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package game
import (
"regexp"
"strings"
"unicode/utf8"
"thehouseoficarus/internal/casino"
"thehouseoficarus/internal/net"
)
// casinoCommandVariable matches a command variable: an uppercase run such as
// N in "bet N on BET" or MAX in "bet [1-4|MAX]". Literal command text is
// lowercase, so every uppercase run is a placeholder the player replaces.
var casinoCommandVariable = regexp.MustCompile(`[A-Z]+`)
// colorizeCommand paints literal command text in the command color and each
// uppercase variable in the distinct variable color. Mode "none" collapses to
// plain text, and text without variables gets a single color wrapper.
func (g *Game) colorizeCommand(sess *net.Session, text string) string {
matches := casinoCommandVariable.FindAllStringIndex(text, -1)
if len(matches) == 0 {
return g.colorize(sess, "command", text)
}
var sb strings.Builder
last := 0
for _, m := range matches {
if m[0] > last {
sb.WriteString(g.colorize(sess, "command", text[last:m[0]]))
}
sb.WriteString(g.colorize(sess, "command_variable", text[m[0]:m[1]]))
last = m[1]
}
if last < len(text) {
sb.WriteString(g.colorize(sess, "command", text[last:]))
}
return sb.String()
}
// Wrap before Session.WriteLine: generic prose wrapping strips alignment from
// overlong lines. Every casino menu uses the same two-space command indent and
// hanging description column, capped at 80 even when prose wrapping is off.
func (g *Game) casinoCommandColumns(sess *net.Session, commands []casino.MenuCommand) string {
limit := 80
if sess.Player != nil {
if wrap := sess.Player.OptionInt("wrap_width"); wrap > 0 {
limit = min(limit, wrap)
}
}
width := 0
for _, c := range commands {
n := utf8.RuneCountInString(c.Command)
// Unusually long commands get their own lines instead of squeezing every
// other command's description into a tiny column.
if n <= limit/2 {
width = max(width, n)
}
}
var lines []string
for _, c := range commands {
if sess.Player != nil && c.Cost > casinoAffordable(sess.Player) {
continue
}
n := utf8.RuneCountInString(c.Command)
if n > limit/2 {
for _, line := range casinoWrapWords(c.Command, max(1, limit-2)) {
lines = append(lines, " "+g.colorizeCommand(sess, line))
}
for _, line := range casinoWrapWords(c.Desc, max(1, limit-4)) {
lines = append(lines, " "+line)
}
continue
}
if strings.TrimSpace(c.Desc) == "" {
lines = append(lines, " "+g.colorizeCommand(sess, c.Command))
continue
}
indent := width + 4
desc := casinoWrapWords(c.Desc, max(1, limit-indent))
cmd := c.Command + strings.Repeat(" ", width-n)
lines = append(lines, " "+g.colorizeCommand(sess, cmd)+" "+desc[0])
for _, line := range desc[1:] {
lines = append(lines, strings.Repeat(" ", indent)+line)
}
}
return strings.Join(lines, "\n")
}
// Input is uncolored command/description text; paint only after measuring.
func casinoWrapWords(text string, width int) []string {
if width < 1 {
width = 1
}
var lines []string
line := ""
for _, word := range strings.Fields(text) {
if line != "" && utf8.RuneCountInString(line)+1+utf8.RuneCountInString(word) > width {
lines = append(lines, line)
line = ""
}
runes := []rune(word)
for len(runes) > width {
lines = append(lines, string(runes[:width]))
runes = runes[width:]
}
if line != "" {
line += " "
}
line += string(runes)
}
if line != "" {
lines = append(lines, line)
}
return lines
}
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