import QtQuick
import Quickshell
import Quickshell.Io

Item {
    id: root
    property var pluginApi: null

    property int chargeLimit: 100
    property bool reading: false

    readonly property string sysPath: "/sys/class/power_supply/BAT1/charge_control_end_threshold"

    Component.onCompleted: readLimit()

    Timer {
        interval: 5000
        running: true
        repeat: true
        onTriggered: readLimit()
    }

    function readLimit() {
        if (reading) return
        reading = true
        readProcess.running = true
    }

    function toggle() {
        var newVal = (chargeLimit >= 100) ? 80 : 100
        writeStdout = ""
        writeStderr = ""
        writeProcess.command = ["pkexec", "tee", sysPath]
        writeProcess.running = true
        writeProcess.write(newVal + "\n")
        writeProcess.closeWriteChannel()
    }

    // --- read current value ---
    property string readStdout: ""

    Process {
        id: readProcess
        command: ["cat", root.sysPath]
        onExited: function(exitCode, exitStatus) {
            if (exitCode === 0) {
                var val = parseInt(readStdout.trim(), 10)
                if (!isNaN(val)) root.chargeLimit = val
            }
            readStdout = ""
            root.reading = false
        }
        stdout: SplitParser {
            onRead: data => root.readStdout += data
        }
    }

    // --- write new value ---
    property string writeStdout: ""
    property string writeStderr: ""

    Process {
        id: writeProcess
        onExited: function(exitCode, exitStatus) {
            if (exitCode === 0) {
                Qt.callLater(readLimit)
            } else {
                console.error("[battery-limit] pkexec tee failed: " + writeStderr)
            }
            writeStdout = ""
            writeStderr = ""
        }
        stdout: SplitParser {
            onRead: data => root.writeStdout += data
        }
        stderr: SplitParser {
            onRead: data => root.writeStderr += data
        }
    }
}