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package qr
import (
"strings"
"github.com/sst/opencode/internal/styles"
"github.com/sst/opencode/internal/theme"
"rsc.io/qr"
)
var tops_bottoms = []rune{' ', '▀', '▄', '█'}
// Generate a text string to a QR code, which you can write to a terminal or file.
func Generate(text string) (string, int, error) {
code, err := qr.Encode(text, qr.Level(0))
if err != nil {
return "", 0, err
}
t := theme.CurrentTheme()
if t == nil {
return "", 0, err
}
// Create lipgloss style for QR code with theme colors
qrStyle := styles.NewStyle().Foreground(t.Text()).Background(t.Background())
var result strings.Builder
// content
for y := 0; y < code.Size-1; y += 2 {
var line strings.Builder
for x := 0; x < code.Size; x += 1 {
var num int8
if code.Black(x, y) {
num += 1
}
if code.Black(x, y+1) {
num += 2
}
line.WriteRune(tops_bottoms[num])
}
result.WriteString(qrStyle.Render(line.String()) + "\n")
}
// add lower border when required (only required when QR size is odd)
if code.Size%2 == 1 {
var borderLine strings.Builder
for range code.Size {
borderLine.WriteRune('▀')
}
result.WriteString(qrStyle.Render(borderLine.String()) + "\n")
}
return result.String(), code.Size, nil
}
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