package cmd

import (
	"axolotl/service"
	"fmt"
	"os"
	"strings"

	"github.com/spf13/cobra"
)

var jsonFlag bool
var cfg service.Config
var rootCmd = &cobra.Command{Use: "ax", Short: "The axolotl issue tracker"}

func Execute() {
	var err error
	cfg, err = service.LoadConfig()
	if err != nil {
		fmt.Fprintln(os.Stderr, "failed to load config:", err)
		os.Exit(1)
	}
	registerAliasCommands()
	rootCmd.SetArgs(transformArgs(os.Args[1:]))
	if err := rootCmd.Execute(); err != nil {
		os.Exit(1)
	}
}

func registerAliasCommands() {
	rootCmd.AddGroup(&cobra.Group{ID: "aliases", Title: "Aliases:"})
	aliases, _ := cfg.ListAliases()
	for _, a := range aliases {
		a := a
		rootCmd.AddCommand(&cobra.Command{
			Use:                a.Name,
			Short:              a.Description,
			GroupID:            "aliases",
			DisableFlagParsing: true,
			Run: func(cmd *cobra.Command, args []string) {
				expanded := service.ExpandAlias(a, args, cfg.GetUser())
				rootCmd.SetArgs(transformArgs(expanded))
				if err := rootCmd.Execute(); err != nil {
					os.Exit(1)
				}
			},
		})
	}
}

func transformArgs(args []string) []string {
	aliases := map[string]string{
		"--status":    "_status",
		"--prio":      "_prio",
		"--type":      "_type",
		"--namespace": "_namespace",
	}
	result := []string{}

	for i := 0; i < len(args); i++ {
		if idx := strings.Index(args[i], "="); idx != -1 {
			if prop, ok := aliases[args[i][:idx]]; ok {
				result = append(result, "--tag", prop+"::"+args[i][idx+1:])
				continue
			}
		}
		if prop, ok := aliases[args[i]]; ok && i+1 < len(args) {
			result, i = append(result, "--tag", prop+"::"+args[i+1]), i+1
			continue
		}
		result = append(result, args[i])
	}
	return result
}

func init() {
	rootCmd.PersistentFlags().BoolVar(&jsonFlag, "json", false, "")
}