#!/bin/bash
set -Eeuo pipefail

PORT=5173
WORKSPACE_PATH="/workspace"

cd $WORKSPACE_PATH

kill_port_if_listening() {
    local port="$PORT"
    local hex_port
    local inodes=""
    local pids=""

    # 转16进制端口（大端）
    hex_port=$(printf '%04X\n' "$port")

    # 找 TCP (IPv4)
    inodes+=$(awk -v port=":$hex_port" '$2 ~ port && $4 == "0A" {print $10}' /proc/net/tcp 2>/dev/null || true)

    # 找 TCP (IPv6)
    inodes+=" "
    inodes+=$(awk -v port=":$hex_port" '$2 ~ port && $4 == "0A" {print $10}' /proc/net/tcp6 2>/dev/null || true)

    inodes=$(echo "$inodes" | tr ' ' '\n' | sort -u | tr '\n' ' ')

    if [[ -z "$inodes" ]]; then
        return 0
    fi

    # 通过 inode 找 PID
    for inode in $inodes; do
        for pid in $(ls /proc | grep -E '^[0-9]+$'); do
            if ls -l /proc/$pid/fd 2>/dev/null | grep -q "socket:\[$inode\]"; then
                pids="$pids $pid"
            fi
        done
    done

    # 去重
    pids=$(echo "$pids" | tr ' ' '\n' | sort -u | tr '\n' ' ')
    pids="${pids#" "}"

    if [[ -z "$pids" ]]; then
        echo "Port ${port} has socket but no PID found."
        return 1
    fi

    kill -9 $pids 2>/dev/null || true
    sleep 1

    local check
    check=$(awk -v port=":$hex_port" '$2 ~ port && $4 == "0A"' /proc/net/tcp /proc/net/tcp6 2>/dev/null || true)

    if [[ -n "$check" ]]; then
        echo "Warning: port ${port} still busy after SIGKILL"
    fi
}

kill_port_if_listening

echo "Starting HTTP service on port ${PORT} for dev..."

pnpm dev -- --host 0.0.0.0 --port $PORT