import chalk from "chalk"
import { CmdDefinition, createCommand } from "../../utils/cmd"
import { spacer } from "../../utils/common"
import api from "../api"
import config from "../config"
import profile from "../profile-management"
import utility from "../utility"

const showVersion = () => {
  const packageJson = require("../../../package.json")
  const version = packageJson.version
  const buildDate = packageJson.releaseBuildDate

  console.log("ZHC CLI")
  console.log("Version:", version)
  console.log("Build date:", buildDate)
}

const showHelp = () => {
  const availableCommands = [
    config,
    api,
    profile,
    utility
  ] as CmdDefinition[]

  console.log(chalk.green("ZHC CLI"))
  console.log()

  console.log(`${chalk.yellow("Usage:")} zhc [command] [options] [arguments]`)
  console.log()

  console.log(chalk.yellow("Available Commands:"))

  const minCommandLength = availableCommands
    .map((cmd) => cmd.command.length)
    .sort()[availableCommands.length - 1]

  const formatCommandName = (cmd: string) => {
    const diff = minCommandLength - cmd.length
    return chalk.green(cmd + " ".repeat(diff))
  }

  const space = spacer()
  const descSpace = "\t\t"

  for (const cmd of availableCommands) {
    console.log(`${space}${formatCommandName(cmd.command)}${descSpace}${cmd.description}`)
  }
  console.log()

  console.log(chalk.yellow("Options:"))
  console.log(`${space}${chalk.green("-v")}, ${chalk.green("--version")}${descSpace}Show version`)
  console.log(`${space}${chalk.green("-h")}, ${chalk.green("--help")}${descSpace}Show help`)
  console.log()

  console.log(`Use '${chalk.green("zhc [command] -h|--help")}' for more information about a command.`)
  console.log()
}

export default createCommand(
  {
    command: "base",
    description: "",
    options: {
      "v:version": "Show version",
      "h:help": "Show help",
    }
  },
  (opt) => {
    if (Object.keys(opt).length === 0) {
      showHelp()
      return
    }

    if (opt.version) {
      showVersion()
      return
    }

    if (opt.help) {
      showHelp()
      return
    }
  }
)