pragma Singleton
import QtQuick
import Quickshell
import Quickshell.Io
import "../../../../config"

QtObject {
    id: root

    property string status: "..."

    property string interfaceName: ""
    property string interfaceType: ""
    property string connectionName: ""
    property string ipv4: ""
    property string signalStrength: ""
    property string wifiChannel: ""
    property string wifiFrequency: ""
    property string linkSpeed: ""
    property string downloadSpeed: ""
    property string uploadSpeed: ""
    property string ping: ""
    property bool internetAvailable: false
    property bool vpnConnected: false
    property string vpnName: ""
    property string vpnIp: ""
    property bool tailscaleConnected: false
    property string tailscaleIp: ""

    property bool running: false

    property string _activeDevice: ""
    property real _prevRxBytes: 0
    property real _prevTxBytes: 0
    property var _prevUpdateTime: 0

    property Timer networkTimer: Timer {
        interval: 10000
        repeat: true
        running: true
        onTriggered: networkScript.running = true
    }

    property Process networkScript: Process {
        command: ["sh", "-c",
            "echo '===SHOW==='; " +
            "ACTIVE=$(nmcli -t device status 2>/dev/null | awk -F: '$3==\"connected\"{print $1; exit}'); " +
            "echo \"ACTIVE_DEVICE=$ACTIVE\"; " +
            "if [ -n \"$ACTIVE\" ]; then " +
            "  nmcli -t -f ALL device show \"$ACTIVE\" 2>/dev/null; " +
            "fi; " +
            "echo '===TRAFFIC==='; " +
            "if [ -n \"$ACTIVE\" ]; then " +
            "  echo \"RX_BYTES=$(cat /sys/class/net/$ACTIVE/statistics/rx_bytes 2>/dev/null || echo 0)\"; " +
            "  echo \"TX_BYTES=$(cat /sys/class/net/$ACTIVE/statistics/tx_bytes 2>/dev/null || echo 0)\"; " +
            "fi; " +
            "echo '===WIFI==='; " +
            "nmcli -t -f active,ssid,signal,chan,freq,rate dev wifi | awk -F: '$1==\"yes\" { $1=\"\"; sub(/^:/,\"\"); print }'; " +
            "echo '===PING==='; " +
            "ping -c 1 -W 2 1.1.1.1 2>/dev/null | awk -F/ '/rtt/{print $5}' || echo ''; " +
            "echo '===INTERNET==='; " +
            "ping -c 1 -W 1 1.1.1.1 2>/dev/null >/dev/null && echo 1 || echo 0; " +
            "echo '===VPN==='; " +
            "nmcli -t -f NAME,TYPE connection show --active 2>/dev/null | grep -i vpn || true; " +
            "echo '===TAILSCALE==='; " +
            "TAIL_IP=$(ip -4 addr show tailscale0 2>/dev/null | grep -oP 'inet \\K[\\d.]+'); " +
            "if [ -n \"$TAIL_IP\" ]; then echo \"TAILSCALE_IP=$TAIL_IP\"; else echo \"\"; fi"
        ]

        stdout: StdioCollector {
            onStreamFinished: root.parseNetworkOutput(text.trim())
        }
    }

    function formatSpeed(bytesPerSec) {
        if (bytesPerSec >= 1073741824) return (bytesPerSec / 1073741824).toFixed(1) + " GB/s"
        if (bytesPerSec >= 1048576) return (bytesPerSec / 1048576).toFixed(1) + " MB/s"
        if (bytesPerSec >= 1024) return (bytesPerSec / 1024).toFixed(1) + " KB/s"
        return bytesPerSec.toFixed(0) + " B/s"
    }

    function parseNetworkOutput(output) {
        var sections = output.split("===TAILSCALE===")
        var tailscaleSection = sections.length > 1 ? sections[1].trim() : ""

        var beforeTailscale = sections[0]
        sections = beforeTailscale.split("===VPN===")
        var vpnSection = sections.length > 1 ? sections[1].trim() : ""

        var beforeVpn = sections[0]
        sections = beforeVpn.split("===INTERNET===")
        root.internetAvailable = sections.length > 1 ? sections[1].trim() === "1" : false

        var beforeInternet = sections[0]
        sections = beforeInternet.split("===PING===")
        root.ping = sections.length > 1 ? sections[1].trim() : ""

        var beforePing = sections[0]
        sections = beforePing.split("===WIFI===")
        var wifiSection = sections.length > 1 ? sections[1].trim() : ""

        var beforeWifi = sections[0]
        sections = beforeWifi.split("===TRAFFIC===")
        var trafficSection = sections.length > 1 ? sections[1].trim() : ""

        var beforeTraffic = sections[0]
        sections = beforeTraffic.split("===SHOW===")
        var showSection = sections.length > 1 ? sections[1].trim() : ""

        // Parse SHOW section
        var activeDevice = ""
        var lines = showSection.split("\n")
        for (var i = 0; i < lines.length; i++) {
            var line = lines[i].trim()
            if (line.indexOf("ACTIVE_DEVICE=") === 0) {
                activeDevice = line.substring("ACTIVE_DEVICE=".length)
            } else if (line.indexOf("GENERAL.DEVICE:") === 0) {
                root.interfaceName = line.substring("GENERAL.DEVICE:".length)
            } else if (line.indexOf("GENERAL.TYPE:") === 0) {
                root.interfaceType = line.substring("GENERAL.TYPE:".length)
            } else if (line.indexOf("GENERAL.CONNECTION:") === 0) {
                root.connectionName = line.substring("GENERAL.CONNECTION:".length)
            } else if (line.indexOf("IP4.ADDRESS") >= 0) {
                var ipPart = line.substring(line.indexOf(":") + 1)
                root.ipv4 = ipPart.split("/")[0]
            }
        }

        // Parse TRAFFIC section
        if (trafficSection) {
            var trafficLines = trafficSection.split("\n")
            var rxBytes = 0
            var txBytes = 0
            for (var t = 0; t < trafficLines.length; t++) {
                var tline = trafficLines[t].trim()
                if (tline.indexOf("RX_BYTES=") === 0) rxBytes = parseFloat(tline.substring("RX_BYTES=".length))
                else if (tline.indexOf("TX_BYTES=") === 0) txBytes = parseFloat(tline.substring("TX_BYTES=".length))
            }

            // console.log("[Network] rxBytes:", rxBytes, "txBytes:", txBytes)
            // console.log("[Network] activeDevice:", activeDevice, "| prevActiveDevice:", root._activeDevice)
            // console.log("[Network] prevRxBytes:", root._prevRxBytes, "prevTxBytes:", root._prevTxBytes, "prevTime:", root._prevUpdateTime)

            if (activeDevice === root._activeDevice && root._prevRxBytes > 0 && root._prevUpdateTime > 0) {
                var now = Date.now()
                var interval = (now - root._prevUpdateTime) / 1000
                // console.log("[Network] Same device, interval:", interval, "s")
                // console.log("[Network] rxDelta:", (rxBytes - root._prevRxBytes), "txDelta:", (txBytes - root._prevTxBytes))
                if (interval > 0) {
                    var downBps = (rxBytes - root._prevRxBytes) / interval
                    var upBps = (txBytes - root._prevTxBytes) / interval
                    // console.log("[Network] downBps:", downBps, "upBps:", upBps)
                    root.downloadSpeed = root.formatSpeed(downBps)
                    root.uploadSpeed = root.formatSpeed(upBps)
                    // console.log("[Network] downloadSpeed:", root.downloadSpeed, "uploadSpeed:", root.uploadSpeed)
                } else {
                    console.log("[Network] Interval zero or negative, skipping")
                }
            } else {
                // console.log("[Network] First run or device changed, storing baseline")
                root.downloadSpeed = ""
                root.uploadSpeed = ""
            }

            root._activeDevice = activeDevice
            root._prevRxBytes = rxBytes
            root._prevTxBytes = txBytes
            root._prevUpdateTime = Date.now()
            // console.log("[Network] Stored baseline: rxBytes:", root._prevRxBytes, "txBytes:", root._prevTxBytes)
        }

        // Parse WIFI section
        if (wifiSection) {
            var wifiParts = wifiSection.split(" ")
            if (wifiParts.length >= 2) {
                root.signalStrength = wifiParts[1] || ""
                if (wifiParts.length >= 3) root.wifiChannel = wifiParts[2] || ""
                if (wifiParts.length >= 4) root.wifiFrequency = wifiParts[3] + " " + wifiParts[4] || ""
                if (wifiParts.length >= 5) root.linkSpeed = wifiParts[5] + " " + wifiParts[6] || ""
            }
        }

        // Determine status icon
        if (root.interfaceType === "ethernet") {
            root.status = "󰈀"
        } else if (root.interfaceType === "wifi") {
            if (!root.connectionName) {
                root.status = "󰤭"
            } else {
                var sig = parseInt(root.signalStrength)
                if (sig > 80) root.status = "󰤨"
                else if (sig > 60) root.status = "󰤥"
                else if (sig > 40) root.status = "󰤢"
                else if (sig > 20) root.status = "󰤟"
                else root.status = "󰤯"
            }
        } else if (!activeDevice) {
            root.status = "󰤭/󱐤"
        }

        // Parse VPN section
        if (vpnSection) {
            root.vpnConnected = true
            var vpnLines = vpnSection.split("\n")
            if (vpnLines.length > 0) {
                var vpnParts = vpnLines[0].split(":")
                root.vpnName = vpnParts[0] || ""
            }
        } else {
            root.vpnConnected = false
            root.vpnName = ""
            root.vpnIp = ""
        }

        // Parse TAILSCALE section
        if (tailscaleSection && tailscaleSection.indexOf("TAILSCALE_IP=") === 0) {
            root.tailscaleConnected = true
            root.tailscaleIp = tailscaleSection.substring("TAILSCALE_IP=".length)
        } else {
            root.tailscaleConnected = false
            root.tailscaleIp = ""
        }
    }

    Component.onCompleted: {
        networkScript.running = true
    }
}