import {z} from 'zod'

export type PromptScheduleSelection = 'default' | 'manual' | string;

export type MetricsApiFilters = {schedule_id?: PromptScheduleSelection | undefined, start_date: string, end_date?: string | undefined, models?: (Array<'chatgpt' | 'perplexity' | 'gemini' | 'google_ai_overview' | 'copilot' | 'claude' | 'ai_mode' | 'grok' | 'deepseek' | 'meta_ai' | 'mistral'>) | undefined, prompt_ids?: Array<string> | undefined, competitor_ids?: Array<string> | undefined, location_ids?: Array<string> | undefined, prompt_status?: ('active' | 'paused') | undefined, prompt_type?: ('branded' | 'non_branded') | undefined, saved_view_id?: string | undefined};

export type PositionRequest = {website_id: string, filters: MetricsApiFilters};

export type CreateApiApiV1MetricsPositionCumulativeArgs = {body: PositionRequest};

export type CreateApiApiV1MetricsPositionCumulativeOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const cumulativePositionEntry = z.object({avg_position: z.number().optional(), is_self: z.boolean().optional()});

export const createApiApiV1MetricsPositionCumulativeResponse = z.object({data: z.record(z.string(), cumulativePositionEntry)});

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
};

/**
 * Cumulative Position
 * 
 * POST /api/v1/metrics/position/cumulative
 */
export const createApiApiV1MetricsPositionCumulative = async (args: CreateApiApiV1MetricsPositionCumulativeArgs, options?: CreateApiApiV1MetricsPositionCumulativeOptions) => {
const {baseUrl = "https://api.athenahq.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("x-api-key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/metrics/position/cumulative${query.size > 0 ? `?${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(createApiApiV1MetricsPositionCumulativeResponse, await res.json())
};