package game

import (
	"math"
	"strings"

	"thehouseoficarus/internal/color"
	"thehouseoficarus/internal/net"
)

func (g *Game) hpBar(sess *net.Session, current, max int) string {
	if max <= 0 {
		max = 1
	}
	if current < 0 {
		current = 0
	}
	if current > max {
		current = max
	}

	pct := float64(current) / float64(max) * 100.0
	filled := int(math.Round(pct / 10.0))
	if filled < 0 {
		filled = 0
	}
	if filled > 10 {
		filled = 10
	}

	mode := g.colorMode(sess)

	var fgColor int
	switch {
	case pct >= 70:
		fgColor = 82
	case pct >= 40:
		fgColor = 220
	default:
		fgColor = 160
	}

	fillSpec := color.ColorSpec{Fg: fgColor}
	emptySpec := color.ColorSpec{Fg: 238, Dim: true}

	fillChar := "█"
	emptyChar := "░"
	if sess.Player != nil && !sess.Player.OptionBool("unicode") {
		fillChar = "#"
		emptyChar = "."
	}

	var sb strings.Builder
	sb.WriteString("[")
	sb.WriteString(color.Render(mode, fillSpec, strings.Repeat(fillChar, filled)))
	sb.WriteString(color.Render(mode, emptySpec, strings.Repeat(emptyChar, 10-filled)))
	sb.WriteString("]")
	return sb.String()
}