import { HttpError } from "@sttracker/plugin-sdk/http";
import { definePlugin } from "@sttracker/plugin-sdk/types";
import { BASE, clientCreds, post, toCredentials, type TokenResponse } from "./src/api.ts";
import { searchHint } from "./src/map.ts";
import { pull, pullChanges } from "./src/sync.ts";

interface DeviceCode { device_code: string; user_code: string; verification_url: string; expires_in: number; interval: number }

export default definePlugin({
  manifest: {
    id: "trakt",
    name: "Trakt",
    version: "0.1.0",
    sdkVersion: 1,
    rateLimit: { perMinute: 100 },
    mediaTypes: ["movie", "show", "season", "episode"],
    capabilities: ["pull", "pullChanges", "lookup"],
    config: [
      { key: "clientId", label: "Client ID", type: "string", required: true },
      { key: "clientSecret", label: "Client secret", type: "secret", required: true },
    ],
    attribution: "STTracker uses Trakt but is not endorsed or certified by Trakt.",
  },
  deviceAuth: {
    async start(ctx) {
      const { clientId } = clientCreds(ctx);
      const d = await post<DeviceCode>(ctx, "/oauth/device/code", { client_id: clientId });
      return { userCode: d.user_code, verificationUrl: d.verification_url, deviceCode: d.device_code, intervalSec: d.interval, expiresInSec: d.expires_in };
    },
    async poll(ctx, deviceCode) {
      const { clientId, clientSecret } = clientCreds(ctx);
      try {
        const t = await post<TokenResponse>(ctx, "/oauth/device/token", { code: deviceCode, client_id: clientId, client_secret: clientSecret });
        return toCredentials(t, ctx.now());
      } catch (e) {
        // 400 = pending, 429 = polling too fast; anything else (404/409/410/418) is terminal.
        if (e instanceof HttpError && (e.status === 400 || e.status === 429)) return "pending";
        throw e;
      }
    },
  },
  pull,
  pullChanges,
  async lookup(ctx, q) {
    const { clientId } = clientCreds(ctx);
    const type = q.mediaType === "movie" || q.mediaType === "show" ? q.mediaType : "movie,show";
    const res = await ctx.http.json<Parameters<typeof searchHint>[0][]>(`${BASE}/search/${type}`, {
      headers: { "trakt-api-version": "2", "trakt-api-key": clientId },
      query: { query: q.title, years: q.year },
    });
    return res.flatMap((r) => {
      const h = searchHint(r);
      return h ? [h] : [];
    });
  },
});