import * as rsa from "node-rsa";
import SecureFile from "./index";
import { readFileSync } from "fs";
import { equal, deepEqual } from "assert";
import { Buffer } from "buffer";

let sf: SecureFile;
const testname = "ouiavgbsop687463743"
const testdata = new Buffer("Ich bin ein Test");
const newTestData = new Buffer("neue test daten");
const testprev = new Buffer("Ich bin...");

let testid: string;
let testver;
let testver2;

const testfolder = "iabos";
let ftestid;

let e_testid;
let private_key;

interface TestType {
   expect(cnt: number): void;
   ok(value, message?: string): void;
   equal(actual, expected, message?: string): void;
   notEqual(actual, expected, message?: string): void;
   deepEqual(actual, expected, message?: string): void;
   notDeepEqual(actual, expected, message?: string): void;
   strictEqual(actual, expected, message?: string): void;
   notStrictEqual(actual, expected, message?: string): void;
   throws(block: any, error?, message?: string): void;
   doesNotThrow(block: any, error?, message?: string): void;
   ifError(value): void;
   done(): void;
}

module.exports = {
   setUp: function (finished) {
      let pk = readFileSync("./private.pem");
      private_key = pk.toString("utf8");
      sf = new SecureFile("http://localhost:3005", "test", private_key);
      finished();
   },
   create: async function (test: TestType) {
      test.expect(2);
      let res = await sf.create(testname, testdata, "text", undefined, false, testprev)
      test.ok(res);
      test.ok(res._id);
      testid = res._id;
      testver = res.version;
      test.done();
   },

   test: async function (test: TestType) {
      test.expect(2);
      let res = await sf.test();
      test.ok(res.test);
      test.equal(res.user, "test");
      test.done()
   },

   get: async function (test: TestType) {
      test.expect(2);
      let res = await sf.get(testid);
      test.ok(res);
      test.equal(res.toString(), testdata.toString());
      test.done();
   },
   list: async function (test: TestType) {
      test.expect(4);
      let res = await sf.list();
      test.ok(res);
      test.ok(Array.isArray(res), "Is from type Array");
      test.ok(res.length > 0, "Do elements exist?")
      res.forEach(e => {
         if (e._id === testid) {
            test.ok(true, "Element is in List")
         }
      })
      test.done()
   },
   update: async function (test: TestType) {
      test.expect(5);
      let res = await sf.update(testid, newTestData);
      test.ok(res);
      test.ok(res._id);
      test.notEqual(res.version, testver, "Is new version_id generated?")
      testver2 = res.version;
      let res2 = await sf.get(testid);
      test.ok(res2)
      test.equal(res2.toString(), newTestData.toString(), "Is fetched data the updated?")
      test.done();
   },
   history: async function (test: TestType) {
      test.expect(7);
      let his = await sf.history(testid);
      test.ok(his)
      test.ok(his.file)
      test.ok(his.history);
      test.equal(his.history.length, 1)

      test.equal(his.history[0].version, testver);
      test.equal(his.file.version, testver2, "Is correct version");

      let arch = await sf.get(testid, testver);
      test.equal(arch.toString(), testdata.toString(), "Is old version data correct");
      test.done();
   },
   delete: async function (test: TestType) {
      test.expect(1);
      let res = await sf.delete(testid);
      test.ok(res);
      test.done();
   },
   folder: {
      create: async function (test: TestType) {
         test.expect(2);
         let res = await sf.create(testname, testdata, "text", testfolder, false, testprev)
         test.ok(res);
         test.ok(res._id);
         ftestid = res._id;
         testver = res.version;
         test.done();
      },
      list: async function (test: TestType) {
         test.expect(4);
         let res = await sf.list(testfolder);
         test.ok(res);
         test.ok(Array.isArray(res), "Is from type Array");
         test.ok(res.length > 0, "Do elements exist?")
         res.forEach(e => {
            if (e._id === ftestid) {
               test.ok(true, "Element is in List")
            }
         })
         test.done()
      },
      delete: async function (test: TestType) {
         test.expect(1);
         let res = await sf.delete(ftestid);
         test.ok(res);
         test.done();
      },
   },
   encryption: {
      create: async function (test: TestType) {
         test.expect(2);
         let res = await sf.create(testname, testdata, "text", undefined, true, testprev)
         test.ok(res);
         test.ok(res._id);
         e_testid = res._id;
         testver = res.version;
         test.done();
      },
      get: async function (test: TestType) {
         let r = new rsa(private_key, "pkcs1-pem");
         test.expect(2);
         let res = await sf.get(e_testid);
         res = r.decrypt(res);
         test.ok(res);
         test.equal(res.toString(), testdata.toString());
         test.done();
      },
      delete: async function (test: TestType) {
         test.expect(1);
         let res = await sf.delete(e_testid);
         test.ok(res);
         test.done();
      },
   }
}