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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 | import type { EpgProgram } from "@/lib/types";
export const WINDOW_PAST = 3600; // default 1 hour before now
export const WINDOW_FUTURE = 7200; // default 2 hours after now
export const formatHHMM = (unix: number): string =>
new Date(unix * 1000).toLocaleTimeString([], { hour: "2-digit", minute: "2-digit" });
/** Returns Unix timestamps (seconds) of every 30-minute boundary in [windowStart, windowEnd). */
export const getGridMarks = (windowStart: number, windowEnd: number): number[] => {
const marks: number[] = [];
const first = Math.ceil(windowStart / 1800) * 1800;
for (let t = first; t < windowEnd; t += 1800) marks.push(t);
return marks;
};
/** Maps a Unix timestamp to a percentage [0–100] within [windowStart, windowEnd]. */
export const toPct = (t: number, windowStart: number, windowTotal: number): number =>
Math.max(0, Math.min(100, ((t - windowStart) / windowTotal) * 100));
interface EpgTimelineBarProps {
programmes: EpgProgram[];
now: number;
windowStart?: number;
windowEnd?: number;
/** Tailwind h-* class */
height?: string;
/** Render time labels below the bar */
showLabels?: boolean;
onSelect?: (prog: EpgProgram) => void;
selected?: EpgProgram | null;
}
export const EpgTimelineBar = ({
programmes,
now,
windowStart: wStart,
windowEnd: wEnd,
height = "h-10",
showLabels = false,
onSelect,
selected,
}: EpgTimelineBarProps) => {
const windowStart = wStart ?? now - WINDOW_PAST;
const windowEnd = wEnd ?? now + WINDOW_FUTURE;
const windowTotal = windowEnd - windowStart;
const pct = (t: number) => toPct(t, windowStart, windowTotal);
const nowPct = pct(now);
const gridMarks = getGridMarks(windowStart, windowEnd);
const visible = programmes.filter((p) => p.endTime > windowStart && p.startTime < windowEnd);
return (
<div className="w-full">
{/* Bar */}
<div
className={`relative w-full rounded-md overflow-hidden border border-border/20 ${height}`}
style={{
background:
"linear-gradient(180deg, hsl(var(--secondary)/0.35) 0%, hsl(var(--secondary)/0.18) 100%)",
}}
>
{/* Program blocks — rendered first (lower z) */}
{visible.map((prog, i) => {
const left = pct(prog.startTime);
const right = pct(prog.endTime);
const width = right - left;
if (width < 0.3) return null;
const isCurrent = prog.startTime <= now && prog.endTime > now;
const isPast = prog.endTime <= now;
const isSelected =
selected != null &&
selected.startTime === prog.startTime &&
selected.channelId === prog.channelId;
// Inline gradient so we get depth even without Tailwind opacity classes
const bg = isSelected
? "linear-gradient(180deg, hsl(var(--primary)/0.72) 0%, hsl(var(--primary)/0.58) 100%)"
: isCurrent
? "linear-gradient(180deg, hsl(var(--primary)/0.50) 0%, hsl(var(--primary)/0.36) 100%)"
: isPast
? "linear-gradient(180deg, hsl(var(--muted-foreground)/0.15) 0%, hsl(var(--muted-foreground)/0.08) 100%)"
: "linear-gradient(180deg, hsl(var(--primary)/0.20) 0%, hsl(var(--primary)/0.12) 100%)";
const hoverBg = isSelected
? "hsl(var(--primary)/0.80)"
: isCurrent
? "hsl(var(--primary)/0.56)"
: isPast
? "hsl(var(--muted-foreground)/0.22)"
: "hsl(var(--primary)/0.28)";
return (
<div
key={`${prog.channelId}-${prog.startTime}-${i}`}
role={onSelect ? "button" : undefined}
tabIndex={onSelect ? 0 : undefined}
onClick={
onSelect
? (e) => {
e.stopPropagation();
onSelect(prog);
}
: undefined
}
onKeyDown={
onSelect
? (e) => {
if (e.key === "Enter" || e.key === " ") {
e.preventDefault();
e.stopPropagation();
onSelect(prog);
}
}
: undefined
}
title={prog.title}
className={[
"absolute top-0 bottom-0 border-r border-white/8 z-[1] overflow-hidden",
"before:absolute before:inset-x-0 before:top-0 before:h-px before:bg-white/18 before:pointer-events-none",
onSelect
? "cursor-pointer transition-all duration-100"
: "cursor-default",
].join(" ")}
style={{
left: `${left.toFixed(3)}%`,
width: `${width.toFixed(3)}%`,
background: bg,
}}
onMouseEnter={
onSelect
? (e) => {
(e.currentTarget as HTMLDivElement).style.background =
hoverBg;
}
: undefined
}
onMouseLeave={
onSelect
? (e) => {
(e.currentTarget as HTMLDivElement).style.background =
bg;
}
: undefined
}
>
{width > 5 && (
<span
className={`absolute inset-x-1.5 top-1/2 -translate-y-1/2 truncate pointer-events-none leading-tight text-[9px] font-medium ${
isCurrent || isSelected
? "text-foreground/90"
: isPast
? "text-foreground/40"
: "text-foreground/60"
}`}
>
{prog.title}
</span>
)}
</div>
);
})}
{/* Gridlines ON TOP of program blocks at low opacity so they're visible through blocks */}
{gridMarks.map((t) => (
<div
key={t}
className={`absolute top-0 bottom-0 w-px pointer-events-none z-[2] ${
t % 3600 === 0 ? "bg-white/18" : "bg-white/8"
}`}
style={{ left: `${pct(t).toFixed(3)}%` }}
/>
))}
{/* "Now" marker — on top of everything */}
<div
className="absolute top-0 bottom-0 w-0.5 bg-red-400/85 z-[3] pointer-events-none"
style={{ left: `${nowPct.toFixed(3)}%` }}
/>
</div>
{/* Time labels below bar */}
{showLabels && (
<div className="relative w-full h-4 mt-0.5">
{gridMarks.map((t) => {
const p = pct(t);
if (p < 3 || p > 97) return null;
return (
<span
key={t}
className={`absolute -translate-x-1/2 tabular-nums select-none ${
t % 3600 === 0
? "text-[9px] text-muted-foreground/65 font-medium"
: "text-[8px] text-muted-foreground/40"
}`}
style={{ left: `${p.toFixed(3)}%` }}
>
{formatHHMM(t)}
</span>
);
})}
</div>
)}
</div>
);
};
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