import {z} from 'zod'

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

export const sigParserEmailParsingEmailType = z.enum(["NormalEmail", "MeetingNotification", "BouncedNotification", "ZenDeskSupportChain", "SecureMessage"]);

export const sigParserEmailParsingModelsEmailRecipient = z.object({Name: z.string().nullable().optional(), EmailAddress: z.string().nullable().optional()});

export const sigParserEmailParsingModelsEmail = z.object({CleanedBodyPlain: z.string().nullable().optional(), CleanedBodyHtml: z.string().nullable().optional(), Subject: z.string().nullable().optional(), Date: z.string().nullable().optional(), FromEmailAddress: z.string().nullable().optional(), FromName: z.string().nullable().optional(), To: z.array(sigParserEmailParsingModelsEmailRecipient).nullable().optional(), Cc: z.array(sigParserEmailParsingModelsEmailRecipient).nullable().optional()});

export const sigParserEmailParsingModelsCleanedBodyOutput = z.object({CleanedBodyPlain: z.string().nullable().optional(), CleanedBodyHtml: z.string().nullable().optional(), IsSpammyLookingEmailMessage: z.boolean().optional(), IsSpammyLookingSender: z.boolean().optional(), EmailTypes: z.array(sigParserEmailParsingEmailType).nullable().optional(), Emails: z.array(sigParserEmailParsingModelsEmail).nullable().optional(), Subject: z.string().nullable().optional(), Date: z.string().nullable().optional(), Headers: z.record(z.string(), z.string()).nullable().optional(), FullPlainTextBody: z.string().nullable().optional(), FullHtmlBody: z.string().nullable().optional(), MsgType: z.string().nullable().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
};

/**
 * Post the MIME encoded email text in the body to this API. If you have EML files then you need to post the contents of the EML file.
 * 
 * POST /api/Mime/ParseString
 */
export const createApiApiMimeParseString = async (options: CreateApiApiMimeParseStringOptions) => {
const {baseUrl, fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (apiKey !== undefined) headers.set("x-api-key", apiKey)

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

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

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

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