import {z} from 'zod'

export type TokenomicsTimeRange = {start_date: string, end_date: string};

export type TokenomicsInsightsFilters = {departments?: (Array<string> | null) | undefined, job_functions?: (Array<string> | null) | undefined, job_families?: (Array<string> | null) | undefined, regions?: (Array<string> | null) | undefined, countries?: (Array<string> | null) | undefined, activity_status?: ('active' | 'inactive' | 'all' | null) | undefined, time_range?: (TokenomicsTimeRange | null) | undefined, providers?: (Array<string> | null) | undefined, models?: (Array<string> | null) | undefined, leader_user_key?: (string | null) | undefined};

export type TokenomicsInsightsRequest = {filters?: TokenomicsInsightsFilters | undefined, view?: ('individual' | 'team' | 'organization' | null) | undefined, limit?: number | undefined};

export type CreateApiTokenomicsV1InsightsArgs = {body: TokenomicsInsightsRequest};

export type CreateApiTokenomicsV1InsightsOptions = {baseUrl?: string | undefined, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const tokenomicsDateRange = z.object({start_date: z.string(), end_date: z.string()});

export const tokenomicsDataFreshness = z.object({last_updated_at: z.string().nullable().optional()});

export const tokenomicsInsightSubject = z.object({type: z.enum(["organization", "provider", "model"]), provider: z.string().nullable().optional(), model: z.string().nullable().optional()});

export const tokenomicsInsight = z.object({template_id: z.string(), template_version: z.string(), title: z.string(), suggestion: z.string().nullable().optional(), source_metrics: z.array(z.enum(["usage_metrics", "adoption"])), metric: z.enum(["usage_cost_usd", "active_users", "cost_per_million_tokens_usd", "cost_per_active_user_usd", "usage_cost_pct"]), direction: z.enum(["increase", "decrease"]).nullable().optional(), subject: tokenomicsInsightSubject, current_value: z.number(), baseline_value: z.number().nullable().optional(), prior_value: z.number().nullable().optional(), delta_pct: z.number().nullable().optional()});

export const tokenomicsInsightsResponse = z.object({date_range: tokenomicsDateRange, comparison_date_range: tokenomicsDateRange, data_freshness: tokenomicsDataFreshness, material_change_threshold_pct: z.number(), template_catalog_version: z.string(), template_coverage: z.record(z.string(), z.enum(["complete", "partial", "unavailable"])).optional(), insights: z.array(tokenomicsInsight)});

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
};

/**
 * Get Tokenomics Insights
 * 
 * POST /tokenomics/v1/insights
 * 
 * Also accepts auth: ClassicAPIKeyHeader, OAuth2PasswordBearer, HTTPBasic
 */
export const createApiTokenomicsV1Insights = async (args: CreateApiTokenomicsV1InsightsArgs, options?: CreateApiTokenomicsV1InsightsOptions) => {
const {baseUrl = "https://api.galileo.ai", fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (APIKeyHeader !== undefined) headers.set("Splunk-AO-API-Key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/tokenomics/v1/insights${query.size > 0 ? `?${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(tokenomicsInsightsResponse, await res.json())
};