package main

import (
	"fmt"
	"log/slog"
	"os"

	"codeflow.dananglin.me.uk/apollo/spruce/internal/cmd"
)

var (
	binaryVersion string
	buildTime     string
	goVersion     string
	gitCommit     string
)

func main() {
	args := os.Args[1:]

	if len(args) < 1 || args[0] == "--help" || args[0] == "-h" || args[0] == "help" || args[0] == "-help" {
		cmd.SpruceUsage()
		os.Exit(0)
	}

	logOptions := slog.HandlerOptions{
		AddSource: false,
	}

	logger := slog.New(slog.NewTextHandler(os.Stdout, &logOptions))

	slog.SetDefault(logger)

	subcommand := args[0]

	var runner cmd.Runner

	switch subcommand {
	case "version":
		runner = cmd.NewVersionCommand(
			binaryVersion,
			buildTime,
			goVersion,
			gitCommit,
		)
	case "generate":
		runner = cmd.NewGenerateCommand()
	case "create":
		runner = cmd.NewCreateCommand()
	default:
		slog.Error("unknown subcommand", "subcommand", subcommand)
		cmd.SpruceUsage()
		os.Exit(1)
	}

	if err := runner.Parse(os.Args[2:]); err != nil {
		slog.Error(fmt.Sprintf("unable to parse the command line flags; %v.", err))
		os.Exit(1)
	}

	if err := runner.Run(); err != nil {
		slog.Error(fmt.Sprintf("unable to run '%s'; %v.", runner.Name(), err))
		os.Exit(1)
	}
}