feat: add Consumet as provider for stream URL

Summary:

Test Plan:

src/controllers/episodes/getEpisodeUrl/index.ts

@@ -1,5 +1,6 @@
 import { OpenAPIHono, createRoute, z } from "@hono/zod-openapi";
 
+import { readEnvVariable } from "~/libs/readEnvVariable";
 import type { Env } from "~/types/env";
 import {
   ErrorResponse,
@@ -7,7 +8,6 @@ import {
   SuccessResponseSchema,
 } from "~/types/schema";
 
-import { getSourcesFromAnify } from "./anify";
 import { FetchUrlResponse as FetchUrlResponseSchema } from "./responseType";
 
 const FetchUrlRequest = z.object({ id: z.string(), provider: z.string() });
@@ -38,6 +38,14 @@ const route = createRoute({
       },
       description: "Returns a stream URL",
     },
+    400: {
+      content: {
+        "application/json": {
+          schema: ErrorResponseSchema,
+        },
+      },
+      description: "Unknown provider",
+    },
     404: {
       content: {
         "application/json": {
@@ -63,9 +71,32 @@ app.openapi(route, async (c) => {
   const aniListId = Number(c.req.param("aniListId"));
   const { provider, id } = await c.req.json<typeof FetchUrlRequest._type>();
 
+  const isAnifyEnabled = readEnvVariable(c.env, "ENABLE_ANIFY");
+  if (provider === "consumet" || !isAnifyEnabled) {
+    try {
+      const result = await import("./consumet").then(
+        ({ getSourcesFromConsumet }) => getSourcesFromConsumet(id),
+      );
+      if (!result) {
+        return c.json({ success: false }, { status: 404 });
+      }
+
+      return c.json({
+        success: true,
+        result,
+      });
+    } catch (e) {
+      console.error("Failed to fetch download URL from Consumet", e);
+
+      return c.json(ErrorResponse, { status: 500 });
+    }
+  }
+
   if (provider === "anify") {
     try {
-      const result = await getSourcesFromAnify(provider, id, aniListId);
+      const result = await import("./anify").then(({ getSourcesFromAnify }) =>
+        getSourcesFromAnify(provider, id, aniListId),
+      );
       if (!result) {
         return c.json({ success: false }, { status: 404 });
       }
@@ -80,6 +111,8 @@ app.openapi(route, async (c) => {
       return c.json(ErrorResponse, { status: 500 });
     }
   }
+
+  return c.json(ErrorResponse, { status: 400 });
 });
 
 export default app;