import {z} from 'zod'

export type StructuredFilter = {field: 'pl_id' | 'prompt_id' | 'engine' | 'provider_type' | 'input_text' | 'output_text' | 'prompt_version_number' | 'input_tokens' | 'output_tokens' | 'cost' | 'latency_ms' | 'request_start_time' | 'request_end_time' | 'status' | 'is_json' | 'is_tool_call' | 'is_plain_text' | 'tags' | 'metadata_keys' | 'metadata' | 'tool_names' | 'output' | 'output_keys' | 'input_variables' | 'input_variable_keys' | 'user_intent' | 'agent_intent', operator: 'is' | 'is_not' | 'in' | 'not_in' | 'contains' | 'not_contains' | 'starts_with' | 'ends_with' | 'eq' | 'neq' | 'gt' | 'gte' | 'lt' | 'lte' | 'between' | 'before' | 'after' | 'is_true' | 'is_false' | 'is_empty' | 'is_not_empty' | 'is_null' | 'is_not_null' | 'key_equals' | 'key_not_equals' | 'key_contains', value?: (string | number | boolean | Array<unknown> | null) | undefined, nested_key?: (string | null) | undefined};

export type StructuredFilterGroup = {logic?: ('AND' | 'OR') | undefined, filters: Array<StructuredFilter | StructuredFilterGroup>};

export type CustomAnalyticsSeriesSpec = {key: string, label: string, metric: 'sum' | 'avg' | 'min' | 'max' | 'percentile', metricField: 'input_tokens' | 'output_tokens' | 'cost' | 'latency_ms' | 'prompt_version_number' | 'turn_count' | 'tool_call_count' | 'cached_tokens' | 'thinking_tokens', percentile?: (number | null) | undefined};

export type DerivedRatioInsightSpec = {type?: 'ratio' | undefined, label: string, numeratorSeriesKey: string, denominatorSeriesKey: string};

export type CustomAnalyticsSpec = {id: string, title?: (string | null) | undefined, chartType: 'bar' | 'line' | 'area', metric?: ('count' | 'sum' | 'avg' | 'min' | 'max' | 'percentile' | null) | undefined, metricField?: ('input_tokens' | 'output_tokens' | 'cost' | 'latency_ms' | 'prompt_version_number' | 'turn_count' | 'tool_call_count' | 'cached_tokens' | 'thinking_tokens' | null) | undefined, percentile?: (number | null) | undefined, series?: (Array<CustomAnalyticsSeriesSpec> | null) | undefined, derivedInsights?: (Array<DerivedRatioInsightSpec> | null) | undefined, groupByField?: ('engine' | 'provider_type' | 'prompt_id' | 'prompt_version_number' | 'status' | 'error_type' | 'tags' | 'metadata_keys' | 'output_keys' | 'input_variable_keys' | 'tool_names' | null) | undefined, groupByMetadataKey?: (string | null) | undefined, timeSeries?: boolean | undefined, limit?: number | undefined};

export type RequestAnalyticsCustomAnalyticsQuery = {filter_group?: StructuredFilterGroup | undefined, q?: (string | null) | undefined, sort_by?: ('request_start_time' | 'input_tokens' | 'output_tokens' | 'cost' | 'latency_ms' | 'status' | null) | undefined, sort_order?: ('asc' | 'desc' | null) | undefined, customCharts: Array<CustomAnalyticsSpec>};

export type CreateApiApiPublicV2RequestsAnalyticsCustomAnalyticsArgs = {body: RequestAnalyticsCustomAnalyticsQuery};

export type CreateApiApiPublicV2RequestsAnalyticsCustomAnalyticsOptions = {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
};

/**
 * Request Analytics Custom Analytics
 * 
 * POST /api/public/v2/requests/analytics/custom-analytics
 */
export const createApiApiPublicV2RequestsAnalyticsCustomAnalytics = async (args: CreateApiApiPublicV2RequestsAnalyticsCustomAnalyticsArgs, options: CreateApiApiPublicV2RequestsAnalyticsCustomAnalyticsOptions) => {
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/requests/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())
};