"use strict";
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var _a, _b, _c;
Object.defineProperty(exports, "__esModule", { value: true });
exports.MapsService = void 0;
const common_1 = require("@nestjs/common");
const config_1 = require("@nestjs/config");
const typeorm_1 = require("@nestjs/typeorm");
const typeorm_2 = require("typeorm");
const axios_1 = __importDefault(require("axios"));
const road_stat_entity_1 = require("./road-stat.entity");
const traffic_grid_service_1 = require("./traffic-grid.service");
const geocoding_service_1 = require("../geocoding/geocoding.service");
const redis_service_1 = require("../common/redis.service");
let MapsService = class MapsService {
    configService;
    roadStatRepo;
    trafficGrid;
    geocodingService;
    dataSource;
    redisService;
    graphHopperUrl;
    constructor(configService, roadStatRepo, trafficGrid, geocodingService, dataSource, redisService) {
        this.configService = configService;
        this.roadStatRepo = roadStatRepo;
        this.trafficGrid = trafficGrid;
        this.geocodingService = geocodingService;
        this.dataSource = dataSource;
        this.redisService = redisService;
        this.graphHopperUrl = this.configService.get('GRAPH_HOPPER_URL', 'http://routing:8080');
    }
    async requestRoutingSync() {
        await this.redisService.set('routing_sync_requested', '1');
        return { success: true, message: 'Routing sync requested and scheduled for the next minute.' };
    }
    async getRoute(waypoints, profile = 'car', steps = false, locale = 'en', alternatives = false) {
        if (waypoints.length < 2) {
            throw new common_1.HttpException('At least two waypoints are required', common_1.HttpStatus.BAD_REQUEST);
        }
        try {
            const ghPoints = waypoints.map(wp => [wp[1], wp[0]]);
            let startName = 'Unknown Location';
            let endName = 'Unknown Location';
            try {
                const startWp = waypoints[0];
                const endWp = waypoints[waypoints.length - 1];
                const [startRes, endRes] = await Promise.all([
                    this.geocodingService.reverseGeocode(startWp[0], startWp[1]),
                    this.geocodingService.reverseGeocode(endWp[0], endWp[1])
                ]);
                const formatName = (r) => {
                    const parts = [r.name_ar || r.name, r.neighbourhood, r.district, r.governorate].filter(Boolean);
                    const uniqueParts = [...new Set(parts)];
                    return uniqueParts.length > 0 ? uniqueParts.join('، ') : 'Unknown Location';
                };
                if (startRes && startRes.length > 0)
                    startName = formatName(startRes[0]);
                if (endRes && endRes.length > 0)
                    endName = formatName(endRes[0]);
            }
            catch (e) {
                console.warn('Geocoding internal error during routing:', e);
            }
            const payload = {
                points: ghPoints,
                profile: profile,
                locale: locale === 'en' ? 'ar' : locale,
                calc_points: true,
                points_encoded: true,
                instructions: steps || true,
            };
            let closureCount = 0;
            try {
                const closedSegments = await this.dataSource.query(`
          SELECT ST_AsGeoJSON(
                   ST_Transform(ST_Buffer(ST_Transform(geometry::geometry, 3857), 15), 4326), 6
                 ) AS geojson
          FROM road_segment_stats
          WHERE "isClosed" = true AND geometry IS NOT NULL
          LIMIT 50
        `);
                const features = closedSegments
                    .map((s, i) => {
                    try {
                        return { type: 'Feature', id: `closed_${i}`, geometry: JSON.parse(s.geojson), properties: {} };
                    }
                    catch {
                        return null;
                    }
                })
                    .filter(Boolean);
                if (features.length > 0) {
                    payload['custom_model'] = {
                        priority: features.map((f) => ({ if: `in_${f.id}`, multiply_by: '0' })),
                        areas: { type: 'FeatureCollection', features },
                    };
                    payload['ch.disable'] = true;
                    closureCount = features.length;
                    console.log(`🚧 Routing: avoiding ${closureCount} closed segment(s).`);
                }
            }
            catch (closureError) {
                console.warn('⚠️  Could not load road closures for routing:', closureError.message);
            }
            if (alternatives && waypoints.length === 2) {
                payload.algorithm = 'alternative_route';
                payload['ch.disable'] = true;
                payload['alternative_route.max_paths'] = 2;
                payload['alternative_route.max_weight_factor'] = 1.6;
                payload['alternative_route.max_share_factor'] = 0.6;
            }
            console.log(`Routing Request: ${waypoints.length} points via ${profile} on ${this.graphHopperUrl} | Steps: ${steps} | Locale: ${locale}`);
            let response;
            try {
                response = await axios_1.default.post(`${this.graphHopperUrl}/route`, payload, { timeout: 10000 });
            }
            catch (routeErr) {
                if (closureCount > 0 && payload['custom_model']) {
                    const detail = routeErr.response ? JSON.stringify(routeErr.response.data) : routeErr.message;
                    console.warn(`⚠️  Closure-aware routing failed (${detail}). Retrying without closures...`);
                    delete payload['custom_model'];
                    if (!(alternatives && waypoints.length === 2))
                        delete payload['ch.disable'];
                    response = await axios_1.default.post(`${this.graphHopperUrl}/route`, payload, { timeout: 10000 });
                }
                else {
                    throw routeErr;
                }
            }
            console.log('Routing SUCCESS');
            const paths = response.data.paths;
            if (!paths || paths.length === 0)
                throw new common_1.HttpException('No route found', common_1.HttpStatus.NOT_FOUND);
            const route = paths[0];
            const now = new Date();
            const hr = now.getHours();
            const dow = now.getDay();
            const coords = this.decodePolyline(route.points);
            const trafficFactor = this.trafficGrid.getTrafficFactor(coords, hr, dow);
            const baseDuration = route.time / 1000;
            const trafficAwareDuration = baseDuration * trafficFactor;
            const processedPaths = paths.map((p, index) => {
                const pCoords = this.decodePolyline(p.points);
                const pTrafficFactor = this.trafficGrid.getTrafficFactor(pCoords, hr, dow);
                const pDuration = Math.round((p.time / 1000) * pTrafficFactor);
                const routeName = this.getRouteName(p.instructions);
                const tags = [];
                if (index === 0)
                    tags.push('FASTEST');
                if (paths.length > 1) {
                    const isShortest = paths.every((other) => p.distance <= other.distance);
                    if (isShortest)
                        tags.push('SHORTEST');
                    if (index > 0 && !isShortest)
                        tags.push('ALTERNATIVE');
                }
                return {
                    routeName: routeName ? `عبر ${routeName}` : `المسار ${index + 1}`,
                    tags,
                    distance: p.distance,
                    duration: pDuration,
                    points: p.points,
                    bbox: p.bbox,
                    instructions: steps ? p.instructions : undefined
                };
            });
            const mainRoute = processedPaths[0];
            const altRoutes = processedPaths.slice(1);
            return {
                routeName: mainRoute.routeName,
                tags: mainRoute.tags,
                distance: mainRoute.distance,
                duration: mainRoute.duration,
                trafficFactor: Math.round(trafficFactor * 100) / 100,
                startName,
                endName,
                points: mainRoute.points,
                bbox: mainRoute.bbox,
                instructions: mainRoute.instructions,
                alternatives: altRoutes
            };
        }
        catch (error) {
            const msg = error.response ? `GH Error: ${JSON.stringify(error.response.data)}` : `DNS/Connection Error: ${error.message}`;
            console.error('CRITICAL ROUTING FAILURE:', msg);
            throw new common_1.HttpException(`Routing Failure: ${msg}`, common_1.HttpStatus.BAD_GATEWAY);
        }
    }
    getRouteName(instructions) {
        if (!instructions || instructions.length === 0)
            return null;
        const streetDistances = {};
        for (const inst of instructions) {
            if (inst.street_name && inst.street_name.trim() !== '') {
                streetDistances[inst.street_name] = (streetDistances[inst.street_name] || 0) + (inst.distance || 0);
            }
        }
        let longestStreet = null;
        let maxDist = 0;
        for (const [street, dist] of Object.entries(streetDistances)) {
            if (dist > maxDist) {
                maxDist = dist;
                longestStreet = street;
            }
        }
        return longestStreet;
    }
    decodePolyline(encoded) {
        const points = [];
        let index = 0, len = encoded.length;
        let lat = 0, lng = 0;
        while (index < len) {
            let b, shift = 0, result = 0;
            do {
                b = encoded.charCodeAt(index++) - 63;
                result |= (b & 0x1f) << shift;
                shift += 5;
            } while (b >= 0x20);
            let dlat = ((result & 1) ? ~(result >> 1) : (result >> 1));
            lat += dlat;
            shift = 0;
            result = 0;
            do {
                b = encoded.charCodeAt(index++) - 63;
                result |= (b & 0x1f) << shift;
                shift += 5;
            } while (b >= 0x20);
            let dlng = ((result & 1) ? ~(result >> 1) : (result >> 1));
            lng += dlng;
            points.push([lng * 1e-5, lat * 1e-5]);
        }
        return points;
    }
    async getMapConfig() {
        return {
            center: [31.95, 35.91],
            zoom: 12,
            tileServerUrl: this.configService.get('TILE_SERVER_URL', 'http://localhost:3001'),
        };
    }
};
exports.MapsService = MapsService;
exports.MapsService = MapsService = __decorate([
    (0, common_1.Injectable)(),
    __param(1, (0, typeorm_1.InjectRepository)(road_stat_entity_1.RoadSegmentStat)),
    __metadata("design:paramtypes", [typeof (_a = typeof config_1.ConfigService !== "undefined" && config_1.ConfigService) === "function" ? _a : Object, typeof (_b = typeof typeorm_2.Repository !== "undefined" && typeorm_2.Repository) === "function" ? _b : Object, traffic_grid_service_1.TrafficGridService,
        geocoding_service_1.GeocodingService, typeof (_c = typeof typeorm_2.DataSource !== "undefined" && typeorm_2.DataSource) === "function" ? _c : Object, redis_service_1.RedisService])
], MapsService);
//# sourceMappingURL=maps.service.js.map