import {z} from 'zod'

export type TraceFilter = {field?: string | undefined, op?: string | undefined, values?: Array<string> | undefined};

export type TraceSort = {field?: string | undefined, order?: string | undefined};

export type SearchTracesRequest = {from: string, to: string, filters?: Array<TraceFilter> | undefined, filter_operator?: string | undefined, query?: string | undefined, sort?: Array<TraceSort> | undefined, limit?: number | undefined, page_token?: string | undefined};

export type CreateApiV3TracesSearchArgs = {body: SearchTracesRequest};

export type CreateApiV3TracesSearchOptions = {baseUrl?: string | undefined, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const traceAgent = z.object({id: z.string().optional(), name: z.string().optional()});

export const traceUsage = z.object({prompt_tokens: z.number().int().optional(), completion_tokens: z.number().int().optional(), total_tokens: z.number().int().optional(), prompt_cached_tokens: z.number().int().optional(), prompt_audio_tokens: z.number().int().optional(), completion_reasoning_tokens: z.number().int().optional(), completion_audio_tokens: z.number().int().optional(), completion_accepted_prediction_tokens: z.number().int().optional(), completion_rejected_prediction_tokens: z.number().int().optional(), prompt_cache_creation_tokens: z.number().int().optional()});

export const traceCost = z.object({input: z.number().optional(), output: z.number().optional(), cache_read: z.number().optional(), cache_write: z.number().optional(), reasoning: z.number().optional(), web_search: z.number().optional(), total: z.number().optional(), currency: z.string().optional(), cached: z.number().optional(), audio_input: z.number().optional(), audio_output: z.number().optional(), accepted_prediction: z.number().optional(), rejected_prediction: z.number().optional(), billable: z.boolean().optional(), pricing_tier: z.string().optional(), threshold_exceeded: z.boolean().optional(), integration_id: z.string().optional()});

export const traceContext = z.object({trace_id: z.string().optional(), span_id: z.string().optional()});

export const traceSummary = z.object({object: z.literal("trace").optional(), trace_id: z.string().optional(), root_span_id: z.string().optional(), leading_span_id: z.string().optional(), name: z.string().optional(), operation: z.string().optional(), status: z.string().optional(), started_at: z.string().optional(), ended_at: z.string().optional(), duration_ms: z.number().optional(), project_id: z.string().optional(), identity_id: z.string().optional(), session_id: z.string().optional(), thread_id: z.string().optional(), product: z.string().optional(), providers: z.array(z.string()).optional(), models: z.array(z.string()).optional(), agent: traceAgent.optional(), usage: traceUsage.optional(), cost: traceCost.optional(), id: z.string().optional(), span_id: z.string().optional(), parent_id: z.string().optional(), type: z.string().optional(), context: traceContext.optional(), attributes: z.object({}).optional(), start_time: z.string().optional(), end_time: z.string().optional(), duration: z.number().optional()});

export const traceSearchMeta = z.object({request_id: z.string().optional(), from: z.string().optional(), to: z.string().optional(), row_count: z.number().int().optional()});

export const searchTracesResponse = z.object({object: z.literal("list").optional(), data: z.array(traceSummary).optional(), has_more: z.boolean().optional(), next_page_token: z.string().optional(), meta: traceSearchMeta.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
};

/**
 * Search traces
 * 
 * POST /v3/traces/search
 */
export const createApiV3TracesSearch = async (args: CreateApiV3TracesSearchArgs, options?: CreateApiV3TracesSearchOptions) => {
const {baseUrl = "https://my.orq.ai", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v3/traces/search${query.size > 0 ? `?${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(searchTracesResponse, await res.json())
};