#!/usr/bin/env node

const fs = require("fs");
const path = require("path");

const arg = process.argv[2];

function camelize(str) {
  return str.replace(/(?:^\w|[A-Z]|\b\w)/g, (word, index) => {
    return index === 0 ? word.toLowerCase() : word.toUpperCase();
  }).replace(/[\W]/g, "");
}

function toPascalCase(string) {
  return `${string}`
    .toLowerCase()
    .replace(new RegExp(/[-_]+/, "g"), "")
    .replace(new RegExp(/[^\w\s]/, "g"), "")
    .replace(
      new RegExp(/\s+(.)(\w*)/, "g"),
      ($1, $2, $3) => `${$2.toUpperCase() + $3}`
    )
    .replace(new RegExp(/\w/), s => s.toUpperCase());
}

const name = arg.trim();
const fileName = name.toLowerCase();
const varName = camelize(name);
const Controller = `${toPascalCase(name)}Controller`;

const content = `
import { IWorkLenzRequest } from "../interfaces/worklenz-request";
import { IWorkLenzResponse } from "../interfaces/worklenz-response";

import db from "../config/db";
import { ServerResponse } from "../models/server-response";
import WorklenzControllerBase from "./worklenz-controller-base";
import HandleExceptions from "../decorators/handle-exceptions";

export default class ${Controller} extends WorklenzControllerBase {
  @HandleExceptions()
  public static async create(req: IWorkLenzRequest, res: IWorkLenzResponse): Promise<IWorkLenzResponse> {
    const q = \`\`;
    const result = await db.query(q, []);
    const [data] = result.rows;
    return res.status(200).send(new ServerResponse(true, data));
  }

  @HandleExceptions()
  public static async get(req: IWorkLenzRequest, res: IWorkLenzResponse): Promise<IWorkLenzResponse> {
    const q = \`\`;
    const result = await db.query(q, []);
    return res.status(200).send(new ServerResponse(true, result.rows));
  }

  @HandleExceptions()
  public static async getById(req: IWorkLenzRequest, res: IWorkLenzResponse): Promise<IWorkLenzResponse> {
    const q = \`\`;
    const result = await db.query(q, []);
    const [data] = result.rows;
    return res.status(200).send(new ServerResponse(true, data));
  }

  @HandleExceptions()
  public static async update(req: IWorkLenzRequest, res: IWorkLenzResponse): Promise<IWorkLenzResponse> {
    const q = \`\`;
    const result = await db.query(q, []);
    return res.status(200).send(new ServerResponse(true, result.rows));
  }

  @HandleExceptions()
  public static async deleteById(req: IWorkLenzRequest, res: IWorkLenzResponse): Promise<IWorkLenzResponse> {
    const q = \`\`;
    const result = await db.query(q, []);
    return res.status(200).send(new ServerResponse(true, result.rows));
  }
}
`;

const fullName = `${name}-controller`;

const apis = `
import express from "express";

import ${Controller} from "../../controllers/${fullName}";

const ${varName}ApiRouter = express.Router();

${varName}ApiRouter.post("/", ${Controller}.create);
${varName}ApiRouter.get("/", ${Controller}.get);
${varName}ApiRouter.get("/:id", ${Controller}.getById);
${varName}ApiRouter.put("/:id", ${Controller}.update);
${varName}ApiRouter.delete("/:id", ${Controller}.deleteById);

export default ${varName}ApiRouter;
`;

fs.writeFileSync(path.join(__dirname, "../src/controllers", `${fullName}.ts`), content.trim(), "utf8");
fs.writeFileSync(path.join(__dirname, "../src/routes/apis/", `${fileName}-api-router.ts`), apis.trim(), "utf8");

let api = fs.readFileSync(path.join(__dirname, "../src/routes/apis", "index.ts"), "utf8");
api = api.replace("\nconst api = express.Router();", `import ${varName}ApiRouter from "./${fileName}-api-router";\n\nconst api = express.Router();`);
api = api.replace("export default api;", `api.use("/${fileName}", ${varName}ApiRouter);\n\nexport default api;`);
fs.writeFileSync(path.join(__dirname, "../src/routes/apis", "index.ts"), api, "utf8");

console.log(`${fullName} generated`);