package cmd

import (
	"fmt"
)

// Status displays the current A/B slot configuration and boot state.
func Status(args []string) error {
	opts := parseOpts(args)
	env := opts.NewBootEnv()

	activeSlot, err := env.ActiveSlot()
	if err != nil {
		return fmt.Errorf("reading active slot: %w", err)
	}

	passiveSlot, err := env.PassiveSlot()
	if err != nil {
		return fmt.Errorf("reading passive slot: %w", err)
	}

	bootCounter, err := env.BootCounter()
	if err != nil {
		return fmt.Errorf("reading boot counter: %w", err)
	}

	bootSuccess, err := env.BootSuccess()
	if err != nil {
		return fmt.Errorf("reading boot success: %w", err)
	}

	fmt.Println("KubeSolo OS — A/B Partition Status")
	fmt.Println("───────────────────────────────────")
	fmt.Printf("  Active slot:   %s\n", activeSlot)
	fmt.Printf("  Passive slot:  %s\n", passiveSlot)
	fmt.Printf("  Boot counter:  %d\n", bootCounter)
	if bootSuccess {
		fmt.Printf("  Boot success:  1\n")
	} else {
		fmt.Printf("  Boot success:  0\n")
	}

	if bootSuccess {
		fmt.Println("\n  ✓ System is healthy (boot confirmed)")
	} else if bootCounter == 0 {
		fmt.Println("\n  ✗ Boot counter exhausted — rollback will occur on next reboot")
	} else {
		fmt.Printf("\n  ⚠ Boot pending verification (%d attempts remaining)\n", bootCounter)
	}

	return nil
}