import express from "express";
import fetch from "node-fetch";
import bcrypt from "bcryptjs";
import { User } from "../models/User.js";
import { requireAuth } from "../middleware/auth.js";

const router = express.Router();

// GET /api/profiles/me
router.get("/me", requireAuth, async (req, res) => {
  const user = await User.findById(req.user.id).select("-password -__v");
  if (!user) return res.status(404).json({ error: "User not found" });
  res.json({
    email: user.email,
    role: user.role,
    profile: user.profile,
  });
});

// NEW: GET any profile by its ID
router.get("/:id", async (req, res) => {
  try {
    const user = await User.findById(req.params.id).select("-password -__v");
    if (!user) return res.status(404).json({ error: "Profile not found" });
    return res.json({
      email: user.email,
      role: user.role,
      profile: user.profile,
    });
  } catch (err) {
    return res.status(500).json({ error: err.message });
  }
});

// POST /api/profiles  (create or update profile)
//  – normal user: only name/address/password
//  – pro user: full profile (field, rate, address, lat, lon, published)
router.post("/", requireAuth, async (req, res) => {
  try {
    const user = await User.findById(req.user.id);

    if (req.user.role === "pro") {
      const {
        firstName,
        lastName,
        phone,
        field,
        rate,
        address,
        description,
        picture,
        published,
      } = req.body;

      // pure publish toggle?
      if (
        req.body.hasOwnProperty("published") &&
        Object.keys(req.body).length === 1
      ) {
        // disallow publishing unless all fields are set
        if (published) {
          const pf = (await User.findById(req.user.id)).profile;
          if (
            !pf.firstName ||
            !pf.lastName ||
            !pf.phone ||
            !pf.field ||
            pf.rate == null ||
            !pf.address ||
            !pf.description || // ← require description
            !pf.picture // ← require picture
          ) {
            return res.status(400).json({
              error:
                "Complete firstName, lastName, phone, field, rate, address, description & picture before publishing.",
            });
          }
        }
        user.profile.published = !!published;
        await user.save();
        return res.json({ success: true });
      }

      // full update → geocode + persist all fields
      const geoRes = await fetch(
        `https://maps.googleapis.com/maps/api/geocode/json` +
          `?address=${encodeURIComponent(address)}` +
          `&key=${process.env.GOOGLE_PLACES_API_KEY}`
      );
      const geoData = await geoRes.json();
      console.log(
        "🗺️  geoData.results:",
        JSON.stringify(geoData.results, null, 2)
      );
      if (geoData.status !== "OK" || !geoData.results.length) {
        return res.status(400).json({ error: "Invalid address" });
      }

      // prefer a true city‐level result, then region, then country, then anything
      const place =
        geoData.results.find((r) => r.types.includes("locality")) ||
        geoData.results.find((r) =>
          r.types.includes("administrative_area_level_2")
        ) ||
        geoData.results.find((r) =>
          r.types.includes("administrative_area_level_1")
        ) ||
        geoData.results[0];

      const { lat, lng } = place.geometry.location;

      // first try the locality component
      const cityComp = place.address_components.find((c) =>
        c.types.includes("locality")
      );
      let rawCity;
      if (cityComp) {
        rawCity = cityComp.long_name;
      } else {
        // use the penultimate segment of formatted_address, e.g.
        // ["Hlavná","Old Town","Košice","Slovakia"] → "Košice"
        const parts = (place.formatted_address || "")
          .split(",")
          .map((s) => s.trim());
        rawCity = parts.length > 1 ? parts[parts.length - 2] : parts[0];
      }

      // normalize: strip accents + lowercase
      const city = rawCity
        .normalize("NFD")
        .replace(/[\u0300-\u036f]/g, "")
        .toLowerCase();

      // now persist everything
      user.profile.firstName = firstName;
      user.profile.lastName = lastName;
      user.profile.phone = phone;
      user.profile.field = field;
      user.profile.rate = rate;
      user.profile.address = address;
      user.profile.description = description; // ← save description
      user.profile.picture = picture; // ← save picture
      user.profile.city = city;
      user.profile.location = {
        type: "Point",
        coordinates: [lng, lat],
      };
      user.profile.published = !!published;
    } else {
      // ─── Normal user profile update ──────────────────────────────────────
      // Allow them to save firstName, lastName, phone, and (optionally) password
      const { firstName, lastName, phone, password } = req.body;
      const u = await User.findById(req.user.id);
      if (!u) return res.status(404).json({ error: "User not found" });

      if (firstName !== undefined) u.profile.firstName = firstName;
      if (lastName !== undefined) u.profile.lastName = lastName;
      if (phone !== undefined) u.profile.phone = phone;
      // if they submitted a new password, hash + save it
      if (password) {
        u.password = await bcrypt.hash(password, 10);
      }

      await u.save();
      return res.json({ success: true, profile: u.profile });
    }

    await user.save();
    res.json({ success: true });
  } catch (err) {
    res.status(500).json({ error: err.message });
  }
});

// DELETE /api/profiles/me  → unpublish pro or delete normal account
router.delete("/me", requireAuth, async (req, res) => {
  try {
    // Delete the entire user account
    await User.findByIdAndDelete(req.user.id);
    return res.json({ success: true });
  } catch (err) {
    res.status(500).json({ error: err.message });
  }
});

export default router;