import {z} from 'zod'

export type CreateApiApiAnalyticsV1QueryArgs = {body: {website_id: string, columns: Array<{column_id: string, transformation_id?: string | undefined, goal_id?: number | undefined}>, date_from?: (string | unknown) | undefined, date_to?: (string | unknown) | undefined, relative_date?: ('today' | 'yesterday' | 'last_week' | 'last_month' | 'last_year' | 'last_X_days') | undefined, filters?: ({operator: 'and' | 'or', conditions: Array<{column_id: string, transformation_id?: string | undefined, condition: {operator: string, value: unknown}}>}) | undefined, metric_filters?: ({operator: 'and' | 'or', conditions: Array<{column_id: string, transformation_id?: string | undefined, goal_id?: number | undefined, condition: {operator: 'eq' | 'neq' | 'gt' | 'gte' | 'lt' | 'lte', value: number}}>}) | undefined, offset?: number | undefined, limit?: number | undefined, order_by?: (Array<Array<number | string>>) | undefined, format?: ('json' | 'json-kv' | 'csv' | 'xml') | undefined, column_format?: ('id' | 'name') | undefined, options?: ({sampling?: number | undefined}) | undefined}};

export type CreateApiApiAnalyticsV1QueryOptions = {baseUrl?: string | undefined, OAuth2ClientCredentials?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiApiAnalyticsV1QueryResponse = z.object({data: z.array(z.object({})).optional(), meta: z.object({count: z.number().int().optional(), scope: z.enum(["session", "event", "product", "google ads map", "google ads stats", "google search console"]).optional(), blended_datasets: z.array(z.enum(["google ads map", "google ads stats", "google search console"])).optional()}).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
};

/**
 * Execute query
 * 
 * POST /api/analytics/v1/query/
 */
export const createApiApiAnalyticsV1Query = async (args: CreateApiApiAnalyticsV1QueryArgs, options?: CreateApiApiAnalyticsV1QueryOptions) => {
const {baseUrl = "https://example.piwik.pro", fetch: fetchFn = fetch, OAuth2ClientCredentials} = options ?? {}

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

if (OAuth2ClientCredentials !== undefined) headers.set('authorization', `Bearer ${OAuth2ClientCredentials}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/analytics/v1/query/${query.size > 0 ? `?${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(createApiApiAnalyticsV1QueryResponse, await res.json())
};