upatde: load dialogue en fonction du language

src/utils/dialogues/loadDialogueManifest.ts

@@ -5,10 +5,18 @@ import type {
 } from "@/types/dialogues/dialogues";
 import type { SubtitleLanguage } from "@/managers/stores/useSettingsStore";
 import { parseDialogueManifest } from "@/utils/dialogues/dialogueManifestValidation";
+import { parseSrt } from "@/utils/subtitles/parseSrt";
+import type { SubtitleCue } from "@/utils/subtitles/parseSrt";
 
 const DIALOGUE_MANIFEST_PATH = "/sounds/dialogue/dialogues.json";
 const DEFAULT_SUBTITLE_LANGUAGE: SubtitleLanguage = "fr";
 
+export interface DialogueSubtitleCue {
+  voice: DialogueVoice;
+  cue: SubtitleCue;
+  subtitlePath: string;
+}
+
 export async function loadDialogueManifest(): Promise<DialogueManifest | null> {
   const response = await fetch(DIALOGUE_MANIFEST_PATH);
 
@@ -37,6 +45,65 @@ export function getDialogueVoice(
   return manifest.voices.find((voice) => voice.id === voiceId) ?? null;
 }
 
+export async function loadDialogueSubtitleCue(
+  manifest: DialogueManifest,
+  dialogue: DialogueDefinition,
+  language: SubtitleLanguage,
+): Promise<DialogueSubtitleCue | null> {
+  const voice = getDialogueVoice(manifest, dialogue.voice);
+  if (!voice) return null;
+
+  const subtitles = await loadVoiceSubtitleCues(voice, language);
+  if (!subtitles) return null;
+
+  const cue = subtitles.cues.find(
+    (item) => item.index === dialogue.subtitleCueIndex,
+  );
+
+  if (!cue) return null;
+
+  return {
+    voice,
+    cue,
+    subtitlePath: subtitles.path,
+  };
+}
+
+export async function loadVoiceSubtitleCues(
+  voice: DialogueVoice,
+  language: SubtitleLanguage,
+): Promise<{ path: string; cues: SubtitleCue[] } | null> {
+  const paths = getVoiceSubtitlePaths(voice, language);
+
+  for (const path of paths) {
+    const srtContent = await loadSrtContent(path);
+    if (srtContent !== null) {
+      return { path, cues: parseSrt(srtContent) };
+    }
+  }
+
+  return null;
+}
+
+async function loadSrtContent(path: string): Promise<string | null> {
+  const response = await fetch(path);
+
+  if (!response.ok) {
+    return null;
+  }
+
+  return response.text();
+}
+
+function getVoiceSubtitlePaths(
+  voice: DialogueVoice,
+  language: SubtitleLanguage,
+): string[] {
+  return [voice.subtitles[language], voice.subtitles[DEFAULT_SUBTITLE_LANGUAGE]]
+    .filter((path): path is string => Boolean(path))
+    .filter((path, index, paths) => paths.indexOf(path) === index);
+}
+
 function getVoiceSubtitlePath(
   voice: DialogueVoice,
   language: SubtitleLanguage,