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import type { Update } from "@tauri-apps/plugin-updater";
import { refreshProvider, refreshEpg } from "@/lib/tauri";
import {
loadProviderSettings,
getEpgLastRefresh,
setEpgLastRefresh,
useChannels,
} from "@/hooks/useChannels";
import { parseDateMs } from "@/lib/date";
import type { UpdateState } from "@/hooks/useUpdateChecker";
export type StepStatus = "pending" | "active" | "done" | "error";
export interface SplashStep {
id: string;
label: string;
status: StepStatus;
}
export interface SplashScreenState {
steps: SplashStep[];
allDone: boolean;
progress: number;
update: Update | null;
dismissed: boolean;
hasProviders: boolean;
dismiss: () => void;
}
const SESSION_KEY = "splash-shown";
interface UseSplashScreenOptions {
updateState: UpdateState;
onComplete?: (didRefreshProviders: boolean) => void;
}
export const useSplashScreen = (options: UseSplashScreenOptions): SplashScreenState => {
const { updateState, onComplete } = options;
const onCompleteRef = useRef(onComplete);
useEffect(() => {
onCompleteRef.current = onComplete;
}, [onComplete]);
const alreadyShownRef = useRef(sessionStorage.getItem(SESSION_KEY) === "true");
// Consume providers from ChannelsContext (already loaded on mount — no extra Tauri calls)
const { providers, initialized } = useChannels();
// Initialize all 4 steps immediately so they're visible from the first render
const [steps, setSteps] = useState<SplashStep[]>(() => {
if (alreadyShownRef.current) return [];
return [
{ id: "providers", label: "Loading providers & channels", status: "active" },
{ id: "playlists", label: "Checking playlists…", status: "pending" },
{ id: "epg", label: "Checking EPG…", status: "pending" },
{ id: "updates", label: "Checking for updates", status: "pending" },
];
});
const [allDone, setAllDone] = useState(alreadyShownRef.current);
const [dismissed, setDismissed] = useState(alreadyShownRef.current);
const [hasProviders, setHasProviders] = useState(false);
const dismiss = useCallback(() => {
sessionStorage.setItem(SESSION_KEY, "true");
setDismissed(true);
}, []);
// Run once ChannelsContext has finished its initial provider fetch
useEffect(() => {
if (alreadyShownRef.current || !initialized) return;
let cancelled = false;
const setStepStatus = (id: string, status: StepStatus, label?: string) => {
setSteps((prev) =>
prev.map((s) => (s.id === id ? { ...s, status, ...(label ? { label } : {}) } : s))
);
};
const run = async () => {
const hasAnyProviders = providers.length > 0;
setHasProviders(hasAnyProviders);
// Step 1 complete — providers came from ChannelsContext, no extra fetch needed
setStepStatus("providers", "done", "Providers & channels loaded");
// Determine which providers need refresh
const now = Date.now();
const providerRefreshIds: string[] = [];
const epgRefreshIds: string[] = [];
for (const p of providers) {
const {
autoRefresh,
refreshIntervalHours,
epgAutoRefresh,
epgRefreshIntervalHours,
} = loadProviderSettings(p.id);
if (autoRefresh) {
const lastMs = parseDateMs(p.lastUpdated);
if (now - lastMs >= refreshIntervalHours * 60 * 60 * 1000) {
providerRefreshIds.push(p.id);
}
}
if (epgAutoRefresh && p.epgUrl) {
const lastMs = getEpgLastRefresh(p.id);
if (now - lastMs >= epgRefreshIntervalHours * 60 * 60 * 1000) {
epgRefreshIds.push(p.id);
}
}
}
const didRefreshProviders = providerRefreshIds.length > 0;
// Step 2: Refresh playlists (always shown; mark done immediately if nothing to do)
setStepStatus("playlists", "active", "Refreshing playlists…");
if (didRefreshProviders) {
await Promise.allSettled(providerRefreshIds.map((id) => refreshProvider(id)));
if (cancelled) return;
setStepStatus("playlists", "done", "Playlists refreshed");
} else {
setStepStatus(
"playlists",
"done",
hasAnyProviders ? "Playlists up to date" : "No playlists configured"
);
}
// Step 3: Refresh EPG (always shown; mark done immediately if nothing to do)
setStepStatus("epg", "active", "Checking EPG…");
if (epgRefreshIds.length > 0) {
await Promise.allSettled(
epgRefreshIds.map((id) =>
refreshEpg(id)
.then(() => setEpgLastRefresh(id))
.catch(() => {})
)
);
if (cancelled) return;
setStepStatus("epg", "done", "EPG refreshed");
} else {
setStepStatus(
"epg",
"done",
hasAnyProviders ? "EPG up to date" : "No EPG configured"
);
}
// Step 4: Check for updates via the shared hook.
// checkForUpdates() joins the in-flight promise if the mount check is
// still running, so only one actual check() call happens.
// Timeout after 10s so the splash never gets stuck.
setStepStatus("updates", "active");
let foundUpdate: Update | null = null;
try {
foundUpdate = await Promise.race([
updateState.checkForUpdates(),
new Promise<null>((_, reject) =>
setTimeout(() => reject(new Error("Update check timed out")), 7_000)
),
]);
} catch {
if (cancelled) return;
setStepStatus("updates", "error", "Unable to check for updates");
setAllDone(true);
onCompleteRef.current?.(didRefreshProviders);
return;
}
if (cancelled) return;
if (foundUpdate) {
setStepStatus("updates", "done", `Update available — v${foundUpdate.version}`);
} else {
setStepStatus("updates", "done", "Up to date");
}
setAllDone(true);
onCompleteRef.current?.(didRefreshProviders);
};
run();
return () => {
cancelled = true;
};
}, [initialized]); // eslint-disable-line react-hooks/exhaustive-deps
const progress =
steps.length === 0
? 0
: steps.filter((s) => s.status === "done" || s.status === "error").length /
steps.length;
return {
steps,
allDone,
progress,
update: updateState.update,
dismissed,
hasProviders,
dismiss,
};
};
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