package commands

import (
	"context"
	"crypto/rand"
	"encoding/hex"
	"fmt"
	"time"

	"git.loyso.art/frx/eway/cmd/cli/components"
	"git.loyso.art/frx/eway/internal/entity"

	"github.com/urfave/cli/v3"
)

type empty entity.Empty

type action func(ctx context.Context, c *cli.Command) error

func decorateAction(a action) cli.ActionFunc {
	return func(ctx context.Context, c *cli.Command) error {
		var data [3]byte
		_, _ = rand.Read(data[:])
		reqid := hex.EncodeToString(data[:])

		log, err := components.GetLogger()
		if err != nil {
			return fmt.Errorf("getting logger: %w", err)
		}

		log = log.With().Str("reqid", reqid).Logger()
		rctx := log.WithContext(ctx)

		start := time.Now()
		defer func() {
			log.Info().Float64("elapsed", time.Since(start).Seconds()).Msg("command completed")
		}()

		log.Info().Msg("command execution started")
		return a(rctx, c)
	}
}

func cmdWithAction(cmd cli.Command, a action) *cli.Command {
	if a == nil {
		a = notImplementedAction
	}

	cmd.Action = decorateAction(a)
	return &cmd
}

func notImplementedAction(_ context.Context, _ *cli.Command) error {
	return entity.ErrNotImplemented
}