import { Command, Option } from "clipanion"
import * as typanion from "typanion"
import chalk from "chalk"

import { Solution } from "../../services/Solution.js"

export class GenerateSolutionCommand extends Command {
  public static override paths = [["generate", "solution"]]

  public static override usage = {
    description: "Create the basic files needed for a new solution.",
  }

  public challenge = Option.String("--challenge", {
    description: "The challenge name you want to generate a solution for.",
    required: true,
    validator: typanion.isString(),
  })

  public githubUser = Option.String("--github-user", {
    description: "Your GitHub user.",
    required: true,
    validator: typanion.isString(),
  })

  public solutionName = Option.String("--solution", {
    description: "The new solution name to generate.",
    required: true,
    validator: typanion.isString(),
  })

  public programmingLanguage = Option.String("--language", {
    description: "The programming language to use to solve the challenge.",
    required: true,
    validator: typanion.isString(),
  })

  public async execute(): Promise<number> {
    try {
      const solution = await Solution.generate({
        name: this.solutionName,
        githubUser: this.githubUser,
        challengeName: this.challenge,
        programmingLanguageName: this.programmingLanguage,
      })
      console.log(
        `${chalk.bold.green("Success:")} created the new solution at ${
          solution.path
        }.`,
      )
      return 0
    } catch (error) {
      if (error instanceof Error) {
        console.error(`${chalk.bold.red("Error:")} ${error.message}`)
      }
      return 1
    }
  }
}