package main

import (
	"fmt"
	"os"
	"time"

	"github.com/alecthomas/kong"
	"github.com/percona/percona-toolkit/src/go/pt-galera-log-explainer/translate"
	"github.com/percona/percona-toolkit/src/go/pt-galera-log-explainer/types"
	"github.com/percona/percona-toolkit/src/go/pt-galera-log-explainer/utils"
	"github.com/rs/zerolog"
	"github.com/rs/zerolog/log"
)

const (
	toolname = "pt-galera-log-explainer"
)

// We do not set anything here, these variables are defined by the Makefile
var (
	Build     string //nolint
	GoVersion string //nolint
	Version   string //nolint
	Commit    string //nolint
)

var buildInfo = fmt.Sprintf("%s\nVersion %s\nBuild: %s using %s\nCommit: %s", toolname, Version, Build, GoVersion, Commit)

var CLI struct {
	NoColor          bool
	Since            *time.Time      `help:"Only list events after this date, format: 2023-01-23T03:53:40Z (RFC3339)"`
	Until            *time.Time      `help:"Only list events before this date"`
	Verbosity        types.Verbosity `type:"counter" short:"v" default:"0" help:"-v: DebugMySQL (add every mysql info the tool used), -vv: Debug (internal tool debug)"`
	PxcOperator      bool            `default:"false" help:"Analyze logs from Percona PXC operator. Off by default because it negatively impacts performance for non-k8s setups"`
	ExcludeRegexes   []string        `help:"Remove regexes from analysis. List regexes using 'pt-galera-log-explainer regex-list'"`
	MergeByDirectory bool            `help:"Instead of relying on identification, merge contexts and columns by base directory. Very useful when dealing with many small logs organized per directories."`

	List      list      `cmd:""`
	Whois     whois     `cmd:""`
	Sed       sed       `cmd:""`
	Ctx       ctx       `cmd:""`
	RegexList regexList `cmd:""`
	Conflicts conflicts `cmd:""`

	Version kong.VersionFlag

	GrepCmd  string `help:"'grep' command path. Could need to be set to 'ggrep' for darwin systems" default:"grep"`
	GrepArgs string `help:"'grep' arguments. perl regexp (-P) is necessary. -o will break the tool" default:"-P"`
}

func main() {
	ctx := kong.Parse(&CLI,
		kong.Name(toolname),
		kong.Description("An utility to merge and help analyzing Galera logs"),
		kong.UsageOnError(),
		kong.Vars{
			"version": buildInfo,
		},
	)

	zerolog.TimeFieldFormat = zerolog.TimeFormatUnix
	zerolog.SetGlobalLevel(zerolog.WarnLevel)
	log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
	if CLI.Verbosity == types.Debug {
		zerolog.SetGlobalLevel(zerolog.DebugLevel)
	}

	utils.SkipColor = CLI.NoColor
	translate.AssumeIPStable = !CLI.PxcOperator

	err := ctx.Run()
	ctx.FatalIfErrorf(err)
}