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stack/apps/web/src/components/layout/AppHeader.tsx
Jason Woltje a5ed260fbd
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feat(web): MS15 Phase 1 — Design System & App Shell (#451)
Co-authored-by: Jason Woltje <jason@diversecanvas.com>
Co-committed-by: Jason Woltje <jason@diversecanvas.com>
2026-02-22 20:57:06 +00:00

648 lines
19 KiB
TypeScript

"use client";
import { useState, useEffect, useRef, useCallback } from "react";
import Link from "next/link";
import { usePathname } from "next/navigation";
import { useAuth } from "@/lib/auth/auth-context";
import { ThemeToggle } from "./ThemeToggle";
import { useSidebar } from "./SidebarContext";
/**
* Full-width application header (topbar).
* Logo/brand MUST live here — not in the sidebar — per MS15 design spec.
* Spans grid-column 1 / -1 in the app shell grid layout.
*
* Layout (left → right):
* [Logo/Brand] [Breadcrumb] [Search] [spacer]
* [System Status] [Terminal Toggle] [Notifications] [Theme Toggle] [User Avatar+Dropdown]
*/
export function AppHeader(): React.JSX.Element {
const { user, signOut } = useAuth();
const { isMobile, mobileOpen, setMobileOpen, toggleCollapsed } = useSidebar();
const pathname = usePathname();
const [dropdownOpen, setDropdownOpen] = useState(false);
const [searchFocused, setSearchFocused] = useState(false);
const dropdownRef = useRef<HTMLDivElement>(null);
// Close dropdown on outside click
const handleOutsideClick = useCallback((event: MouseEvent) => {
if (dropdownRef.current && !dropdownRef.current.contains(event.target as Node)) {
setDropdownOpen(false);
}
}, []);
useEffect(() => {
if (dropdownOpen) {
document.addEventListener("mousedown", handleOutsideClick);
} else {
document.removeEventListener("mousedown", handleOutsideClick);
}
return (): void => {
document.removeEventListener("mousedown", handleOutsideClick);
};
}, [dropdownOpen, handleOutsideClick]);
// Derive breadcrumb segments from pathname
const breadcrumbSegments = pathname
.split("/")
.filter(Boolean)
.map((seg) => seg.charAt(0).toUpperCase() + seg.slice(1).replace(/-/g, " "));
// User initials for avatar fallback
const initials = user?.name
? user.name
.split(" ")
.slice(0, 2)
.map((part) => part[0])
.join("")
.toUpperCase()
: user?.email
? (user.email[0] ?? "?").toUpperCase()
: "?";
const handleHamburgerClick = useCallback((): void => {
if (isMobile) {
setMobileOpen(!mobileOpen);
} else {
toggleCollapsed();
}
}, [isMobile, mobileOpen, setMobileOpen, toggleCollapsed]);
return (
<header className="app-header">
{/* ── Hamburger — visible below lg ── */}
<button
type="button"
className="lg:hidden"
onClick={handleHamburgerClick}
aria-label={mobileOpen ? "Close navigation menu" : "Open navigation menu"}
aria-expanded={mobileOpen}
aria-controls="app-sidebar"
style={{
width: 34,
height: 34,
borderRadius: 6,
display: "flex",
alignItems: "center",
justifyContent: "center",
color: "var(--muted)",
background: "none",
border: "none",
cursor: "pointer",
flexShrink: 0,
}}
onMouseEnter={(e) => {
(e.currentTarget as HTMLButtonElement).style.background = "var(--surface)";
(e.currentTarget as HTMLButtonElement).style.color = "var(--text)";
}}
onMouseLeave={(e) => {
(e.currentTarget as HTMLButtonElement).style.background = "none";
(e.currentTarget as HTMLButtonElement).style.color = "var(--muted)";
}}
>
<svg
width="16"
height="16"
viewBox="0 0 16 16"
fill="none"
stroke="currentColor"
strokeWidth="1.5"
aria-hidden="true"
>
<path d="M2 4h12M2 8h12M2 12h12" />
</svg>
</button>
{/* ── Brand / Logo ── */}
<Link
href="/"
className="flex items-center gap-2 flex-shrink-0"
aria-label="Mosaic Stack home"
>
{/* Mosaic logo mark: four colored squares + center dot */}
<div
className="relative flex-shrink-0"
style={{ width: 28, height: 28 }}
aria-hidden="true"
>
<span
className="absolute rounded-sm"
style={{ top: 0, left: 0, width: 11, height: 11, background: "var(--ms-blue-500)" }}
/>
<span
className="absolute rounded-sm"
style={{ top: 0, right: 0, width: 11, height: 11, background: "var(--ms-purple-500)" }}
/>
<span
className="absolute rounded-sm"
style={{
bottom: 0,
right: 0,
width: 11,
height: 11,
background: "var(--ms-teal-500)",
}}
/>
<span
className="absolute rounded-sm"
style={{
bottom: 0,
left: 0,
width: 11,
height: 11,
background: "var(--ms-amber-500)",
}}
/>
<span
className="absolute rounded-full"
style={{
top: "50%",
left: "50%",
transform: "translate(-50%, -50%)",
width: 8,
height: 8,
background: "var(--ms-pink-500)",
}}
/>
</div>
<span
className="text-sm font-bold"
style={{
background: "linear-gradient(135deg, var(--ms-blue-400), var(--ms-purple-500))",
backgroundClip: "text",
WebkitBackgroundClip: "text",
WebkitTextFillColor: "transparent",
letterSpacing: "-0.02em",
}}
>
Mosaic Stack
</span>
</Link>
{/* ── Breadcrumb ── */}
<nav
aria-label="Breadcrumb"
className="hidden sm:flex items-center"
style={{ fontSize: "0.8rem", color: "var(--text-2)", marginLeft: 4 }}
>
{breadcrumbSegments.length === 0 ? (
<span>Dashboard</span>
) : (
breadcrumbSegments.map((seg, idx) => (
<span key={idx} className="flex items-center gap-1">
{idx > 0 && <span style={{ color: "var(--muted)", margin: "0 2px" }}>/</span>}
<span
style={{
color: idx === breadcrumbSegments.length - 1 ? "var(--text-2)" : "var(--muted)",
}}
>
{seg}
</span>
</span>
))
)}
</nav>
{/* ── Search Bar ── */}
<div
className="hidden md:flex items-center"
style={{
flex: 1,
maxWidth: 340,
marginLeft: 16,
gap: 8,
background: "var(--surface)",
border: `1px solid ${searchFocused ? "var(--primary)" : "var(--border)"}`,
borderRadius: 6,
padding: "7px 12px",
transition: "border-color 0.15s",
}}
>
{/* Search icon */}
<svg
width="13"
height="13"
viewBox="0 0 16 16"
fill="none"
stroke="currentColor"
strokeWidth="2"
style={{ color: "var(--muted)", flexShrink: 0 }}
aria-hidden="true"
>
<circle cx="7" cy="7" r="5" />
<path d="M11 11l3 3" />
</svg>
<input
type="text"
placeholder="Search projects, agents, tasks… (⌘K)"
onFocus={() => {
setSearchFocused(true);
}}
onBlur={() => {
setSearchFocused(false);
}}
style={{
flex: 1,
background: "none",
border: "none",
outline: "none",
color: "var(--text)",
fontSize: "0.83rem",
fontFamily: "inherit",
}}
aria-label="Search projects, agents, tasks"
/>
</div>
{/* ── Spacer ── */}
<div style={{ flex: 1 }} />
{/* ── Right side controls ── */}
<div className="flex items-center" style={{ gap: 8 }}>
{/* System Status */}
<div
className="hidden lg:flex items-center"
style={{
gap: 7,
padding: "5px 10px",
borderRadius: 6,
background: "var(--surface)",
border: "1px solid var(--border)",
fontSize: "0.75rem",
fontFamily: "var(--mono)",
}}
aria-label="System status: All Systems Operational"
>
<div
style={{
width: 6,
height: 6,
borderRadius: "50%",
background: "var(--success)",
boxShadow: "0 0 5px var(--success)",
flexShrink: 0,
}}
aria-hidden="true"
/>
<span style={{ color: "var(--muted)" }}>All Systems</span>
<span style={{ color: "var(--success)" }}>Operational</span>
</div>
{/* Terminal Toggle */}
<TerminalToggleButton />
{/* Notifications */}
<button
title="Notifications"
aria-label="Notifications (1 unread)"
style={{
width: 34,
height: 34,
borderRadius: 6,
display: "flex",
alignItems: "center",
justifyContent: "center",
color: "var(--muted)",
position: "relative",
background: "none",
border: "none",
cursor: "pointer",
flexShrink: 0,
}}
onMouseEnter={(e) => {
(e.currentTarget as HTMLButtonElement).style.background = "var(--surface)";
(e.currentTarget as HTMLButtonElement).style.color = "var(--text)";
}}
onMouseLeave={(e) => {
(e.currentTarget as HTMLButtonElement).style.background = "none";
(e.currentTarget as HTMLButtonElement).style.color = "var(--muted)";
}}
>
<svg
width="16"
height="16"
viewBox="0 0 16 16"
fill="none"
stroke="currentColor"
strokeWidth="1.5"
aria-hidden="true"
>
<path d="M8 1a5 5 0 0 1 5 5v2l1 2H2l1-2V6a5 5 0 0 1 5-5z" />
<path d="M6 13a2 2 0 0 0 4 0" />
</svg>
{/* Notification badge */}
<div
aria-hidden="true"
style={{
position: "absolute",
top: 4,
right: 4,
width: 8,
height: 8,
borderRadius: "50%",
background: "var(--danger)",
border: "2px solid var(--bg-deep)",
}}
/>
</button>
{/* Theme Toggle */}
<ThemeToggle />
{/* User Avatar + Dropdown */}
<div ref={dropdownRef} style={{ position: "relative", flexShrink: 0 }}>
<button
onClick={() => {
setDropdownOpen((prev) => !prev);
}}
aria-label="Open user menu"
aria-expanded={dropdownOpen}
aria-haspopup="menu"
style={{
width: 30,
height: 30,
borderRadius: "50%",
background: user?.image
? "none"
: "linear-gradient(135deg, var(--ms-blue-500), var(--ms-purple-500))",
border: "none",
cursor: "pointer",
display: "flex",
alignItems: "center",
justifyContent: "center",
padding: 0,
flexShrink: 0,
overflow: "hidden",
}}
>
{user?.image ? (
<img
src={user.image}
alt={user.name || user.email || "User avatar"}
style={{ width: "100%", height: "100%", objectFit: "cover" }}
/>
) : (
<span
style={{
fontSize: "0.65rem",
fontWeight: 700,
color: "#fff",
letterSpacing: "0.02em",
lineHeight: 1,
}}
>
{initials}
</span>
)}
</button>
{/* Dropdown Menu */}
{dropdownOpen && (
<div
role="menu"
aria-label="User menu"
style={{
position: "absolute",
top: "calc(100% + 8px)",
right: 0,
background: "var(--surface)",
border: "1px solid var(--border)",
borderRadius: 8,
padding: 6,
minWidth: 200,
boxShadow: "0 8px 32px rgba(0,0,0,0.3)",
zIndex: 200,
}}
>
{/* User info header */}
<div
style={{
padding: "8px 12px",
borderRadius: 6,
marginBottom: 2,
}}
>
<div
style={{
fontSize: "0.83rem",
fontWeight: 600,
color: "var(--text)",
overflow: "hidden",
textOverflow: "ellipsis",
whiteSpace: "nowrap",
}}
>
{user?.name ?? "User"}
</div>
{user?.email && (
<div
style={{
fontSize: "0.75rem",
color: "var(--muted)",
overflow: "hidden",
textOverflow: "ellipsis",
whiteSpace: "nowrap",
marginTop: 2,
}}
>
{user.email}
</div>
)}
</div>
{/* Divider */}
<div
aria-hidden="true"
style={{ height: 1, background: "var(--border)", margin: "4px 0" }}
/>
{/* Profile link */}
<DropdownItem
href="/profile"
onClick={() => {
setDropdownOpen(false);
}}
>
<svg
width="14"
height="14"
viewBox="0 0 16 16"
fill="none"
stroke="currentColor"
strokeWidth="1.5"
aria-hidden="true"
>
<circle cx="8" cy="5" r="3" />
<path d="M2 14c0-3.3 2.7-6 6-6s6 2.7 6 6" />
</svg>
Profile
</DropdownItem>
{/* Account Settings link */}
<DropdownItem
href="/settings"
onClick={() => {
setDropdownOpen(false);
}}
>
<svg
width="14"
height="14"
viewBox="0 0 16 16"
fill="none"
stroke="currentColor"
strokeWidth="1.5"
aria-hidden="true"
>
<circle cx="8" cy="8" r="2.5" />
<path d="M8 1v1.5M8 13.5V15M1 8h1.5M13.5 8H15M3.05 3.05l1.06 1.06M11.89 11.89l1.06 1.06M3.05 12.95l1.06-1.06M11.89 4.11l1.06-1.06" />
</svg>
Account Settings
</DropdownItem>
{/* Divider */}
<div
aria-hidden="true"
style={{ height: 1, background: "var(--border)", margin: "4px 0" }}
/>
{/* Sign Out */}
<button
role="menuitem"
onClick={() => {
setDropdownOpen(false);
void signOut();
}}
style={{
width: "100%",
display: "flex",
alignItems: "center",
gap: 8,
padding: "8px 12px",
borderRadius: 6,
fontSize: "0.83rem",
cursor: "pointer",
background: "none",
border: "none",
color: "var(--danger)",
textAlign: "left",
}}
onMouseEnter={(e) => {
(e.currentTarget as HTMLButtonElement).style.background = "var(--surface-2)";
}}
onMouseLeave={(e) => {
(e.currentTarget as HTMLButtonElement).style.background = "none";
}}
>
<svg
width="14"
height="14"
viewBox="0 0 16 16"
fill="none"
stroke="currentColor"
strokeWidth="1.5"
aria-hidden="true"
>
<path d="M6 2H3a1 1 0 0 0-1 1v10a1 1 0 0 0 1 1h3M10 11l4-4-4-4M14 8H6" />
</svg>
Sign Out
</button>
</div>
)}
</div>
</div>
</header>
);
}
// ---------------------------------------------------------------------------
// Sub-components
// ---------------------------------------------------------------------------
/** Terminal toggle button — visual only; no panel wired yet. */
function TerminalToggleButton(): React.JSX.Element {
const [hovered, setHovered] = useState(false);
return (
<button
title="Toggle terminal"
aria-label="Toggle terminal panel"
className="hidden lg:flex items-center"
style={{
gap: 6,
padding: "5px 10px",
borderRadius: 6,
background: "var(--surface)",
border: `1px solid ${hovered ? "var(--success)" : "var(--border)"}`,
fontSize: "0.75rem",
fontFamily: "var(--mono)",
color: hovered ? "var(--success)" : "var(--text-2)",
cursor: "pointer",
transition: "border-color 0.15s, color 0.15s",
flexShrink: 0,
}}
onMouseEnter={() => {
setHovered(true);
}}
onMouseLeave={() => {
setHovered(false);
}}
>
<svg
width="12"
height="12"
viewBox="0 0 16 16"
fill="none"
stroke="currentColor"
strokeWidth="1.5"
aria-hidden="true"
>
<rect x="1" y="2" width="14" height="12" rx="1.5" />
<path d="M4 6l3 3-3 3M9 12h3" />
</svg>
Terminal
</button>
);
}
interface DropdownItemProps {
href: string;
onClick: () => void;
children: React.ReactNode;
}
/** A navigation link styled as a dropdown menu item. */
function DropdownItem({ href, onClick, children }: DropdownItemProps): React.JSX.Element {
const [hovered, setHovered] = useState(false);
return (
<Link
href={href}
role="menuitem"
onClick={onClick}
style={{
display: "flex",
alignItems: "center",
gap: 8,
padding: "8px 12px",
borderRadius: 6,
fontSize: "0.83rem",
cursor: "pointer",
color: "var(--text-2)",
textDecoration: "none",
background: hovered ? "var(--surface-2)" : "none",
transition: "background 0.1s",
}}
onMouseEnter={() => {
setHovered(true);
}}
onMouseLeave={() => {
setHovered(false);
}}
>
{children}
</Link>
);
}