import {z} from 'zod'

export type GetApiPipelinesArgs = {search?: string | undefined, order_by?: Array<string> | undefined, q?: string | undefined};

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

export const getApiPipelinesResponse = z.array(z.object({id: z.number().optional(), team: z.number().optional(), name: z.string().optional(), currency: z.object({id: z.number().optional(), html: z.string().optional(), iso: z.string().optional()}).optional(), follows_default_team_currency: z.boolean().optional(), order: z.number().optional(), stages: z.array(z.object({id: z.number().optional(), color: z.string().optional(), probability: z.number().optional(), name: z.string(), fixed_stage: z.number().optional(), days_until_account_inactive: z.number().optional(), order: z.number().optional()})).optional(), groups: z.array(z.object({id: z.number().optional(), name: z.string().optional()})).optional(), recurring: z.boolean().optional(), default_pipeline: z.boolean().optional(), expected_customer_lifetime_months: z.number().optional(), standard_price_per_unit_annually: z.number().optional(), standard_price_per_unit_monthly: z.number().optional(), standard_price_per_unit_weekly: z.number().optional(), standard_price_per_unit_daily: z.number().optional(), archived: z.boolean().optional(), creation_date: z.string().optional(), modification_date: z.string().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
};

/**
 * List pipelines
 * 
 * GET /pipelines
 */
export const getApiPipelines = async (args: GetApiPipelinesArgs, options?: GetApiPipelinesOptions) => {
const {baseUrl = "https://api.salesflare.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.search != null) query.append("search", String(args.search))
for (const item of args.order_by ?? []) query.append("order_by", String(item))
if (args.q != null) query.append("q", String(args.q))

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