import line_i18n from "line-i18n";
import { IVProgProcessor } from "./../processor/ivprogProcessor";
import { DOMConsole } from "./../io/domConsole";
import { OutputMatching } from "./output_matching/output_matching";
import { Config } from "../util/config";
import { Assessment } from "./assessment";

const StringTypes = line_i18n.StringTypes;

export class IVProgAssessment extends Assessment {
  constructor (ast_code, testCases, domConsole) {
    super(ast_code, testCases, domConsole);
  }

  runTest () {
    try {
      // loop test cases and show messages through domconsole
      const partialTests = this.testCases.map((t, name) => {
        return new OutputMatching(
          new IVProgProcessor(this.ast_code),
          t.input,
          t.output,
          name,
          t.tag
        );
      });
      const testResult = partialTests.map((om) => om.eval());
      return Promise.all(testResult).then((results) => {
        let grade = 0;
        for (let i = 0; i < results.length; i += 1) {
          const result = results[i];
          grade += result.grade;
          if (result.grade == 1) {
            this.writeToConsole(
              DOMConsole.INFO,
              StringTypes.MESSAGE,
              "test_case_success",
              result.name + 1,
              result.generateOutput()
            );
          } else if (result.status == 1) {
            this.writeToConsole(
              DOMConsole.ERR,
              StringTypes.ERROR,
              "test_case_failed_exception",
              result.name + 1,
              result.error_msg,
              result.generateOutput()
            );
          } else {
            this.writeToConsole(
              DOMConsole.ERR,
              StringTypes.ERROR,
              "test_case_failed",
              result.name + 1,
              result.generateOutput()
            );
          }
        }
        grade /= results.length;
        const channel = grade == 1 ? DOMConsole.INFO : DOMConsole.ERR;
        this.writeToConsole(
          channel,
          StringTypes.MESSAGE,
          "test_suite_grade",
          (grade * 100).toFixed(2)
        );
        return grade;
      });
      // return testResult.then(function (total) {
      //   const grade = total / this.testCases.length;
      //   const channel = grade == 1 ? DOMConsole.INFO : DOMConsole.ERR;
      //   this.writeToConsole(channel, StringTypes.MESSAGE, "test_suite_grade", (grade * 100).toFixed(2));
      //   return Promise.resolve(grade)
      // }).catch(err => {
      //   this.domConsole.err("Erro inesperado durante o cálculo da nota.");// try and show error messages through domconsole
      //   this.domConsole.err(err.message);
      //   return Promise.resolve(0);
      // });
    } catch (error) {
      this.showErrorMessage(
        DOMConsole.ERR,
        StringTypes.MESSAGE,
        "unexpected_execution_error"
      );
      this.domConsole.err(error.message);
      return Promise.resolve(0);
    } finally {
      Config.setConfig(this.old_config);
    }
  }
}