package ui

import (
	"strings"

	"github.com/charmbracelet/lipgloss"
)

// A 5-row block font for the oversized detail-view scoreline. Each glyph is 6
// cells wide with 2-cell-thick strokes, so vertical strokes read as bold as
// the horizontals — rendered with the full block rune for the app's signature
// flair.
const blockRows = 5

var blockGlyphs = map[rune][blockRows]string{
	'0': {"██████", "██  ██", "██  ██", "██  ██", "██████"},
	'1': {"  ██  ", "████  ", "  ██  ", "  ██  ", "██████"},
	'2': {"██████", "    ██", "██████", "██    ", "██████"},
	'3': {"██████", "    ██", " █████", "    ██", "██████"},
	'4': {"██  ██", "██  ██", "██████", "    ██", "    ██"},
	'5': {"██████", "██    ", "██████", "    ██", "██████"},
	'6': {"██████", "██    ", "██████", "██  ██", "██████"},
	'7': {"██████", "    ██", "   ██ ", "  ██  ", "  ██  "},
	'8': {"██████", "██  ██", "██████", "██  ██", "██████"},
	'9': {"██████", "██  ██", "██████", "    ██", "██████"},
	'-': {"      ", "      ", "██████", "      ", "      "},
	' ': {"      ", "      ", "      ", "      ", "      "},
}

// blockNumber renders a string of digits (and '-'/' ') as a 5-row block, each
// row a single string. Unknown runes render as blank glyphs.
func blockNumber(s string) []string {
	rows := make([]string, blockRows)
	for i, r := range s {
		g, ok := blockGlyphs[r]
		if !ok {
			g = blockGlyphs[' ']
		}
		for row := 0; row < blockRows; row++ {
			if i > 0 {
				rows[row] += " " // 1-cell gap between glyphs
			}
			rows[row] += g[row]
		}
	}
	return rows
}

// blockScore renders "away - home" as one big colored block: away digits in
// awayCol, home in homeCol, the dash muted. Returns a multi-line string.
func blockScore(away, home string, awayCol, homeCol lipgloss.TerminalColor) string {
	render := func(s string, c lipgloss.TerminalColor) string {
		return lipgloss.NewStyle().Foreground(c).Bold(true).
			Render(strings.Join(blockNumber(s), "\n"))
	}
	gap := strings.Join(blockNumber(" "), "\n")
	dash := lipgloss.NewStyle().Foreground(colMuted).Render(strings.Join(blockNumber("-"), "\n"))
	return lipgloss.JoinHorizontal(lipgloss.Top,
		render(away, awayCol), gap, dash, gap, render(home, homeCol))
}