import {z} from 'zod'

export type GetApiProjectsOccurrencesArgs = {period?: ('hour' | 'day' | 'week' | 'month') | undefined, environment?: string | undefined, page?: number | undefined, per_page?: number | undefined};

export type GetApiProjectsOccurrencesOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const occurrenceSeries = z.object({project_id: z.string(), buckets: z.array(z.object({timestamp: z.number().int(), count: z.number().int()}))});

export const pagination = z.object({page: z.number().int().gte(1), per_page: z.number().int().gte(1).lte(100)});

export const offsetLinks = z.object({self: z.string(), first: z.string().optional(), prev: z.string().nullable().optional(), next: z.string().nullable().optional()});

export const occurrenceMeta = z.object({request_id: z.string().optional(), period: z.enum(["hour", "day", "week", "month"]).optional(), interval: z.enum(["minute", "hour", "day"]).optional()});

export const getApiProjectsOccurrencesResponse = z.object({data: z.array(occurrenceSeries), pagination: pagination.optional(), links: offsetLinks.optional(), meta: occurrenceMeta.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
};

/**
 * Get occurrence counts for all projects
 * 
 * GET /projects/occurrences
 */
export const getApiProjectsOccurrences = async (args: GetApiProjectsOccurrencesArgs, options?: GetApiProjectsOccurrencesOptions) => {
const {baseUrl = "https://app.honeybadger.io/v3", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.period != null) query.append("period", String(args.period))
if (args.environment != null) query.append("environment", String(args.environment))
if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/projects/occurrences${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(getApiProjectsOccurrencesResponse, await res.json())
};