/** * Bristol Bus Service - LIVE DATA * Fetches real-time bus info from BODS via bristol_bus_api.php * * Version: 4.0 - Live API Integration */ const BUS_API_URL = 'bristol_bus_api.php'; // Stop name mappings const STOP_MAPPINGS = { 'bus station': 'bus_station', 'temple meads': 'temple_meads', 'the centre': 'the_centre', 'center': 'the_centre', 'centre': 'the_centre', 'broadmead': 'broadmead', 'cabot circus': 'cabot_circus', 'cabot': 'cabot_circus', 'clifton': 'clifton', 'clifton triangle': 'clifton', 'uwe': 'uwe', 'university': 'uwe', 'frenchay': 'uwe', 'southmead': 'southmead_hospital', 'southmead hospital': 'southmead_hospital', 'hospital': 'southmead_hospital', 'cribbs': 'cribbs_causeway', 'cribbs causeway': 'cribbs_causeway', 'the mall': 'cribbs_causeway', 'mall': 'cribbs_causeway', 'gloucester road': 'gloucester_road', 'glos road': 'gloucester_road', 'bedminster': 'bedminster', 'fishponds': 'fishponds', 'hengrove': 'hengrove', 'kingswood': 'kingswood', 'yate': 'yate', 'airport': 'airport', 'bristol airport': 'airport' }; // ============================================ // MAIN PROCESSING FUNCTION // ============================================ async function processBusRequest(message) { const lowerMessage = (message || '').toLowerCase().trim(); // Check for bus keywords const busKeywords = ['bus', 'buses', 'next bus', 'bus time', 'bus to', 'bus from', 'what bus', 'which bus', 'catch bus', 'get bus', 'take bus', 'route']; const hasBusKeyword = busKeywords.some(kw => lowerMessage.includes(kw)); if (!hasBusKeyword) return null; // Extract route number (e.g., "72", "X39", "M1", "A1") const routeMatch = lowerMessage.match(/\b(?:bus\s+|route\s+)?(\d{1,3}[a-z]?|x\d{1,2}|m\d|a1)\b/i); const routeNumber = routeMatch ? routeMatch[1] : null; // Extract stop name let stopKey = null; for (const [phrase, key] of Object.entries(STOP_MAPPINGS)) { if (lowerMessage.includes(phrase)) { stopKey = key; break; } } // CASE 1: User asks about specific route ("when's the next 72?") if (routeNumber) { return await fetchRouteInfo(routeNumber); } // CASE 2: User asks about a stop ("bus times at temple meads") if (stopKey) { return await fetchStopArrivals(stopKey); } // CASE 3: Generic question - don't handle, let AI respond return null; } // ============================================ // FETCH LIVE ROUTE INFO // ============================================ async function fetchRouteInfo(routeNumber) { try { const response = await fetch(`${BUS_API_URL}?action=route&number=${encodeURIComponent(routeNumber)}`); const data = await response.json(); if (!data.success) { return null; // Let AI handle unknown routes } return formatRouteCard(data); } catch (error) { console.error('[BUS] Route fetch error:', error); return null; } } // ============================================ // FETCH LIVE STOP ARRIVALS // ============================================ async function fetchStopArrivals(stopKey) { try { const response = await fetch(`${BUS_API_URL}?action=arrivals&stop=${encodeURIComponent(stopKey)}`); const data = await response.json(); if (!data.success) { return null; } return formatArrivalsCard(data); } catch (error) { console.error('[BUS] Arrivals fetch error:', error); return null; } } // ============================================ // FORMAT: Route Info Card // ============================================ function formatRouteCard(data) { const route = data.route; const arrivals = data.next_arrivals || []; const isLive = data.live; // Determine route type colors let bgColor = '#3B82F6'; // Blue default let typeLabel = '🚌 Regular'; if (route.type === 'metrobus') { bgColor = '#DC2626'; typeLabel = '🚍 Metrobus'; } else if (route.type === 'express') { bgColor = '#8B5CF6'; typeLabel = '⚑ Express'; } else if (route.type === 'airport') { bgColor = '#F59E0B'; typeLabel = '✈️ Airport'; } else if (route.type === 'frequent') { typeLabel = '🚌 Frequent'; } return `
${route.number}
${route.name}
${typeLabel} β€’ Every ${route.frequency}
${isLive ? '
● LIVE
' : ''}
Next Departures
${arrivals.map(mins => `
${mins <= 1 ? 'Due' : mins + ' min'}
`).join('')}
${data.live_vehicles > 0 ? `
🚌 ${data.live_vehicles} buses currently running
` : ''}
Frequency
Every ${route.frequency}
First Bus
${route.first_bus}
Last Bus
${route.last_bus}
πŸ“‹ Timetable πŸ—ΊοΈ Track Live
Updated ${data.updated} β€’ ${isLive ? 'Live from BODS' : 'Demo data'}
`; } // ============================================ // FORMAT: Stop Arrivals Card // ============================================ function formatArrivalsCard(data) { const stop = data.stop; const arrivals = data.arrivals || []; const isLive = data.live; const isDemo = data.demo; if (arrivals.length === 0) { return `
🚏
${stop.name}
No buses due at this stop right now.
`; } return `
🚏
${stop.name}
Live departures
${isLive ? '● LIVE' : '● DEMO'}
${arrivals.slice(0, 6).map(arr => `
${arr.route}
${arr.destination}
${arr.scheduled ? `
Scheduled: ${arr.scheduled}
` : ''}
${arr.minutes <= 1 ? 'Due' : arr.minutes + ' min'}
`).join('')}
Updated ${data.updated} First Bus App β†’
${isDemo ? `
⚠️ Demo data shown. For live times, API key needed - Get free key
` : ''}
`; } // ============================================ // EXPORT // ============================================ if (typeof window !== 'undefined') { window.processBusRequest = processBusRequest; } console.log('🚌 Bristol Bus Service v4.0 - Live API Integration loaded');