feat: Add breeding date suggestion window endpoint

server/routes/breeding.js

@@ -11,55 +11,149 @@ router.get('/heat-cycles/dog/:dogId', (req, res) => {
       WHERE dog_id = ? 
       ORDER BY start_date DESC
     `).all(req.params.dogId);
-    
     res.json(cycles);
   } catch (error) {
     res.status(500).json({ error: error.message });
   }
 });
 
-// GET all active heat cycles
+// GET all active heat cycles (with dog info)
 router.get('/heat-cycles/active', (req, res) => {
   try {
     const db = getDatabase();
     const cycles = db.prepare(`
-      SELECT hc.*, d.name as dog_name, d.registration_number
+      SELECT hc.*, d.name as dog_name, d.registration_number, d.breed, d.birth_date
       FROM heat_cycles hc
       JOIN dogs d ON hc.dog_id = d.id
       WHERE hc.end_date IS NULL OR hc.end_date >= date('now', '-30 days')
       ORDER BY hc.start_date DESC
     `).all();
-    
     res.json(cycles);
   } catch (error) {
     res.status(500).json({ error: error.message });
   }
 });
 
+// GET all heat cycles (all dogs, for calendar population)
+router.get('/heat-cycles', (req, res) => {
+  try {
+    const db = getDatabase();
+    const { year, month } = req.query;
+    let query = `
+      SELECT hc.*, d.name as dog_name, d.registration_number, d.breed
+      FROM heat_cycles hc
+      JOIN dogs d ON hc.dog_id = d.id
+    `;
+    const params = [];
+    if (year && month) {
+      query += ` WHERE strftime('%Y', hc.start_date) = ? AND strftime('%m', hc.start_date) = ?`;
+      params.push(year, month.toString().padStart(2, '0'));
+    }
+    query += ' ORDER BY hc.start_date DESC';
+    const cycles = db.prepare(query).all(...params);
+    res.json(cycles);
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// GET breeding date suggestions for a heat cycle
+// Returns optimal breeding window based on start_date (days 9-15 of cycle)
+router.get('/heat-cycles/:id/suggestions', (req, res) => {
+  try {
+    const db = getDatabase();
+    const cycle = db.prepare(`
+      SELECT hc.*, d.name as dog_name
+      FROM heat_cycles hc
+      JOIN dogs d ON hc.dog_id = d.id
+      WHERE hc.id = ?
+    `).get(req.params.id);
+
+    if (!cycle) return res.status(404).json({ error: 'Heat cycle not found' });
+
+    const start = new Date(cycle.start_date);
+
+    const addDays = (d, n) => {
+      const r = new Date(d);
+      r.setDate(r.getDate() + n);
+      return r.toISOString().split('T')[0];
+    };
+
+    // Standard canine heat cycle windows
+    res.json({
+      cycle_id: cycle.id,
+      dog_name: cycle.dog_name,
+      start_date: cycle.start_date,
+      windows: [
+        {
+          label: 'Proestrus',
+          description: 'Bleeding begins, not yet receptive',
+          start: addDays(start, 0),
+          end: addDays(start, 8),
+          color: 'pink',
+          type: 'proestrus'
+        },
+        {
+          label: 'Optimal Breeding Window',
+          description: 'Estrus — highest fertility, best time to breed',
+          start: addDays(start, 9),
+          end: addDays(start, 15),
+          color: 'green',
+          type: 'optimal'
+        },
+        {
+          label: 'Late Estrus',
+          description: 'Fertility declining but breeding still possible',
+          start: addDays(start, 16),
+          end: addDays(start, 21),
+          color: 'yellow',
+          type: 'late'
+        },
+        {
+          label: 'Diestrus',
+          description: 'Cycle ending, not receptive',
+          start: addDays(start, 22),
+          end: addDays(start, 28),
+          color: 'gray',
+          type: 'diestrus'
+        }
+      ],
+      // If a breeding_date was logged, compute whelping estimate
+      whelping: cycle.breeding_date ? {
+        breeding_date: cycle.breeding_date,
+        earliest: addDays(new Date(cycle.breeding_date), 58),
+        expected: addDays(new Date(cycle.breeding_date), 63),
+        latest: addDays(new Date(cycle.breeding_date), 68)
+      } : null
+    });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
 // POST create heat cycle
 router.post('/heat-cycles', (req, res) => {
   try {
-    const { dog_id, start_date, end_date, progesterone_peak_date, breeding_date, breeding_successful, notes } = req.body;
+    const { dog_id, start_date, end_date, breeding_date, breeding_successful, notes } = req.body;
-    
+
     if (!dog_id || !start_date) {
       return res.status(400).json({ error: 'Dog ID and start date are required' });
     }
-    
+
     const db = getDatabase();
-    
+
     // Verify dog is female
     const dog = db.prepare('SELECT sex FROM dogs WHERE id = ?').get(dog_id);
     if (!dog || dog.sex !== 'female') {
       return res.status(400).json({ error: 'Dog must be female' });
     }
-    
+
     const result = db.prepare(`
-      INSERT INTO heat_cycles (dog_id, start_date, end_date, progesterone_peak_date, breeding_date, breeding_successful, notes)
+      INSERT INTO heat_cycles (dog_id, start_date, end_date, breeding_date, breeding_successful, notes)
-      VALUES (?, ?, ?, ?, ?, ?, ?)
+      VALUES (?, ?, ?, ?, ?, ?)
-    `).run(dog_id, start_date, end_date, progesterone_peak_date, breeding_date, breeding_successful || 0, notes);
+    `).run(dog_id, start_date, end_date || null, breeding_date || null, breeding_successful || 0, notes || null);
-    
+
     const cycle = db.prepare('SELECT * FROM heat_cycles WHERE id = ?').get(result.lastInsertRowid);
-    
     res.status(201).json(cycle);
   } catch (error) {
     res.status(500).json({ error: error.message });
@@ -69,16 +163,13 @@ router.post('/heat-cycles', (req, res) => {
 // PUT update heat cycle
 router.put('/heat-cycles/:id', (req, res) => {
   try {
-    const { start_date, end_date, progesterone_peak_date, breeding_date, breeding_successful, notes } = req.body;
+    const { start_date, end_date, breeding_date, breeding_successful, notes } = req.body;
-    
     const db = getDatabase();
     db.prepare(`
       UPDATE heat_cycles 
-      SET start_date = ?, end_date = ?, progesterone_peak_date = ?, 
+      SET start_date = ?, end_date = ?, breeding_date = ?, breeding_successful = ?, notes = ?
-          breeding_date = ?, breeding_successful = ?, notes = ?
       WHERE id = ?
-    `).run(start_date, end_date, progesterone_peak_date, breeding_date, breeding_successful, notes, req.params.id);
+    `).run(start_date, end_date || null, breeding_date || null, breeding_successful || 0, notes || null, req.params.id);
-    
     const cycle = db.prepare('SELECT * FROM heat_cycles WHERE id = ?').get(req.params.id);
     res.json(cycle);
   } catch (error) {
@@ -97,32 +188,20 @@ router.delete('/heat-cycles/:id', (req, res) => {
   }
 });
 
-// GET calculate expected whelping date
+// GET whelping calculator (standalone)
 router.get('/whelping-calculator', (req, res) => {
   try {
     const { breeding_date } = req.query;
-    
     if (!breeding_date) {
       return res.status(400).json({ error: 'Breeding date is required' });
     }
-    
     const breedDate = new Date(breeding_date);
-    
+    const addDays = (d, n) => { const r = new Date(d); r.setDate(r.getDate() + n); return r.toISOString().split('T')[0]; };
-    // Average gestation: 63 days, range 58-68 days
-    const expectedDate = new Date(breedDate);
-    expectedDate.setDate(expectedDate.getDate() + 63);
-    
-    const earliestDate = new Date(breedDate);
-    earliestDate.setDate(earliestDate.getDate() + 58);
-    
-    const latestDate = new Date(breedDate);
-    latestDate.setDate(latestDate.getDate() + 68);
-    
     res.json({
-      breeding_date: breeding_date,
+      breeding_date,
-      expected_whelping_date: expectedDate.toISOString().split('T')[0],
+      expected_whelping_date: addDays(breedDate, 63),
-      earliest_date: earliestDate.toISOString().split('T')[0],
+      earliest_date: addDays(breedDate, 58),
-      latest_date: latestDate.toISOString().split('T')[0],
+      latest_date: addDays(breedDate, 68),
       gestation_days: 63
     });
   } catch (error) {
@@ -130,4 +209,4 @@ router.get('/whelping-calculator', (req, res) => {
   }
 });
 
-module.exports = router;
+module.exports = router;