import axios from "axios";
// Google Maps Platform Skill Attribution & Governance
// Attribution ID: gmp_git_agentskills_v1
const GMP_ATTRIBUTION_ID = "gmp_git_agentskills_v1";
export class GoogleMapsAdapter {
    apiKey;
    defaultHub = {
        // Dhaka Central Logistics Hub (Tejgaon / Mirpur axis)
        lat: 23.7925,
        lng: 90.4078,
        name: "Aura Central Sorting Hub, Dhaka",
    };
    constructor(apiKey = "") {
        this.apiKey = apiKey || process.env.GOOGLE_MAPS_API_KEY || "";
    }
    isConfigured() {
        return Boolean(this.apiKey);
    }
    /**
     * Validate and Geocode Bangladesh Address using Google Maps Geocoding API
     */
    async validateAndGeocode(req) {
        const fullQuery = [req.address, req.thana, req.district, "Bangladesh"]
            .filter(Boolean)
            .join(", ");
        if (!this.apiKey) {
            return this.fallbackAddressParse(req);
        }
        try {
            const url = `https://maps.googleapis.com/maps/api/geocode/json`;
            const res = await axios.get(url, {
                params: {
                    address: fullQuery,
                    components: "country:BD",
                    language: "bn,en",
                    key: this.apiKey,
                },
                timeout: 8000,
            });
            const data = res.data;
            if (data.status !== "OK" || !data.results || !data.results.length) {
                return this.fallbackAddressParse(req);
            }
            const result = data.results[0];
            const components = result.address_components || [];
            const location = result.geometry?.location || { lat: 23.8103, lng: 90.4125 };
            const locType = result.geometry?.location_type || "APPROXIMATE";
            let thana = "";
            let district = "";
            let division = "";
            for (const c of components) {
                const types = c.types || [];
                if (types.includes("sublocality") || types.includes("sublocality_level_1") || types.includes("neighborhood")) {
                    thana = c.long_name;
                }
                else if (types.includes("administrative_area_level_2")) {
                    district = c.long_name;
                }
                else if (types.includes("administrative_area_level_1")) {
                    division = c.long_name;
                }
            }
            let confidence = 50;
            if (locType === "ROOFTOP")
                confidence = 98;
            else if (locType === "RANGE_INTERPOLATED")
                confidence = 85;
            else if (locType === "GEOMETRIC_CENTER")
                confidence = 70;
            return {
                success: true,
                formatted_address: result.formatted_address,
                thana: thana || req.thana || "",
                district: district || req.district || "Dhaka",
                division: division || "Dhaka Division",
                coordinates: {
                    lat: location.lat,
                    lng: location.lng,
                },
                location_type: locType,
                is_deliverable: confidence >= 60,
                confidence_score: confidence,
                place_id: result.place_id,
            };
        }
        catch (err) {
            return this.fallbackAddressParse(req);
        }
    }
    /**
     * Compute Road Distance & Classify Delivery Zone via Google Routes API
     */
    async calculateDeliveryZoneAndFee(req) {
        let destLat = req.destination_coords?.lat;
        let destLng = req.destination_coords?.lng;
        if (!destLat || !destLng) {
            const geo = await this.validateAndGeocode({ address: req.recipient_address });
            destLat = geo.coordinates.lat;
            destLng = geo.coordinates.lng;
        }
        let roadDistanceKm = 0;
        let routeSummary = "";
        if (this.apiKey && destLat && destLng) {
            try {
                const routesUrl = "https://routes.googleapis.com/directions/v2:computeRoutes";
                const routesRes = await axios.post(routesUrl, {
                    origin: { location: { latLng: { latitude: this.defaultHub.lat, longitude: this.defaultHub.lng } } },
                    destination: { location: { latLng: { latitude: destLat, longitude: destLng } } },
                    travelMode: "DRIVE",
                }, {
                    headers: {
                        "Content-Type": "application/json",
                        "X-Goog-Api-Key": this.apiKey,
                        "X-Goog-FieldMask": "routes.distanceMeters,routes.duration,routes.description",
                    },
                    timeout: 8000,
                });
                const route = routesRes.data?.routes?.[0];
                if (route && route.distanceMeters) {
                    roadDistanceKm = Math.round((route.distanceMeters / 1000) * 10) / 10;
                    routeSummary = route.description || "";
                }
                else {
                    roadDistanceKm = this.haversineDistance(this.defaultHub.lat, this.defaultHub.lng, destLat, destLng);
                }
            }
            catch (routesErr) {
                roadDistanceKm = this.haversineDistance(this.defaultHub.lat, this.defaultHub.lng, destLat, destLng);
            }
        }
        else if (destLat && destLng) {
            roadDistanceKm = this.haversineDistance(this.defaultHub.lat, this.defaultHub.lng, destLat, destLng);
        }
        const addr = req.recipient_address.toLowerCase();
        const isSubDhakaArea = /savar|gazipur|keraniganj|narayanganj|সাভার|গাজীপুর|কেরানীগঞ্জ|নারায়ণগঞ্জ/i.test(addr);
        let zone = "outside_dhaka";
        let zoneTitle = "ঢাকার বাইরে (সারা বাংলাদেশ)";
        let fee = 150;
        let hours = "৭২–৯৬ ঘণ্টা";
        if (roadDistanceKm > 0 && roadDistanceKm <= 22 && !isSubDhakaArea) {
            zone = "inside_dhaka";
            zoneTitle = "ঢাকার ভেতরে (মেট্রোপলিটন)";
            fee = 80;
            hours = "২৪–৪৮ ঘণ্টা (সরাসরি হোম ডেলিভারি)";
        }
        else if ((roadDistanceKm > 22 && roadDistanceKm <= 45) || isSubDhakaArea) {
            zone = "sub_dhaka";
            zoneTitle = "সাব-ঢাকা (আশপাশের অঞ্চল)";
            fee = 100;
            hours = "৪৮–৭২ ঘণ্টা";
        }
        return {
            success: true,
            zone,
            zone_title: zoneTitle,
            road_distance_km: roadDistanceKm,
            estimated_delivery_hours: hours,
            standard_delivery_fee: fee,
            cod_charge_percentage: 1.0,
            route_summary: routeSummary || `Hub to Destination (~${roadDistanceKm} km)`,
        };
    }
    /**
     * Enterprise Multi-Carrier Rate Comparison (Steadfast vs Pathao vs RedX vs Paperfly)
     */
    async compareRates(req) {
        const zoneInfo = await this.calculateDeliveryZoneAndFee({
            recipient_address: req.recipient_address,
            weight_kg: req.weight_kg || 0.5,
        });
        const weight = req.weight_kg || 0.5;
        const cod = req.cod_amount || 0;
        const extraKg = Math.max(0, Math.ceil(weight - 1.0));
        // Base rates per carrier based on real BD logistics market tariffs
        let sfBase = 70, ptBase = 60, rxBase = 80, pfBase = 80;
        let sfExtra = 20, ptExtra = 25, rxExtra = 20, pfExtra = 25;
        let sfHours = "২৪–৪৮ ঘণ্টা", ptHours = "১২–২৪ ঘণ্টা (Same-Day)", rxHours = "২৪–৪৮ ঘণ্টা", pfHours = "২৪–৪৮ ঘণ্টা";
        if (zoneInfo.zone === "sub_dhaka") {
            sfBase = 100;
            ptBase = 110;
            rxBase = 110;
            pfBase = 110;
            sfHours = "৪৮–৭২ ঘণ্টা";
            ptHours = "২৪–৪৮ ঘণ্টা";
            rxHours = "৪৮–৭২ ঘণ্টা";
            pfHours = "৪৮–৭২ ঘণ্টা";
        }
        else if (zoneInfo.zone === "outside_dhaka") {
            sfBase = 140;
            ptBase = 150;
            rxBase = 160;
            pfBase = 170;
            sfHours = "৭২–৯৬ ঘণ্টা";
            ptHours = "৪৮–৭২ ঘণ্টা";
            rxHours = "৭২–৯৬ ঘণ্টা";
            pfHours = "৭২–৯৬ ঘণ্টা";
        }
        const sfCod = Math.round(cod * 0.01);
        const ptCod = Math.round(cod * 0.01);
        const rxCod = Math.round(cod * 0.01);
        const pfCod = Math.round(cod * 0.015);
        const sfTotal = sfBase + (extraKg * sfExtra) + sfCod;
        const ptTotal = ptBase + (extraKg * ptExtra) + ptCod;
        const rxTotal = rxBase + (extraKg * rxExtra) + rxCod;
        const pfTotal = pfBase + (extraKg * pfExtra) + pfCod;
        const carrierQuotes = [
            {
                courier: "steadfast",
                name: "Steadfast Courier",
                base: sfBase,
                extra: extraKg * sfExtra,
                cod: sfCod,
                total: sfTotal,
                hours: sfHours,
                notes: "৬৪ জেলা ও সকল থানায় সরাসরি ক্যাশ অন ডেলিভারি হাব নেটওয়ার্ক।",
            },
            {
                courier: "pathao",
                name: "Pathao Express",
                base: ptBase,
                extra: extraKg * ptExtra,
                cod: ptCod,
                total: ptTotal,
                hours: ptHours,
                notes: "ঢাকা ও প্রধান মেট্রোপলিটন সিটিতে দ্রুততম অন-ডিমান্ড রাইডার পিকআপ।",
            },
            {
                courier: "redx",
                name: "RedX Delivery",
                base: rxBase,
                extra: extraKg * rxExtra,
                cod: rxCod,
                total: rxTotal,
                hours: rxHours,
                notes: "শক্তিশালী সাব-ডিস্ট্রিক্ট হাব ও বৃহৎ পার্সেল হ্যান্ডলিং নেটওয়ার্ক।",
            },
            {
                courier: "paperfly",
                name: "Paperfly Go",
                base: pfBase,
                extra: extraKg * pfExtra,
                cod: pfCod,
                total: pfTotal,
                hours: pfHours,
                notes: "প্রত্যন্ত ইউনিয়ন ও ডোরস্টেপ ডেলিভারি কভারেজ।",
            },
        ];
        let recommended = "steadfast";
        let reason = "সর্বনিম্ন খরচ ও ৬৪ জেলায় ৯৯.৮% সফল ডেলিভারি নেটওয়ার্ক";
        if (zoneInfo.zone === "inside_dhaka" && req.priority === "fastest") {
            recommended = "pathao";
            reason = "ঢাকা মেট্রোপলিটনে দ্রুততম সেম-ডে এক্সপ্রেস ডেলিভারি";
        }
        else if (req.priority === "cheapest") {
            const sorted = [...carrierQuotes].sort((a, b) => a.total - b.total);
            recommended = sorted[0].courier;
            reason = `${sorted[0].name} এই রুটে সর্বনিম্ন খরচে ডেলিভারি প্রদান করে (৳${sorted[0].total})।`;
        }
        else if (zoneInfo.zone === "inside_dhaka") {
            recommended = ptTotal <= sfTotal ? "pathao" : "steadfast";
            reason = "ঢাকা মেট্রোপলিটনে সাশ্রয়ী ডেলিভারি ও দ্রুত পিকআপ";
        }
        else {
            recommended = "steadfast";
            reason = "ঢাকার বাইরে সারা বাংলাদেশের ৬৪ জেলায় সর্বোচ্চ কভারেজ ও সর্বনিম্ন রিটার্ন রেট";
        }
        const quotes = carrierQuotes.map((cq) => ({
            courier: cq.courier,
            courier_name: cq.name,
            base_delivery_fee: cq.base,
            weight_surcharge: cq.extra,
            cod_charge: cq.cod,
            total_cost: cq.total,
            estimated_hours: cq.hours,
            coverage_notes: cq.notes,
            is_recommended: cq.courier === recommended,
        }));
        return {
            success: true,
            zone: zoneInfo.zone,
            zone_title: zoneInfo.zone_title,
            road_distance_km: zoneInfo.road_distance_km,
            weight_kg: weight,
            cod_amount: cod,
            recommended_courier: recommended,
            recommendation_reason: reason,
            quotes,
        };
    }
    async fallbackAddressParse(req) {
        const fullQuery = [req.address, req.thana, req.district, "Bangladesh"].filter(Boolean).join(", ");
        // Tier 2: Live OpenStreetMap Nominatim Geocoding (Zero-Billing Fallback)
        try {
            const nomRes = await axios.get("https://nominatim.openstreetmap.org/search", {
                params: {
                    q: fullQuery,
                    countrycodes: "bd",
                    format: "json",
                    addressdetails: 1,
                    limit: 1,
                },
                headers: { "User-Agent": "AuraCourierMCP/2.5 (https://courier.auraajenticai.cloud)" },
                timeout: 5500,
            });
            if (Array.isArray(nomRes.data) && nomRes.data.length > 0) {
                const hit = nomRes.data[0];
                const addr = hit.address || {};
                const lat = parseFloat(hit.lat);
                const lng = parseFloat(hit.lon);
                const thana = addr.suburb || addr.neighbourhood || addr.town || addr.municipality || addr.city_district || req.thana || "";
                const district = (addr.county || addr.city || addr.state_district || req.district || "Dhaka").replace(/\s*District$/i, "");
                const division = addr.state || "Dhaka Division";
                return {
                    success: true,
                    formatted_address: hit.display_name || fullQuery,
                    thana,
                    district,
                    division,
                    coordinates: { lat, lng },
                    location_type: "GEOMETRIC_CENTER",
                    is_deliverable: true,
                    confidence_score: 88,
                    place_id: `osm_${hit.place_id || Date.now()}`,
                };
            }
        }
        catch (_) {
            // Proceed to Tier 3 Spatial Gazetteer
        }
        // Tier 3: Bangladesh 64-District & Dhaka Thana Spatial Gazetteer
        const raw = [req.address, req.thana, req.district].filter(Boolean).join(" ").toLowerCase();
        const gazetteer = [
            { rx: /mirpur|মিরপুর|pallabi|পল্লবী|kazipara|shewrapara|কাজীপাড়া|শেওড়াপাড়া/, thana: "Mirpur", district: "Dhaka", division: "Dhaka Division", lat: 23.8042, lng: 90.3667 },
            { rx: /uttara|উত্তরা|airport|বিমানবন্দর|sector|সেক্টর|dakshin khan|uttar khan/, thana: "Uttara", district: "Dhaka", division: "Dhaka Division", lat: 23.8759, lng: 90.3795 },
            { rx: /dhanmondi|ধানমন্ডি|kalabagan|কলাবাগান|jigatola|জিগাতলা|shankar/, thana: "Dhanmondi", district: "Dhaka", division: "Dhaka Division", lat: 23.7461, lng: 90.3742 },
            { rx: /gulshan|গুলশান|banani|বনানী|baridhara|বারিধারা|niketan|নিকেতন/, thana: "Gulshan", district: "Dhaka", division: "Dhaka Division", lat: 23.7925, lng: 90.4078 },
            { rx: /mohammadpur|মোহাম্মদপুর|adabor|আদাবর|lalmatia|লালমাটিয়া|bosila|বসিলা/, thana: "Mohammadpur", district: "Dhaka", division: "Dhaka Division", lat: 23.7662, lng: 90.3589 },
            { rx: /badda|বাড্ডা|rampura|রামপুরা|banasree|বনশ্রী|aftabnagar|আফতাবনগর|hatirjheel/, thana: "Badda", district: "Dhaka", division: "Dhaka Division", lat: 23.7805, lng: 90.4267 },
            { rx: /bashundhara|বসুন্ধরা|vatara|ভাটারা|kuril|কুড়িল|nikunja|নিকুঞ্জ|khilkhet|খিলক্ষেত/, thana: "Vatara", district: "Dhaka", division: "Dhaka Division", lat: 23.8191, lng: 90.4526 },
            { rx: /motijheel|মতিঝিল|paltan|পল্টন|kakrail|কাকরাইল|shantinagar|শান্তিনগর|malibagh|মালিবাগ|mogbazar|মগবাজার/, thana: "Motijheel", district: "Dhaka", division: "Dhaka Division", lat: 23.7330, lng: 90.4172 },
            { rx: /shahbag|শাহবাগ|hatirpool|হাতিরপুল|motaleb|মোতালেব|eleph|এলিফ্যান্ট|new market|নিউ মার্কেট|farmgate|ফার্মগেট|tejgaon|তেজগাঁও|karwan|কারওয়ান/, thana: "Shahbagh", district: "Dhaka", division: "Dhaka Division", lat: 23.7415, lng: 90.3918 },
            { rx: /jatrabari|যাত্রাবাড়ী|demra|ডেমরা|kadamtali|কদমতলী|shanir akhra|শনির আখড়া|wari|ওয়ারী|old dhaka|পুরান ঢাকা|lalbagh|লালবাগ|kotwali/, thana: "Jatrabari", district: "Dhaka", division: "Dhaka Division", lat: 23.7104, lng: 90.4348 },
            { rx: /keraniganj|কেরানীগঞ্জ|ati bazar|আটি বাজার|atibazar|hasnabad/, thana: "Keraniganj", district: "Dhaka", division: "Dhaka Division", lat: 23.6942, lng: 90.3475 },
            { rx: /savar|সাভার|ashulia|আশুলিয়া|hemayetpur|হেমায়েতপুর|dhamrai|ধামরাই/, thana: "Savar", district: "Dhaka", division: "Dhaka Division", lat: 23.8583, lng: 90.2667 },
            { rx: /gazipur|গাজীপুর|tongi|টঙ্গী|board bazar|বোর্ড বাজার|joydebpur|জয়দেবপুর|konabari/, thana: "Tongi", district: "Gazipur", division: "Dhaka Division", lat: 23.9889, lng: 90.3950 },
            { rx: /narayanganj|নারায়ণগঞ্জ|siddhirganj|সিদ্ধিরগঞ্জ|fatullah|ফতুল্লা|chashara|চাষাড়া|sonargaon|rupganj/, thana: "Narayanganj Sadar", district: "Narayanganj", division: "Dhaka Division", lat: 23.6238, lng: 90.5000 },
            { rx: /chattogram|chittagong|চট্টগ্রাম|agrabad|আগ্রাবাদ|nasirabad|নাসিরাবাদ|halishahar|হালিশহর|panchlaish|gec|জিইসি|kotwali/, thana: "Panchlaish", district: "Chattogram", division: "Chattogram Division", lat: 22.3569, lng: 91.7832 },
            { rx: /cox.?s?s*bazar|কক্সবাজার|chakaria|teknaf|ukhiya/, thana: "Cox's Bazar Sadar", district: "Cox's Bazar", division: "Chattogram Division", lat: 21.4272, lng: 92.0058 },
            { rx: /cumilla|comilla|কুমিল্লা|kandirpar|কান্দিরপাড়|laksam|daudkandi/, thana: "Cumilla Sadar", district: "Cumilla", division: "Chattogram Division", lat: 23.4607, lng: 91.1809 },
            { rx: /feni|ফেনী|noakhali|নোয়াখালী|maijdee|চৌমুহনী|lakshmipur|লক্ষ্মীপুর|chandpur|চাঁদপুর|brahmanbaria|ব্রাহ্মণবাড়িয়া/, thana: "Sadar", district: "Noakhali", division: "Chattogram Division", lat: 22.8724, lng: 91.0973 },
            { rx: /sylhet|সিলেট|zindabazar|জিন্দাবাজার|amberkhana|আম্বরখানা|upashahar|উপশহর|moulvibazar|মৌলভীবাজার|sreemangal|habiganj|হবিগঞ্জ|sunamganj|সুনামগঞ্জ/, thana: "Sylhet Sadar", district: "Sylhet", division: "Sylhet Division", lat: 24.8949, lng: 91.8687 },
            { rx: /rajshahi|রাজশাহী|boalia|বোয়ালিয়া|shaheb bazar|সাহেব বাজার|motihar|নাটোর|natore|naogaon|নওগাঁ|chapainawabganj|চাঁপাইনবাবগঞ্জ|pabna|পাবনা|sirajganj|সিরাজগঞ্জ/, thana: "Boalia", district: "Rajshahi", division: "Rajshahi Division", lat: 24.3745, lng: 88.6042 },
            { rx: /bogura|bogra|বগুড়া|sherpur|শেরপুর|joypurhat|জয়পুরহাট/, thana: "Bogura Sadar", district: "Bogura", division: "Rajshahi Division", lat: 24.8481, lng: 89.3730 },
            { rx: /khulna|খুলনা|sonadanga|সোনাডাঙ্গা|khalishpur|খালিশপুর|daulatpur|jashore|jessore|যশোর|kushtia|কুষ্টিয়া|satkhira|সাতক্ষীরা|bagerhat|বাগেরহাট|jhenaidah|ঝিনাইদহ/, thana: "Sonadanga", district: "Khulna", division: "Khulna Division", lat: 22.8456, lng: 89.5403 },
            { rx: /barishal|barisal|বরিশাল|patukhali|পটুয়াখালী|bhola|ভোলা|pirojpur|পিরোজপুর|jhalokati|barguna/, thana: "Barishal Sadar", district: "Barishal", division: "Barishal Division", lat: 22.7010, lng: 90.3535 },
            { rx: /rangpur|রংপুর|dinajpur|দিনাজপুর|thakurgaon|ঠাকুরগাঁও|panchagarh|পঞ্চগড়|nilphamari|নীলফামারী|saidpur|সৈয়দপুর|kurigram|কুড়িগ্রাম|gaibandha|গাইবান্ধা|lalmonirhat/, thana: "Rangpur Sadar", district: "Rangpur", division: "Rangpur Division", lat: 25.7439, lng: 89.2752 },
            { rx: /mymensingh|ময়মনসিংহ|jamalpur|জামালপুর|netrokona|নেত্রকোনা|tangail|টাঙ্গাইল|kishoreganj|কিশোরগঞ্জ|faridpur|ফরিদপুর|madaripur|মাদারীপুর|gopalganj|গোপালগঞ্জ|shariatpur|শরীয়তপুর|rajbari|রাজবাড়ী|manikganj|মানিকগঞ্জ|munshiganj|মুন্সিগঞ্জ|narsingdi|নরসিংদী/, thana: "Mymensingh Sadar", district: "Mymensingh", division: "Mymensingh Division", lat: 24.7471, lng: 90.4203 },
        ];
        for (const g of gazetteer) {
            if (g.rx.test(raw)) {
                return {
                    success: true,
                    formatted_address: `${req.address}, ${req.thana || g.thana}, ${req.district || g.district}, Bangladesh`,
                    thana: req.thana || g.thana,
                    district: req.district || g.district,
                    division: g.division,
                    coordinates: { lat: g.lat, lng: g.lng },
                    location_type: "GEOMETRIC_CENTER",
                    is_deliverable: true,
                    confidence_score: 84,
                    place_id: `bd_gazetteer_${g.district.toLowerCase().replace(/\s+/g, "_")}`,
                };
            }
        }
        const isDhaka = /dhaka|ঢাকা/i.test(raw);
        return {
            success: true,
            formatted_address: req.address,
            thana: req.thana || (isDhaka ? "Dhaka Metro" : "Sadar"),
            district: req.district || (isDhaka ? "Dhaka" : "Outside Dhaka"),
            division: isDhaka ? "Dhaka Division" : "Bangladesh",
            coordinates: isDhaka ? { lat: 23.8103, lng: 90.4125 } : { lat: 24.0000, lng: 90.0000 },
            location_type: "APPROXIMATE",
            is_deliverable: true,
            confidence_score: 72,
        };
    }
    haversineDistance(lat1, lon1, lat2, lon2) {
        const R = 6371;
        const dLat = ((lat2 - lat1) * Math.PI) / 180;
        const dLon = ((lon2 - lon1) * Math.PI) / 180;
        const a = Math.sin(dLat / 2) * Math.sin(dLat / 2) +
            Math.cos((lat1 * Math.PI) / 180) *
                Math.cos((lat2 * Math.PI) / 180) *
                Math.sin(dLon / 2) *
                Math.sin(dLon / 2);
        const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
        return Math.round(R * c * 1.2 * 10) / 10;
    }
}