import {z} from 'zod'

export type GetApiV1ProjectsProjectIdTemplateArgs = {includeCssVariables?: string | undefined, includeLocales?: string | undefined, includeThemes?: string | undefined, includeContentOverrides?: string | undefined, projectId: string};

export type GetApiV1ProjectsProjectIdTemplateOptions = {baseUrl: string, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV1ProjectsProjectIdTemplateResponse = z.object({html: z.string(), cssVariables: z.record(z.string(), z.string()).optional(), locales: z.object({defaultLocale: z.string(), entries: z.record(z.string(), z.record(z.string(), z.string()))}).optional(), themes: z.object({defaultTheme: z.string(), entries: z.record(z.string(), z.record(z.string(), z.string()))}).optional(), contentOverrides: z.record(z.string(), 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
};

/**
 * Get project HTML template
 * 
 * GET /v1/projects/{projectId}/template
 */
export const getApiV1ProjectsProjectIdTemplate = async (args: GetApiV1ProjectsProjectIdTemplateArgs, options: GetApiV1ProjectsProjectIdTemplateOptions) => {
const {baseUrl, fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.includeCssVariables != null) query.append("includeCssVariables", String(args.includeCssVariables))
if (args.includeLocales != null) query.append("includeLocales", String(args.includeLocales))
if (args.includeThemes != null) query.append("includeThemes", String(args.includeThemes))
if (args.includeContentOverrides != null) query.append("includeContentOverrides", String(args.includeContentOverrides))
if (apiKey !== undefined) headers.set("X-API-Key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/projects/${encodeURIComponent(String(args.projectId))}/template${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(getApiV1ProjectsProjectIdTemplateResponse, await res.json())
};