Files
mal/static/player/episodes/nav.ts

129 lines
4.9 KiB
TypeScript

import { state } from "../state";
import type { SkipSegment } from "../types";
import { resolveActiveSegments, renderSegments } from "../skip/segments";
import { updateSubtitleOptions } from "../subtitles";
import { updateQualityOptions } from "../quality";
import { updateModeButtons } from "../mode";
import { updateOverlay, isAutoplayEnabled, switchEpisodeRange } from "./ui";
import { markEpisodeTransition } from "../progress";
import { safeLocalStorage } from "../storage";
/**
* Handles video end: either marks complete or loads next episode.
* Fetches episode data from API, updates player state and URL.
*/
export const goToNextEpisode = async (): Promise<void> => {
const currentEp = Number.parseInt(state.currentEpisode, 10);
if (!currentEp) return;
// final episode: trigger completion flow
if (state.totalEpisodes > 0 && currentEp >= state.totalEpisodes) {
import("./complete").then((m) => m.completeAnime(currentEp));
return;
}
// skip if autoplay disabled
if (!isAutoplayEnabled()) return;
const nextEp = currentEp + 1;
markEpisodeTransition(nextEp);
try {
const res = await fetch(
`/api/watch/episode/${state.malID}/${nextEp}?mode=${encodeURIComponent(state.currentMode)}`,
);
if (!res.ok) {
// fallback: full page navigation
sessionStorage.setItem("mal:autoplay-next", "true");
const url = new URL(window.location.href);
url.searchParams.set("ep", String(nextEp));
window.location.href = url.toString();
return;
}
const data = await res.json();
// update state with new episode data
state.modeSources = data.mode_sources ?? {};
state.availableModes = data.available_modes ?? [];
const backendMode = typeof data.initial_mode === "string" ? data.initial_mode : "";
const fallback = state.modeSources[backendMode]?.token
? backendMode
: state.availableModes.find((m) => state.modeSources[m]?.token);
if (!fallback) {
sessionStorage.setItem("mal:autoplay-next", "true");
const url = new URL(window.location.href);
url.searchParams.set("ep", String(nextEp));
window.location.href = url.toString();
return;
}
state.currentEpisode = String(nextEp);
state.currentMode = fallback;
if (data.mode_switched_from === "dub" && fallback === "sub") {
window.showToast?.({
message: `Episode ${nextEp} is only available in sub, switched from dub.`,
});
}
// The progress reset is sent asynchronously, so do not trust the fetch to observe it first.
state.startTimeSeconds = 0;
state.container.dataset.currentEpisode = state.currentEpisode;
state.container.dataset.startTimeSeconds = String(state.startTimeSeconds);
// load new video (keep preferences)
const preferredQuality = safeLocalStorage.getItem("mal:preferred-quality") || "best";
state.video.src = `${state.streamURL}?mode=${encodeURIComponent(fallback)}&token=${encodeURIComponent(state.modeSources[fallback].token)}${preferredQuality !== "best" ? `&quality=${encodeURIComponent(preferredQuality)}` : ""}`;
state.video.load();
if (!state.video.paused) {
state.video.play().catch(() => undefined);
}
state.pendingSeekTime = null;
state.completionSent = false;
state.completionAttempts = 0;
state.activeSubtitles = [];
// update UI
updateSubtitleOptions();
updateQualityOptions();
updateModeButtons();
updateOverlay(state.currentEpisode, data.episode_title ?? "");
// update skip segments
if (data.segments?.length) {
state.parsedSegments = data.segments
.map((s: SkipSegment) => ({ ...s, start: Number(s.start) || 0, end: Number(s.end) || 0 }))
.filter((s: SkipSegment) => s.end > s.start);
resolveActiveSegments();
renderSegments();
}
// highlight new episode in list/grid
state.episodeList
?.querySelectorAll("[data-episode-id]")
.forEach((el) => el.classList.remove("bg-accent/20"));
const newListEl = state.episodeList?.querySelector(`[data-episode-id="${nextEp}"]`);
newListEl?.classList.add("bg-accent/20");
if (state.episodeGrid) {
state.episodeGrid.querySelectorAll("[data-episode-id]").forEach((el) => {
el.classList.remove("bg-accent/20", "ring-2", "ring-accent", "text-accent");
});
switchEpisodeRange(Math.floor((nextEp - 1) / 100));
const newGridEl = state.episodeGrid.querySelector(`[data-episode-id="${nextEp}"]`);
newGridEl?.classList.add("bg-accent/20", "ring-2", "ring-accent", "text-accent");
}
// update URL without reload
const url = new URL(window.location.href);
url.searchParams.set("ep", String(nextEp));
history.pushState(null, "", url.toString());
} catch {
sessionStorage.setItem("mal:autoplay-next", "true");
const url = new URL(window.location.href);
url.searchParams.set("ep", String(nextEp));
window.location.href = url.toString();
}
};