package main

import (
	"fmt"
	"os"
	"strconv"

	"github.com/safedep/dry/log"
	"github.com/safedep/pmg/cmd/npm"
	"github.com/safedep/pmg/cmd/pypi"
	"github.com/safedep/pmg/cmd/setup"
	"github.com/safedep/pmg/cmd/version"
	"github.com/safedep/pmg/config"
	"github.com/safedep/pmg/internal/analytics"
	"github.com/safedep/pmg/internal/ui"
	appVersion "github.com/safedep/pmg/internal/version"
	"github.com/spf13/cobra"
)

var (
	debug        bool
	silent       bool
	verbose      bool
	logFile      string
	globalConfig config.Config
)

func main() {
	cmd := &cobra.Command{
		Use:              "pmg",
		TraverseChildren: true,
		PersistentPreRun: func(cmd *cobra.Command, args []string) {
			// Always set this first because we will override the log
			// level if debug or verbose is set
			if logFile != "" {
				os.Setenv("APP_LOG_FILE", logFile)
				os.Setenv("APP_LOG_LEVEL", "info")
			}

			// Set the log level when debug is enabled
			if debug {
				os.Setenv("APP_LOG_LEVEL", "debug")
			}

			// Skip stdout logging when debugging is not enabled
			if !debug {
				os.Setenv("APP_LOG_SKIP_STDOUT_LOGGER", "true")
			}

			if silent && verbose {
				fmt.Println("pmg: --silent and --verbose cannot be used together")
				os.Exit(1)
			}

			if silent {
				ui.SetVerbosityLevel(ui.VerbosityLevelSilent)
			} else if verbose {
				ui.SetVerbosityLevel(ui.VerbosityLevelVerbose)
			}

			// Check for PMG_INSECURE_INSTALLATION environment variable
			if val := os.Getenv("PMG_INSECURE_INSTALLATION"); val != "" {
				if boolVal, err := strconv.ParseBool(val); err == nil {
					globalConfig.InsecureInstallation = boolVal
				}
			}

			log.InitZapLogger("pmg", "cli")
			cmd.SetContext(globalConfig.Inject(cmd.Context()))
		},
		RunE: func(cmd *cobra.Command, args []string) error {
			if len(args) == 0 {
				return cmd.Help()
			}

			return fmt.Errorf("pmg: %s is not a valid command", args[0])
		},
	}

	cmd.PersistentFlags().StringVar(&logFile, "log", "", "Log file to write to")
	cmd.PersistentFlags().BoolVar(&silent, "silent", false, "Silent mode for invisible experience")
	cmd.PersistentFlags().BoolVar(&verbose, "verbose", false, "Verbose mode for more information")
	cmd.PersistentFlags().BoolVar(&debug, "debug", false, "Enable debug logging (defaults to stdout)")
	cmd.PersistentFlags().BoolVar(&globalConfig.Transitive, "transitive", true, "Resolve transitive dependencies")
	cmd.PersistentFlags().IntVar(&globalConfig.TransitiveDepth, "transitive-depth", 5,
		"Maximum depth of transitive dependencies to resolve")
	cmd.PersistentFlags().BoolVar(&globalConfig.IncludeDevDependencies, "include-dev-dependencies", false,
		"Include dev dependencies in the dependency graph (slows down resolution)")
	cmd.PersistentFlags().BoolVar(&globalConfig.DryRun, "dry-run", false, "Dry run skips execution of package manager")
	cmd.PersistentFlags().BoolVar(&globalConfig.Paranoid, "paranoid", false, "Perform active scanning of unknown packages (slow)")

	cmd.AddCommand(npm.NewNpmCommand())
	cmd.AddCommand(npm.NewPnpmCommand())
	cmd.AddCommand(npm.NewBunCommand())
	cmd.AddCommand(pypi.NewPipCommand())
	cmd.AddCommand(pypi.NewUvCommand())
	cmd.AddCommand(pypi.NewPoetryCommand())
	cmd.AddCommand(version.NewVersionCommand())
	cmd.AddCommand(setup.NewSetupCommand())
	cmd.AddCommand(setup.NewRemoveCommand())

	// Print Banner on --help / -h
	cmd.SetHelpFunc(func(command *cobra.Command, args []string) {
		fmt.Print(ui.GeneratePMGBanner(appVersion.Version, appVersion.Commit))
		fmt.Println(command.UsageString())
	})

	defer analytics.Close()

	analytics.TrackCommandRun()
	analytics.TrackCI()

	if err := cmd.Execute(); err != nil {
		os.Exit(1)
	}
}