// ==UserScript==
// @name         Grepolis Data Sender (Deep Scan v4.8 — Fixed Town ID)
// @namespace    http://tampermonkey.net/
// @version      4.9
// @description  Sends town stats and merges marketplace offers into correct town (robust ID detection)
// @author       Dimitrios
// @match        https://*.grepolis.com/game/*
// @grant        unsafeWindow
// @updateURL    https://git.haunter-pets.top/haunter/grepodata/raw/branch/main/Grepolis_Data_Sender.user.js
// @downloadURL  https://git.haunter-pets.top/haunter/grepodata/raw/branch/main/Grepolis_Data_Sender.user.js
// ==/UserScript==

(function () {
    'use strict';

    console.log("🧠 DeepScan v4.9 initialized...");

    const uw = typeof unsafeWindow !== "undefined" ? unsafeWindow : window;
    let latestBasicPayload = null;

    // 🔄 Send town snapshot and cache
    function sendBasicStats() {
        try {
            const towns = uw.ITowns?.towns || {};
            const player = uw.Game?.player_name || "unknown";
            const player_id = uw.Game?.player_id || "unknown";

            const stats = Object.values(towns).map(town => {
                const res = town.resources();
                const buildings = town.buildings()?.attributes ?? {};
                const marketLevel = typeof town.getMarketplaceLevel === "function"
                    ? town.getMarketplaceLevel()
                    : buildings.market || null;

                return {
                    town_id: town.id,
                    town_name: town.name,
                    wood: res.wood,
                    stone: res.stone,
                    iron: res.iron,
                    population: res.population,
                    points: town.getPoints(),
                    buildings,
                    market: { level: marketLevel }
                };
            });

            latestBasicPayload = {
                type: "basic",
                timestamp: new Date().toISOString(),
                player,
                player_id,
                towns: stats
            };

            fetch("https://grepo.haunter-pets.top/api/grepolis-data", {
                method: "POST",
                headers: { "Content-Type": "application/json" },
                body: JSON.stringify(latestBasicPayload)
            })
            .then(res => res.text())
            .then(txt => console.log("✅ Basic stats sent:", txt))
            .catch(err => console.error("❌ Failed to send basic stats:", err));
        } catch (e) {
            console.error("💥 Error collecting basic stats:", e);
        }
    }

    // 📄 Parse marketplace trade offers
    function parseMarketOffers() {
        const rows = document.querySelectorAll(".js-tutorial-market-offers-table tbody tr");
        const offers = [];

        rows.forEach(row => {
            const cells = row.querySelectorAll("td");
            if (cells.length < 10) return;

            const extractType = (td) => {
                const icon = td.querySelector("span");
                if (!icon) return "";
                if (icon.classList.contains("market_wood_icon")) return "wood";
                if (icon.classList.contains("market_stone_icon")) return "stone";
                if (icon.classList.contains("market_iron_icon")) return "iron";
                return "";
            };

            offers.push({
                offer_id: row.dataset.offerId || null,
                give_type: extractType(cells[0]),
                give_amount: cells[1]?.textContent.trim() || "",
                get_amount: cells[4]?.textContent.trim() || "",
                get_type: extractType(cells[5]),
                duration: cells[7]?.textContent.trim() || "",
                player: cells[8]?.querySelector(".gp_player_link")?.textContent.trim() || "unknown"
            });
        });

        return offers;
    }

    // 🧬 Merge trades into correct town object
    function sendMergedMarketStats() {
        try {
            const offers = parseMarketOffers();
            if (offers.length === 0) {
                console.warn("⚠️ No marketplace offers detected");
                return;
            }

            const townId =
                uw.Game?.townId ||
                uw.ITowns?.getCurrentTown()?.id ||
                uw.current_town_id ||
                "unknown";

            console.log("🏙️ Active Town ID:", townId);
            console.log("📋 Available Town IDs:", latestBasicPayload?.towns?.map(t => t.town_id));

            if (!latestBasicPayload || !latestBasicPayload.towns) {
                console.warn("🚫 Basic stats not yet initialized");
                return;
            }

            const town = latestBasicPayload.towns.find(t => String(t.town_id) === String(townId));
            if (!town) {
                console.warn(`🧭 No matching town found for ID ${townId}`);
                return;
            }

            town.market.offers = offers;
            latestBasicPayload.timestamp = new Date().toISOString();

            fetch("https://grepo.haunter-pets.top/api/grepolis-data", {
                method: "POST",
                headers: { "Content-Type": "application/json" },
                body: JSON.stringify(latestBasicPayload)
            })
            .then(res => res.text())
            .then(txt => console.log("✅ Merged trades sent:", txt))
            .catch(err => console.error("❌ Failed to send merged data:", err));
        } catch (err) {
            console.error("💥 Error during marketplace merge:", err);
        }
    }

    // 👁️ Watch for marketplace panel opening
    function monitorMarketplace() {
        const observer = new MutationObserver(() => {
            const panel = document.querySelector('.marketplace.all_offers');
            if (panel && panel.offsetParent !== null) {
                console.log("👁️ Marketplace opened — merging trades");
                observer.disconnect();
                sendMergedMarketStats();
                setInterval(sendMergedMarketStats, 30000);
            }
        });

        observer.observe(document.body, { childList: true, subtree: true });
    }

    // 🕓 Start script after town data is ready
    function waitForTowns() {
        const towns = uw.ITowns?.towns;
        if (towns && Object.keys(towns).length > 0) {
            console.log("🧭 Towns ready — starting DeepScan");
            sendBasicStats();
            setInterval(sendBasicStats, 30000);
            monitorMarketplace();
        } else {
            console.log("⏳ Waiting for town data...");
            setTimeout(waitForTowns, 1000);
        }
    }

    window.addEventListener("load", () => {
        console.log("🚀 Game page loaded — DeepScan v4.8 booting...");
        waitForTowns();
    });
})();