import * as _ from "lodash";
import * as fs from "fs-extra";

export const generateIndexTestTs = (data: any) => {
  const { name, test_plan, outputFolder, templateFolder } = data;

  //   grab [name] from json

  //   grab [test_plan] from json
  fs.readFile(
    `${templateFolder}/index.test.ts.template`,
    "utf8",
    (err, data) => {
      if (err) return console.error(err);

      //   loop through test_plan and build an [it_block]
      const templateString =
        "  it(`<%= test['scenario'] %>: <%= test['expected'] %>`, () => {})" +
        "\n";
      const it_block = _.join(
        _.map(test_plan, test => _.template(templateString)({ test })),
        "\n"
      );

      //   pass [name] & [it_block] to index.test.ts.template
      const indexTestTs = _.template(data)({ name, it_block });

      //   save result to {outFolder}/index.test.ts
      fs.outputFile(`${outputFolder}/index.test.ts`, indexTestTs);
    }
  );
};