction: z.enum(["asc", "desc"]).optional(), store: z.string().nullable().optional(), results: z.array(z.record(z.string(), z.unknown())).nullable().optional(), error: toolCallError.nullable().optional()});

export const metadataFacetsCallItem = z.object({type: z.literal("store_metadata_facets_call").optional(), id: z.string(), status: z.enum(["in_progress", "completed", "failed"]).optional(), store: z.string().nullable().optional(), facets: z.record(z.string(), z.unknown()).nullable().optional(), error: toolCallError.nullable().optional()});

export const listStoresResult = z.object({name: z.string(), description: z.string().nullable().optional(), connectors: z.array(z.string()).optional()});

export const listStoresCallItem = z.object({type: z.literal("list_stores_call").optional(), id: z.string(), status: z.enum(["in_progress", "completed", "failed"]).optional(), cursor: z.string().nullable().optional(), stores: z.array(listStoresResult).nullable().optional(), has_more: z.boolean().optional(), next_cursor: z.string().nullable().optional(), error: toolCallError.nullable().optional()});

export const appliedPruneContextEdit = z.object({type: z.literal("prune_context").optional(), calls: z.number().int(), cleared_input_tokens: z.number().int()});

export const appliedTruncateToolResultEdit = z.object({type: z.literal("truncate_tool_result").optional(), tool_call_id: z.string(), cleared_input_tokens: z.number().int()});

export const contextManagementResult = z.object({applied_edits: z.array(z.discriminatedUnion("type", [appliedPruneContextEdit, appliedTruncateToolResultEdit]))});

export const toolTicket = z.object({tool_call_id: z.string(), ticket: z.string(), expires_at: z.number().int()});

export const textPart = z.object({type: z.literal("text").optional(), text: z.string()});

export const systemMessage = z.object({role: z.literal("system"), content: z.union([z.string(), z.array(textPart)])});

export const developerMessage = z.object({role: z.literal("developer"), content: z.union([z.string(), z.array(textPart)])});

export const userMessage = z.object({role: z.literal("user"), content: z.union([z.string(), z.array(textPart)])});

export const assistantMessageOutput = z.object({role: z.literal("assistant"), content: z.union([z.string(), z.array(textPart)]).nullable().optional(), tool_calls: z.array(messageToolCall).optional(), reasoning_content: z.string().nullable().optional(), annotations: z.array(z.discriminatedUnion("type", [fileCitation, urlCitation])).optional()});

export const toolMessage = z.object({role: z.literal("tool"), content: z.union([z.string(), z.array(textPart)]), tool_call_id: z.string()});

export const chatCompletion = z.object({id: z.string(), object: z.literal("chat.completion").optional(), created: z.number().int(), model: z.string(), choices: z.array(chatCompletionChoice), usage: completionUsage.nullable().optional(), metadata: z.record(z.string(), z.string()).nullable().optional(), title: z.string().nullable().optional(), hosted_tool_calls: z.array(z.discriminatedUnion("type", [searchCorpusCallItem, grepCallItem, filterChunksCallItem, inspectMetadataCallItem, getChunksCallItem, storeSearchCallItem, storeGrepCallItem, storeListChunksCallItem, metadataFacetsCallItem, listStoresCallItem])).optional(), context_management: contextManagementResult.nullable().optional(), tool_tickets: z.array(toolTicket).optional(), transcript: z.array(z.discriminatedUnion("role", [systemMessage, developerMessage, userMessage, assistantMessageOutput, toolMessage])).nullable().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
};

/**
 * Close a stored completion transcript (deprecated)
 * 
 * POST /v1/chat/completions/{completion_id}/transcript/close
 */
export const createApiV1ChatCompletionsCompletionIdTranscriptClose = async (args: CreateApiV1ChatCompletionsCompletionIdTranscriptCloseArgs, options?: CreateApiV1ChatCompletionsCompletionIdTranscriptCloseOptions) => {
const {baseUrl = "https://api.mixedbread.com", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set('authorization', `Bearer ${ApiKeyAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/chat/completions/${encodeURIComponent(String(args.completion_id))}/transcript/close${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(chatCompletion, await res.json())
};