#!/bin/bash

LOCAL_REPO_DIR="/home/limingjie/LMJ_Work/RobotCompetition/OmniSocketGo"
KCP_PEER_BIN="./bin/kcppeer"
OUTPUT_ROOT="/home/limingjie/LMJ_Work/RobotCompetition/KCPData/BCAlogs/"
PEERB_POLL_INTERVAL_SEC=5
PEERB_MAX_POLLS=180
PEER_A_EXIT_WAIT_SEC=5

require_local_binary() {
  if [ ! -x "$1" ]; then
    echo "ERROR: 缺少可执行文件 $1"
    exit 1
  fi
}

cleanup_remote_peerb() {
  ssh omni-peer bash -s <<'EOF'
pids=$(ps -eo pid=,args= | awk '/[b]in\/kcppeer -id peer-b/ {print $1}')
if [ -n "$pids" ]; then
  kill $pids 2>/dev/null || true
fi
pids=$(ps -eo pid=,args= | awk '/\/tmp\/peerb_batch\.sh/ {print $1}')
if [ -n "$pids" ]; then
  kill $pids 2>/dev/null || true
fi
rm -f /tmp/peerb_batch_done /tmp/peerb_batch.sh /tmp/peerb_commands
EOF
}

echo "=== 开始自动化测试 ==="

cd "$LOCAL_REPO_DIR"
require_local_binary "$KCP_PEER_BIN"

echo ">>> 0. 清理上次残留进程..."
pkill -f 'bin/kcppeer -id peer-a' 2>/dev/null || true
cleanup_remote_peerb || exit 1

rm -rf logs
rm -rf inbox/a
mkdir -p logs inbox/a

# 1. 清理残留 & 启动 Server D
echo ">>> 1. 启动 Server D..."

ssh bj-txy bash -s <<'EOF'
pkill -f kcpserver 2>/dev/null || true
pkill -f 'bin/kcpserver' 2>/dev/null || true
sleep 1
cd /home/ubuntu/OmniSocketGo
rm -rf logs
mkdir -p logs
if [ ! -x ./bin/kcpserver ]; then
  echo "ERROR: 缺少 ./bin/kcpserver"
  exit 1
fi
setsid ./bin/kcpserver -listen 0.0.0.0:10909 \
  -telemetry-peer peer-a-telemetry \
  -kcp-ts-debug-log logs/d-kcp-ts.jsonl \
  -kcp-session-stats-log logs/d-kcp-stats.jsonl > server_console.log 2>&1 </dev/null &
echo "server D launched (pid=$!)"
EOF

# 等待 server D 端口就绪
echo "    等待 Server D 端口就绪..."
for i in $(seq 1 60); do
  if ssh bj-txy "ss -ulnp | grep -q 10909" 2>/dev/null; then
    echo "    Server D 就绪 (${i}s)"
    break
  fi
  if [ "$i" -eq 60 ]; then
    echo "    ERROR: Server D 60s 内未就绪，退出"
    exit 1
  fi
  sleep 1
done

# 2. 启动本地 Peer-A
echo ">>> 2. 启动本地 Peer-A..."
PEER_A_CMD_FIFO="/tmp/peera_commands_$$"
rm -f "$PEER_A_CMD_FIFO"
mkfifo "$PEER_A_CMD_FIFO"
nohup "$KCP_PEER_BIN" \
  -id peer-a \
  -server 81.70.156.140:10909 \
  -inbox-dir inbox/a \
  -latency-log logs/a-latency.jsonl \
  -kcp-ts-debug-log logs/a-kcp-ts.jsonl \
  -kcp-session-stats-log logs/a-kcp-stats.jsonl \
  < "$PEER_A_CMD_FIFO" > logs/peera_console.log 2>&1 &
PEER_A_PID=$!
exec 4>"$PEER_A_CMD_FIFO"

# 等待 peer-a 注册成功
echo "    等待 Peer-A 注册..."
for i in $(seq 1 30); do
  if grep -Eq "opened KCP session as peer-a|connected to .* as peer-a( \\(KCP\\))?" logs/peera_console.log 2>/dev/null; then
    echo "    Peer-A 就绪 (${i}s)"
    break
  fi
  if [ "$i" -eq 30 ]; then
    echo "    WARNING: Peer-A 30s 内未就绪"
  fi
  sleep 1
done

# 3. 在远端后台启动 peer-b 整个发送流程，不依赖长 SSH 连接
echo ">>> 3. 启动远端 Peer-B 并执行 50 轮打流测试..."
ssh omni-peer "cd /home/boll/LMJWork/OmniSocketGo && rm -rf logs inbox/b && mkdir -p logs inbox/b"

PEERB_DONE_FLAG="/tmp/peerb_batch_done"
PEERB_BATCH_SCRIPT="/tmp/peerb_batch.sh"

# 把整个发送脚本写到远端，setsid 后台执行
ssh omni-peer bash -s <<'DEPLOY_SCRIPT'
DONE_FLAG="/tmp/peerb_batch_done"
BATCH_SCRIPT="/tmp/peerb_batch.sh"
rm -f "$DONE_FLAG"

cat > "$BATCH_SCRIPT" <<'INNER_EOF'
#!/bin/bash
cd /home/boll/LMJWork/OmniSocketGo

CMD_FIFO=/tmp/peerb_commands
DONE_FLAG="/tmp/peerb_batch_done"
rm -f "$CMD_FIFO" "$DONE_FLAG"
mkfifo "$CMD_FIFO"

if [ ! -x ./bin/kcppeer ]; then
  echo "ERROR: 缺少 ./bin/kcppeer" > logs/peerb_console.log
  echo "error" > "$DONE_FLAG"
  exit 1
fi

# 启动 peer-b
./bin/kcppeer \
  -id peer-b \
  -server 81.70.156.140:10909 \
  -inbox-dir inbox/b \
  -latency-log logs/b-latency.jsonl \
  -kcp-ts-debug-log logs/b-kcp-ts.jsonl \
  -kcp-session-stats-log logs/b-kcp-stats.jsonl \
  < "$CMD_FIFO" > logs/peerb_console.log 2>&1 &
PEER_B_PID=$!

exec 3>"$CMD_FIFO"

# 等 peer-b 就绪
for i in $(seq 1 60); do
  if grep -Eq "opened KCP session as peer-b|connected to .* as peer-b( \\(KCP\\))?" logs/peerb_console.log 2>/dev/null; then
    break
  fi
  sleep 1
done

# 50 轮发送
for i in $(seq 1 50); do
  echo "file peer-a /home/boll/test30.bin" >&3
  sleep 1
  echo "file peer-a /home/boll/test5.bin" >&3
  sleep 1
done

sleep 5
echo "quit" >&3
exec 3>&-
rm -f "$CMD_FIFO"

peer_b_exited=0
for i in $(seq 1 15); do
  if ! kill -0 $PEER_B_PID 2>/dev/null; then
    peer_b_exited=1
    break
  fi
  sleep 1
done

if [ "$peer_b_exited" -eq 0 ]; then
  kill $PEER_B_PID 2>/dev/null || true
  sleep 1
fi

if kill -0 $PEER_B_PID 2>/dev/null; then
  kill -9 $PEER_B_PID 2>/dev/null || true
fi

wait $PEER_B_PID 2>/dev/null || true

# 写完成标记
echo "done" > "$DONE_FLAG"
INNER_EOF

chmod +x "$BATCH_SCRIPT"
setsid bash "$BATCH_SCRIPT" </dev/null >/dev/null 2>&1 &
echo "peer-b batch launched in background"
DEPLOY_SCRIPT

# 本地轮询等待远端完成（短 SSH 连接，不怕断开）
echo "    等待 peer-b 发送完成（预计 ~110 秒）..."
for i in $(seq 1 "$PEERB_MAX_POLLS"); do
  PEERB_STATUS=$(ssh omni-peer "cat /tmp/peerb_batch_done 2>/dev/null || true")
  if [ "$PEERB_STATUS" = "done" ]; then
    ELAPSED_SEC=$(( (i - 1) * PEERB_POLL_INTERVAL_SEC ))
    echo "    peer-b 发送完成（约 ${ELAPSED_SEC}s）"
    break
  fi
  if [ "$PEERB_STATUS" = "error" ]; then
    echo "    ERROR: peer-b 后台任务启动失败，请检查远端 logs/peerb_console.log"
    exit 1
  fi
  if [ "$i" -eq "$PEERB_MAX_POLLS" ]; then
    echo "    ERROR: peer-b $((PEERB_MAX_POLLS * PEERB_POLL_INTERVAL_SEC))s 内未完成"
    exit 1
  fi
  sleep "$PEERB_POLL_INTERVAL_SEC"
done

# 4. 清理
echo ">>> 4. 清理所有进程..."
sleep 2
echo "quit" >&4 || true
exec 4>&-
for i in $(seq 1 "$PEER_A_EXIT_WAIT_SEC"); do
  if ! kill -0 "$PEER_A_PID" 2>/dev/null; then
    break
  fi
  sleep 1
done
if kill -0 "$PEER_A_PID" 2>/dev/null; then
  kill "$PEER_A_PID" 2>/dev/null || true
fi
wait "$PEER_A_PID" 2>/dev/null || true
rm -f "$PEER_A_CMD_FIFO"
ssh bj-txy "pkill -f kcpserver || true; pkill -f 'bin/kcpserver' || true"

# 获取当前时间戳，格式为 YYYYMMDD_HHMMSS
TIMESTAMP=$(date +"%Y%m%d_%H%M%S")
OUTPUT_DIR="$OUTPUT_ROOT/$TIMESTAMP"

# 5. 拉取数据 & 生成报告
echo ">>> 5. 拉取数据并生成汇总报告..."
mkdir -p "$OUTPUT_DIR"
scp -o ServerAliveInterval=15 -P 10022 boll@175.178.116.187:/home/boll/LMJWork/OmniSocketGo/logs/b-latency.jsonl "$LOCAL_REPO_DIR/logs/b-latency.jsonl" || exit 1

(cd "$LOCAL_REPO_DIR/go" && go run ./cmd/latencysummary \
  -input "$LOCAL_REPO_DIR/logs/a-latency.jsonl" \
  -input "$LOCAL_REPO_DIR/logs/b-latency.jsonl" \
  -output "$LOCAL_REPO_DIR/logs/latency-summary.jsonl") || exit 1

cd "$LOCAL_REPO_DIR/.." || exit 1
mv "$LOCAL_REPO_DIR/logs/a-latency.jsonl" "$OUTPUT_DIR/a-latency.jsonl" || exit 1
mv "$LOCAL_REPO_DIR/logs/b-latency.jsonl" "$OUTPUT_DIR/b-latency.jsonl" || exit 1
mv "$LOCAL_REPO_DIR/logs/latency-summary.jsonl" "$OUTPUT_DIR/latency-summary.jsonl" || exit 1
if [ -f "$LOCAL_REPO_DIR/logs/latency-summary.html" ]; then
  mv "$LOCAL_REPO_DIR/logs/latency-summary.html" "$OUTPUT_DIR/latency-summary.html" || exit 1
fi

echo "=== 测试完成！==="