Add LINE push integration and target mode config

server/server.mjs

@@ -17,6 +17,14 @@ const distReady = existsSync(path.join(distDir, 'index.html'))
 
 const requiredEnv = ['DB_HOST', 'DB_PORT', 'DB_USER', 'DB_PASSWORD', 'DB_DATABASE']
 const missingEnv = requiredEnv.filter((key) => !process.env[key])
+const lineAccessToken =
+  process.env.LINE_CHANNEL_ACCESS_TOKEN ?? process.env.channelAccessToken ?? ''
+const lineTargetMode = (process.env.LINE_TARGET_MODE ?? 'local').toLowerCase()
+const lineTargetId =
+  process.env.LINE_TARGET_ID ??
+  (lineTargetMode === 'prod'
+    ? process.env.LINE_TARGET_ID_PROD ?? ''
+    : process.env.LINE_TARGET_ID_LOCAL ?? '')
 
 const pool =
   missingEnv.length === 0
@@ -39,10 +47,64 @@ app.get('/api/health', (_request, response) => {
     ok: true,
     dbReady: Boolean(pool),
     distReady,
+    lineReady: Boolean(lineAccessToken && lineTargetId),
+    lineTargetMode,
     missingEnv,
   })
 })
 
+app.post('/api/line/push-match-results', async (request, response) => {
+  const { time, teams } = request.body ?? {}
+
+  if (typeof time !== 'string' || !Array.isArray(teams)) {
+    response.status(400).json({
+      ok: false,
+      message: '送出的 LINE 訊息資料格式不正確。',
+    })
+    return
+  }
+
+  if (!lineAccessToken || !lineTargetId) {
+    response.status(500).json({
+      ok: false,
+      message:
+        'LINE 推播環境變數缺少，請檢查 LINE_CHANNEL_ACCESS_TOKEN 與 LINE_TARGET_ID_LOCAL / LINE_TARGET_ID_PROD。',
+    })
+    return
+  }
+
+  try {
+    const message = buildLineFlexMessage(time, teams)
+    const lineResponse = await fetch('https://api.line.me/v2/bot/message/push', {
+      method: 'POST',
+      headers: {
+        Authorization: `Bearer ${lineAccessToken}`,
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify({
+        to: lineTargetId,
+        messages: [message],
+      }),
+    })
+
+    if (!lineResponse.ok) {
+      const errorText = await lineResponse.text()
+      throw new Error(`LINE 推播失敗：${errorText}`)
+    }
+
+    response.json({
+      ok: true,
+      message: '已推送到 LINE。',
+    })
+  } catch (error) {
+    console.error('line push error:', error)
+    response.status(500).json({
+      ok: false,
+      message: error instanceof Error ? error.message : 'LINE 推播失敗。',
+    })
+  }
+})
+
 app.get('/api/match-results/:time', async (request, response) => {
   if (!pool) {
     response.status(500).json({
@@ -172,6 +234,7 @@ if (distReady) {
 app.listen(port, () => {
   console.log(`Server ready on http://localhost:${port}`)
   console.log(`Static files: ${distReady ? 'loaded' : 'missing'}`)
+  console.log(`LINE target mode: ${lineTargetMode}`)
   if (missingEnv.length > 0) {
     console.log(`Missing env: ${missingEnv.join(', ')}`)
   }
@@ -187,3 +250,102 @@ async function ensureTable(poolInstance, currentTableName) {
     ) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci
   `)
 }
+
+function buildLineFlexMessage(time, rounds) {
+  const dateText = `${time.slice(0, 4)}-${time.slice(4, 6)}-${time.slice(6, 8)}`
+
+  return {
+    type: 'flex',
+    altText: `${dateText} 羽球隊伍配對`,
+    contents: {
+      type: 'carousel',
+      contents: rounds.map((round, roundIndex) => ({
+        type: 'bubble',
+        size: 'micro',
+        body: {
+          type: 'box',
+          layout: 'vertical',
+          contents: [
+            {
+              type: 'text',
+              text: '勝皇羽球團',
+              weight: 'bold',
+              color: '#1DB446',
+              size: 'sm',
+            },
+            {
+              type: 'text',
+              text: dateText,
+              weight: 'bold',
+              size: 'xl',
+              margin: 'sm',
+            },
+            {
+              type: 'text',
+              text: `第${roundIndex + 1}輪`,
+              weight: 'bold',
+              size: 'xxl',
+              margin: 'sm',
+            },
+            {
+              type: 'separator',
+              margin: 'md',
+            },
+            {
+              type: 'box',
+              layout: 'horizontal',
+              contents: [
+                {
+                  type: 'text',
+                  text: '一號隊友',
+                  size: 'sm',
+                  flex: 0,
+                },
+                {
+                  type: 'text',
+                  text: '二號隊友',
+                  size: 'sm',
+                  align: 'center',
+                },
+              ],
+              margin: 'md',
+            },
+            {
+              type: 'separator',
+              margin: 'sm',
+            },
+            {
+              type: 'box',
+              layout: 'vertical',
+              spacing: 'sm',
+              margin: 'md',
+              contents: round.teams.map((team) => ({
+                type: 'box',
+                layout: 'horizontal',
+                contents: [
+                  {
+                    type: 'text',
+                    text: team.a,
+                    size: 'sm',
+                    flex: 0,
+                  },
+                  {
+                    type: 'text',
+                    text: team.b,
+                    size: 'sm',
+                    align: 'center',
+                  },
+                ],
+              })),
+            },
+          ],
+        },
+        styles: {
+          footer: {
+            separator: true,
+          },
+        },
+      })),
+    },
+  }
+}