import {z} from 'zod'

export type ConditionOperator = 'eq' | 'not_eq' | 'gt' | 'gte' | 'lt' | 'lte' | 'in' | 'not_in' | 'like' | 'contains' | 'starts_with' | 'not_like' | 'regex';

export type SearchFilterCondition = {key: string, value: string, operator: ConditionOperator};

export type SearchFilterInput = {all?: (Array<SearchFilterInput | SearchFilterCondition> | null) | undefined, any?: (Array<SearchFilterInput | SearchFilterCondition> | null) | undefined, none?: (Array<SearchFilterInput | SearchFilterCondition> | null) | undefined};

export type RerankConfig = {model?: string | undefined, with_metadata?: (boolean | Array<string>) | undefined, top_k?: (number | null) | undefined};

export type AgenticSearchConfig = {max_rounds?: number | undefined, queries_per_round?: number | undefined, strict_top_k?: boolean | undefined, media_content?: ('auto' | 'never' | 'always') | undefined, instructions?: (string | null) | undefined, verbose?: boolean | undefined};

export type SearchDistinct = {field: string, per_value?: number | undefined};

export type StoreChunkSearchOptions = {score_threshold?: number | undefined, rewrite_query?: boolean | undefined, rerank?: (boolean | RerankConfig | null) | undefined, agentic?: (boolean | AgenticSearchConfig | null) | undefined, lsf?: (boolean | null) | undefined, return_metadata?: boolean | undefined, distinct?: (SearchDistinct | null) | undefined};

export type QuestionAnsweringOptions = {cite?: boolean | undefined, multimodal?: boolean | undefined};

export type StoreQAParams = {store_identifiers: Array<string | string>, filters?: (SearchFilterInput | SearchFilterCondition | Array<SearchFilterInput | SearchFilterCondition> | null) | undefined, file_ids?: (Array<unknown> | Array<string> | null) | undefined, query?: string | undefined, top_k?: (number | null) | undefined, search_options?: StoreChunkSearchOptions | undefined, stream?: boolean | undefined, instructions?: (string | null) | undefined, qa_options?: QuestionAnsweringOptions | undefined};

export type CreateApiV1StoresQuestionAnsweringArgs = {body: StoreQAParams};

export type CreateApiV1StoresQuestionAnsweringOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const markdownHeading = z.object({level: z.number().int(), text: z.string()});

export const markdownChunkGeneratedMetadata = z.object({type: z.literal("markdown").optional(), file_type: z.literal("text/markdown").optional(), language: z.string().nullable().optional(), word_count: z.number().int().nullable().optional(), file_size: z.number().int().nullable().optional(), chunk_headings: z.array(markdownHeading).optional(), heading_context: z.array(markdownHeading).optional(), start_line: z.number().int().optional(), num_lines: z.number().int().optional(), file_extension: z.string().nullable().optional(), frontmatter: z.record(z.string(), z.unknown()).optional()}).and(z.record(z.string(), z.unknown()));

export const textChunkGeneratedMetadata = z.object({type: z.literal("text").optional(), file_type: z.enum(["text/plain", "message/rfc822"]).optional(), language: z.string().nullable().optional(), word_count: z.number().int().nullable().optional(), file_size: z.number().int().nullable().optional(), start_line: z.number().int().optional(), num_lines: z.number().int().optional(), file_extension: z.string().nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const emailChunkGeneratedMetadata = z.object({type: z.literal("email").optional(), file_type: z.string().optional(), language: z.string().nullable().optional(), word_count: z.number().int().nullable().optional(), file_size: z.number().int().nullable().optional(), start_line: z.number().int().optional(), num_lines: z.number().int().optional(), file_extension: z.string().nullable().optional(), subject: z.string().nullable().optional(), from_email: z.string().nullable().optional(), to_emails: z.array(z.string()).optional(), cc_emails: z.array(z.string()).optional(), bcc_emails: z.array(z.string()).optional(), date: z.string().nullable().optional(), attachment_names: z.array(z.string()).optional()}).and(z.record(z.string(), z.unknown()));

export const csvChunkGeneratedMetadata = z.object({type: z.literal("csv").optional(), file_type: z.literal("text/csv").optional(), language: z.string().nullable().optional(), word_count: z.number().int().nullable().optional(), file_size: z.number().int().nullable().optional(), start_line: z.number().int().optional(), num_lines: z.number().int().optional(), start_row: z.number().int().optional(), num_rows: z.number().int().optional(), file_extension: z.string().nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const layoutElement = z.object({bbox: z.array(z.unknown()), type: z.string(), text: z.string().nullable().optional(), category: z.string().nullable().optional(), heading_level: z.number().int().nullable().optional()});

export const layoutMetadata = z.object({width: z.number().int().nullable().optional(), height: z.number().int().nullable().optional(), elements: z.array(layoutElement).optional()});

export const pDFChunkGeneratedMetadata = z.object({type: z.literal("pdf").optional(), file_type: z.literal("application/pdf").optional(), total_pages: z.number().int().nullable().optional(), total_size: z.number().int().nullable().optional(), file_extension: z.string().nullable().optional(), layout: layoutMetadata.nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const codeChunkGeneratedMetadata = z.object({type: z.literal("code").optional(), file_type: z.string(), language: z.string().nullable().optional(), word_count: z.number().int().nullable().optional(), file_size: z.number().int().nullable().optional(), start_line: z.number().int().optional(), num_lines: z.number().int().optional(), file_extension: z.string().nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const speakerTurn = z.object({speaker: z.string().nullable().optional(), text: z.string(), start_time_seconds: z.number().nullable().optional(), end_time_seconds: z.number().nullable().optional()});

export const audioChunkGeneratedMetadata = z.object({type: z.literal("audio").optional(), file_type: z.string().optional(), file_size: z.number().int().nullable().optional(), total_duration_seconds: z.number().nullable().optional(), sample_rate: z.number().int().nullable().optional(), channels: z.number().int().nullable().optional(), audio_format: z.number().int().nullable().optional(), bpm: z.number().int().nullable().optional(), speakers: z.array(z.string()).nullable().optional(), speaker_count: z.number().int().nullable().optional(), speaker_turns: z.array(speakerTurn).nullable().optional(), file_extension: z.string().nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const videoChunkGeneratedMetadata = z.object({type: z.literal("video").optional(), file_type: z.string().optional(), file_size: z.number().int().nullable().optional(), total_duration_seconds: z.number().nullable().optional(), fps: z.number().nullable().optional(), width: z.number().int().nullable().optional(), height: z.number().int().nullable().optional(), frame_count: z.number().int().nullable().optional(), has_audio_stream: z.boolean().optional(), bpm: z.number().int().nullable().optional(), speakers: z.array(z.string()).nullable().optional(), speaker_count: z.number().int().nullable().optional(), speaker_turns: z.array(speakerTurn).nullable().optional(), file_extension: z.string().nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const imageChunkGeneratedMetadata = z.object({type: z.literal("image").optional(), file_type: z.string().optional(), file_size: z.number().int().nullable().optional(), width: z.number().int().nullable().optional(), height: z.number().int().nullable().optional(), file_extension: z.string().nullable().optional(), layout: layoutMetadata.nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const mxbaiOmniCoreStoreModelsChunkTypesScoredTextInputChunk = z.object({chunk_index: z.number().int(), mime_type: z.string().optional(), generated_metadata: z.union([markdownChunkGeneratedMetadata, textChunkGeneratedMetadata, emailChunkGeneratedMetadata, csvChunkGeneratedMetadata, pDFChunkGeneratedMetadata, codeChunkGeneratedMetadata, audioChunkGeneratedMetadata, videoChunkGeneratedMetadata, imageChunkGeneratedMetadata]).nullable().optional(), model: z.string().nullable().optional(), score: z.number(), file_id: z.string(), filename: z.string(), store_id: z.string(), external_id: z.string().nullable().optional(), metadata: z.unknown(), file_url: z.string().nullable().optional(), type: z.literal("text").optional(), offset: z.number().int().optional(), text: z.string().nullable().optional(), context: z.string().nullable().optional(), summary: z.string().nullable().optional()});

export const imageUrlOutput = z.object({url: z.string(), format: z.string().optional()});

export const mxbaiOmniCoreStoreModelsChunkTypesScoredImageUrlInputChunk = z.object({chunk_index: z.number().int(), mime_type: z.string().optional(), generated_metadata: z.union([markdownChunkGeneratedMetadata, textChunkGeneratedMetadata, emailChunkGeneratedMetadata, csvChunkGeneratedMetadata, pDFChunkGeneratedMetadata, codeChunkGeneratedMetadata, audioChunkGeneratedMetadata, videoChunkGeneratedMetadata, imageChunkGeneratedMetadata]).nullable().optional(), model: z.string().nullable().optional(), score: z.number(), file_id: z.string(), filename: z.string(), store_id: z.string(), external_id: z.string().nullable().optional(), metadata: z.unknown(), file_url: z.string().nullable().optional(), type: z.literal("image_url").optional(), ocr_text: z.string().nullable().optional(), context: z.string().nullable().optional(), summary: z.string().nullable().optional(), image_url: imageUrlOutput.nullable().optional()});

export const audioUrl = z.object({url: z.string()});

export const mxbaiOmniCoreStoreModelsChunkTypesScoredAudioUrlInputChunk = z.object({chunk_index: z.number().int(), mime_type: z.string().optional(), generated_metadata: z.union([markdownChunkGeneratedMetadata, textChunkGeneratedMetadata, emailChunkGeneratedMetadata, csvChunkGeneratedMetadata, pDFChunkGeneratedMetadata, codeChunkGeneratedMetadata, audioChunkGeneratedMetadata, videoChunkGeneratedMetadata, imageChunkGeneratedMetadata]).nullable().optional(), model: z.string().nullable().optional(), score: z.number(), file_id: z.string(), filename: z.string(), store_id: z.string(), external_id: z.string().nullable().optional(), metadata: z.unknown(), file_url: z.string().nullable().optional(), type: z.literal("audio_url").optional(), transcription: z.string().nullable().optional(), context: z.string().nullable().optional(), summary: z.string().nullable().optional(), audio_url: audioUrl.nullable().optional(), sampling_rate: z.number().int()});

export const videoUrl = z.object({url: z.string()});

export const mxbaiOmniCoreStoreModelsChunkTypesScoredVideoUrlInputChunk = z.object({chunk_index: z.number().int(), mime_type: z.string().optional(), generated_metadata: z.union([markdownChunkGeneratedMetadata, textChunkGeneratedMetadata, emailChunkGeneratedMetadata, csvChunkGeneratedMetadata, pDFChunkGeneratedMetadata, codeChunkGeneratedMetadata, audioChunkGeneratedMetadata, videoChunkGeneratedMetadata, imageChunkGeneratedMetadata]).nullable().optional(), model: z.string().nullable().optional(), score: z.number(), file_id: z.string(), filename: z.string(), store_id: z.string(), external_id: z.string().nullable().optional(), metadata: z.unknown(), file_url: z.string().nullable().optional(), type: z.literal("video_url").optional(), transcription: z.string().nullable().optional(), context: z.string().nullable().optional(), summary: z.string().nullable().optional(), video_url: videoUrl.nullable().optional()});

export const storeQAResults = z.object({answer: z.string(), sources: z.array(z.discriminatedUnion("type", [mxbaiOmniCoreStoreModelsChunkTypesScoredTextInputChunk, mxbaiOmniCoreStoreModelsChunkTypesScoredImageUrlInputChunk, mxbaiOmniCoreStoreModelsChunkTypesScoredAudioUrlInputChunk, mxbaiOmniCoreStoreModelsChunkTypesScoredVideoUrlInputChunk])).optional()}).and(z.record(z.string(), z.unknown()));

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
};

/**
 * Question answering
 * 
 * POST /v1/stores/question-answering
 */
export const createApiV1StoresQuestionAnswering = async (args: CreateApiV1StoresQuestionAnsweringArgs, options?: CreateApiV1StoresQuestionAnsweringOptions) => {
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/stores/question-answering${query.size > 0 ? `?${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(storeQAResults, await res.json())
};