import KoaRouter from "@koa/router";
import type { BackendDbInterface } from "../db/types/DbInterface.js";
import { convertError } from "./middleware/convertError.js";
import { jsonBody } from "./middleware/jsonBody.js";
import {
  createabode,
  createapikey,
  createnote,
  createresident,
  createuser,
  loginuser,
  updateabode,
  updateresident,
  updatenote,
  updateuser,
} from "../schema/validators.js";
import { authenticate } from "./middleware/authenticate.js";
import { InvalidAbodeError, NotFoundAbodeError } from "../db/types/errors.js";

export function apirouter(db: BackendDbInterface): KoaRouter {
  const router = new KoaRouter();

  router.use(convertError);
  router.post("/auth/login", jsonBody({ validate: loginuser }), async (ctx) => {
    const user = await db.getUserByLogin(ctx.request.body);
    const token = await db.createSession(user.uid);
    ctx.cookies.set("abode_session", token);
    ctx.body = user;
  });
  router.post("/auth/logout", authenticate(db), async (ctx) => {
    if (ctx.session!.source !== "session") throw new InvalidAbodeError();
    ctx.cookies.set("abode_session", "", { expires: new Date("1970-01-01") });
    ctx.status = 204;
  });
  router.get("/auth/self", authenticate(db), async (ctx) => {
    ctx.body = ctx.user!;
  });
  router.post("/auth/clear-sessions", authenticate(db), async (ctx) => {
    await db.deleteSessionsByUser(ctx.user!.uid);
    ctx.status = 204;
  });

  router.use("/users", authenticate(db));
  router.get("/users", async (ctx) => {
    ctx.body = await db.listUsers();
  });
  router.post("/users", jsonBody({ validate: createuser }), async (ctx) => {
    ctx.body = await db.createUser(ctx.request.body);
  });
  router.get("/users/by-email", async (ctx) => {
    if (typeof ctx.query.email !== "string") throw new InvalidAbodeError();
    ctx.body = await db.getUserByEmail(ctx.query.email);
  });
  router.get("/users/:uid", async (ctx) => {
    ctx.body = await db.getUserById(ctx.params.uid);
  });
  router.patch(
    "/users/:uid",
    jsonBody({ validate: updateuser, includeParams: ["uid"] }),
    async (ctx) => {
      ctx.body = await db.updateUser(ctx.request.body);
    }
  );
  router.delete("/users/:uid", async (ctx) => {
    await db.deleteUserById(ctx.params.uid);
    ctx.status = 204;
  });
  router.get("/users/:uid/residents", async (ctx) => {
    ctx.body = await db.listResidentsByUserId(ctx.params.uid);
  });
  router.get("/users/:uid/abodes", async (ctx) => {
    ctx.body = await db.listAbodesByUserId(ctx.params.uid);
  });
  router.get("/users/:uid/apikeys", async (ctx) => {
    ctx.body = await db.listApikeysByUser(ctx.params.uid);
  });
  router.post(
    "/users/:uid/apikeys",
    jsonBody({ validate: createapikey, includeParams: ["uid"] }),
    async (ctx) => {
      const [apikey, token] = await db.createApikey(ctx.request.body);
      ctx.body = { apikey, token };
    }
  );
  router.get("/users/:uid/apikeys/:kid", async (ctx) => {
    const apikey = await db.getApikeyById(ctx.params.kid);
    if (apikey.uid !== ctx.params.uid) throw new NotFoundAbodeError();
    ctx.body = apikey;
  });
  router.delete("/users/:uid/apikeys/:kid", async (ctx) => {
    const apikey = await db.getApikeyById(ctx.params.kid);
    if (apikey.uid !== ctx.params.uid) throw new NotFoundAbodeError();
    await db.deleteApikeyById(ctx.params.kid);
    ctx.status = 204;
  });
  router.post("/users/:uid/auth/clear-sessions", async (ctx) => {
    await db.deleteSessionsByUser(ctx.params.uid);
    ctx.status = 204;
  });
  router.get("/users/:uid/notes", async (ctx) => {
    ctx.body = await db.listNotesByUserId(ctx.params.uid);
  });

  router.use("/abodes", authenticate(db));
  router.get("/abodes", async (ctx) => {
    ctx.body = await db.listAbodes();
  });
  router.post("/abodes", jsonBody({ validate: createabode }), async (ctx) => {
    ctx.body = await db.createAbode(ctx.request.body, { uid: ctx.user!.uid });
  });
  router.get("/abodes/:aid", async (ctx) => {
    ctx.body = await db.getAbodeById(ctx.params.aid);
  });
  router.patch(
    "/abodes/:aid",
    jsonBody({ validate: updateabode, includeParams: ["aid"] }),
    async (ctx) => {
      ctx.body = await db.updateAbode(ctx.request.body, { uid: ctx.user!.uid });
    }
  );
  router.delete("/abodes/:aid", async (ctx) => {
    await db.deleteAbodeById(ctx.params.aid);
    ctx.status = 204;
  });
  router.get("/abodes/:aid/residents", async (ctx) => {
    ctx.body = await db.listResidentsByAbodeId(ctx.params.aid);
  });
  router.get("/abodes/:aid/users", async (ctx) => {
    ctx.body = await db.listUsersByAbodeId(ctx.params.aid);
  });
  router.get("/abodes/:aid/notes", async (ctx) => {
    ctx.body = await db.listNotesByAbodeId(ctx.params.aid);
  });
  router.post(
    "/abodes/:aid/notes",
    jsonBody({ validate: createnote, includeParams: ["aid"] }),
    async (ctx) => {
      ctx.body = await db.createNote(ctx.request.body, { uid: ctx.user!.uid });
    }
  );

  router.use("/residents", authenticate(db));
  router.get("/residents", async (ctx) => {
    ctx.body = await db.listResidents();
  });
  router.post(
    "/residents",
    jsonBody({ validate: createresident }),
    async (ctx) => {
      ctx.body = await db.createResident(ctx.request.body, {
        uid: ctx.user!.uid,
      });
    }
  );
  router.get("/residents/:uid/:aid", async (ctx) => {
    ctx.body = await db.getResidentById(ctx.params.uid, ctx.params.aid);
  });
  router.patch(
    "/residents/:uid/:aid",
    jsonBody({ validate: updateresident, includeParams: ["uid", "aid"] }),
    async (ctx) => {
      ctx.body = await db.updateResident(ctx.request.body, {
        uid: ctx.user!.uid,
      });
    }
  );
  router.delete("/residents/:uid/:aid", async (ctx) => {
    await db.deleteResidentById(ctx.params.uid, ctx.params.aid);
    ctx.status = 204;
  });

  router.use("/apikeys", authenticate(db));
  router.get("/apikeys/:kid", async (ctx) => {
    ctx.body = await db.getApikeyById(ctx.params.kid);
  });
  router.delete("/apikeys/:kid", async (ctx) => {
    await db.deleteApikeyById(ctx.params.kid);
    ctx.status = 204;
  });

  router.use("/notes", authenticate(db));
  router.get("/notes", async (ctx) => {
    ctx.body = await db.listNotes();
  });
  router.get("/notes/:nid", async (ctx) => {
    ctx.body = await db.getNoteById(ctx.params.nid);
  });
  router.patch(
    "/notes/:nid",
    jsonBody({ validate: updatenote, includeParams: ["nid"] }),
    async (ctx) => {
      ctx.body = await db.updateNote(ctx.request.body, { uid: ctx.user!.uid });
    }
  );
  router.delete("/notes/:nid", async (ctx) => {
    await db.deleteNoteById(ctx.params.nid);
    ctx.status = 204;
  });

  return router;
}