import {z} from 'zod'

export type GetApiApiV1ProjectsProjectUuidCodeVirtualViewsArgs = {projectUuid: string, slugs?: Array<string> | undefined};

export type GetApiApiV1ProjectsProjectUuidCodeVirtualViewsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const virtualViewAsCodeSkip = z.object({reason: z.string(), slug: z.string()});

export const parameterValue = z.union([z.string(), z.number(), z.array(z.string()), z.array(z.number())]);

export const parametersValuesMap = z.record(z.string(), parameterValue);

export const dimensionType = z.enum(["string", "number", "timestamp", "date", "boolean"]);

export const resultColumn = z.object({type: dimensionType, reference: z.string()});

export const contentAsCodeTypeVIRTUALVIEW = z.literal("virtual_view");

export const virtualViewAsCode = z.object({parameters: parametersValuesMap.nullable(), columns: z.array(resultColumn), sql: z.string(), name: z.string(), slug: z.string(), version: z.number(), contentType: contentAsCodeTypeVIRTUALVIEW});

export const apiVirtualViewAsCodeListResponse = z.object({results: z.object({missingSlugs: z.array(z.string()), skipped: z.array(virtualViewAsCodeSkip), virtualViews: z.array(virtualViewAsCode)}), status: z.literal("ok")});

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 virtual views as code
 * 
 * GET /api/v1/projects/{projectUuid}/code/virtualViews
 */
export const getApiApiV1ProjectsProjectUuidCodeVirtualViews = async (args: GetApiApiV1ProjectsProjectUuidCodeVirtualViewsArgs, options: GetApiApiV1ProjectsProjectUuidCodeVirtualViewsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

for (const item of args.slugs ?? []) query.append("slugs", String(item))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/projects/${encodeURIComponent(String(args.projectUuid))}/code/virtualViews${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(apiVirtualViewAsCodeListResponse, await res.json())
};