import {z} from 'zod'

export type TraceStructuredFilter = {field: string, operator: string, value: unknown, nested_key?: string | undefined};

export type TraceStructuredFilterGroup = {logic?: ('AND' | 'OR' | 'SPAN_AND' | 'SPAN_OR') | undefined, filters: Array<TraceStructuredFilter | TraceStructuredFilterGroup>};

export type TraceCustomChartSpec = {id: string, title?: string | undefined, chartType: 'bar' | 'line' | 'area' | 'pie' | 'donut' | 'histogram' | 'heatmap' | 'treemap' | 'sunburst', metric?: ('count' | 'sum' | 'avg' | 'min' | 'max' | 'percentile') | undefined, metricField?: ('trace_duration_ms' | 'trace_total_cost_usd' | 'trace_total_tokens' | 'trace_input_tokens' | 'trace_output_tokens' | 'trace_span_count' | 'trace_depth' | 'span_duration_ms' | 'span_cost_usd' | 'span_tokens' | 'span_input_tokens' | 'span_output_tokens') | undefined, percentile?: number | undefined, groupByField?: ('trace_status' | 'trace_name' | 'trace_models_used' | 'trace_prompt_ids' | 'trace_workflow_ids' | 'trace_tool_names' | 'span_tool_name' | 'span_name' | 'span_type' | 'span_kind' | 'span_status') | undefined, secondaryGroupByField?: ('trace_status' | 'trace_name' | 'trace_models_used' | 'trace_prompt_ids' | 'trace_workflow_ids' | 'trace_tool_names' | 'span_tool_name' | 'span_name' | 'span_type' | 'span_kind' | 'span_status') | undefined, histogramField?: ('trace_duration_ms' | 'trace_total_cost_usd' | 'trace_total_tokens' | 'trace_input_tokens' | 'trace_output_tokens' | 'trace_span_count' | 'trace_depth' | 'span_duration_ms' | 'span_cost_usd' | 'span_tokens' | 'span_input_tokens' | 'span_output_tokens') | undefined, histogramInterval?: number | undefined, hierarchyFields?: (Array<'trace_status' | 'trace_name' | 'trace_models_used' | 'trace_prompt_ids' | 'trace_workflow_ids' | 'trace_tool_names' | 'span_tool_name' | 'span_name' | 'span_type' | 'span_kind' | 'span_status'>) | undefined, timeSeries?: boolean | undefined, timeBucket?: ('auto' | 'day' | 'week' | 'month') | undefined, limit?: number | undefined, series?: (Array<{key: string, label: string, metric: 'sum' | 'avg' | 'min' | 'max' | 'percentile', metricField: 'trace_duration_ms' | 'trace_total_cost_usd' | 'trace_total_tokens' | 'trace_input_tokens' | 'trace_output_tokens' | 'trace_span_count' | 'trace_depth' | 'span_duration_ms' | 'span_cost_usd' | 'span_tokens' | 'span_input_tokens' | 'span_output_tokens', percentile?: number | undefined}>) | undefined};

export type TraceAnalyticsCustomAnalyticsQuery = {filter_group?: TraceStructuredFilterGroup | undefined, customCharts: Array<TraceCustomChartSpec>};

export type CreateApiApiPublicV2TracesAnalyticsCustomAnalyticsArgs = {body: TraceAnalyticsCustomAnalyticsQuery};

export type CreateApiApiPublicV2TracesAnalyticsCustomAnalyticsOptions = {baseUrl: string, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const customAnalyticsSeriesMeta = z.object({key: z.string().optional(), label: z.string().optional(), unit: z.enum(["count", "tokens", "currency", "duration_seconds", "number"]).optional()});

export const derivedRatioInsightResult = z.object({type: z.literal("ratio").optional(), label: z.string().optional(), numeratorSeriesKey: z.string().optional(), denominatorSeriesKey: z.string().optional(), value: z.number().optional()});

export const customAnalyticsResult = z.object({id: z.string().optional(), title: z.string().optional(), chartType: z.enum(["bar", "line", "area"]).optional(), series: z.array(customAnalyticsSeriesMeta).optional(), data: z.array(z.record(z.string(), z.unknown())).optional(), derivedInsights: z.array(derivedRatioInsightResult).nullable().optional()});

export const requestAnalyticsCustomAnalyticsResponse = z.object({success: z.literal(true), customCharts: z.array(customAnalyticsResult)});

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
};

/**
 * Trace Analytics Custom Queries
 * 
 * POST /api/public/v2/traces/analytics/custom-analytics
 */
export const createApiApiPublicV2TracesAnalyticsCustomAnalytics = async (args: CreateApiApiPublicV2TracesAnalyticsCustomAnalyticsArgs, options: CreateApiApiPublicV2TracesAnalyticsCustomAnalyticsOptions) => {
const {baseUrl, 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("X-API-KEY", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/api/public/v2/traces/analytics/custom-analytics${query.size > 0 ? `?${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(requestAnalyticsCustomAnalyticsResponse, await res.json())
};