// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.

import QtQuick
import "../.."

Column {
    id: page

    required property var bt
    signal back

    spacing: 14

    // --- Adapter ---

    Item {
        width: page.width
        implicitHeight: Math.max(btLabel.implicitHeight, powerSwitch.implicitHeight)

        Text {
            id: btLabel
            anchors.verticalCenter: parent.verticalCenter
            text: "Bluetooth"
            font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 1; bold: true }
            color: Theme.text
        }

        Switch {
            id: powerSwitch
            anchors { right: parent.right; verticalCenter: parent.verticalCenter }
            enabled: page.bt.adapter !== null
            checked: page.bt.adapter ? page.bt.adapter.enabled : false
            onToggled: if (page.bt.adapter) page.bt.adapter.enabled = checked
        }
    }

    Text {
        width: page.width
        visible: !(page.bt.adapter && page.bt.adapter.enabled)
        text: "Bluetooth off"
        font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 2 }
        color: Theme.subtext
    }

    Item {
        width: page.width
        visible: page.bt.adapter && page.bt.adapter.enabled
        implicitHeight: Math.max(visLabel.implicitHeight, visSwitch.implicitHeight)

        Text {
            id: visLabel
            anchors.verticalCenter: parent.verticalCenter
            text: "Visible"
            font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 2 }
            color: Theme.text
        }

        Switch {
            id: visSwitch
            anchors { right: parent.right; verticalCenter: parent.verticalCenter }
            enabled: page.bt.adapter !== null
            checked: page.bt.adapter ? page.bt.adapter.discoverable : false
            onToggled: if (page.bt.adapter) page.bt.adapter.discoverable = checked
        }
    }

    Row {
        width: page.width
        visible: page.bt.adapter && page.bt.adapter.enabled
        spacing: 8

        Button {
            text: page.bt.adapter && page.bt.adapter.discovering ? "Stop scan" : "Scan"
            onClicked: if (page.bt.adapter) page.bt.adapter.discovering = !page.bt.adapter.discovering
        }
    }

    // --- Connected ---

    Text {
        width: page.width
        visible: page.bt.connectedDevices.length > 0
        text: "Connected"
        font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 2; bold: true }
        color: Theme.subtext
    }

    Repeater {
        model: page.bt.connectedDevices

        BluetoothRow {
            required property var modelData
            bt: page.bt
            device: modelData
            width: page.width
        }
    }

    // --- Paired ---

    Text {
        width: page.width
        visible: page.bt.pairedDevices.length > 0
        text: "Paired"
        font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 2; bold: true }
        color: Theme.subtext
    }

    Repeater {
        model: page.bt.pairedDevices

        BluetoothRow {
            required property var modelData
            bt: page.bt
            device: modelData
            width: page.width
        }
    }

    // --- Available (found while scanning, not yet paired) ---

    Text {
        width: page.width
        visible: page.bt.availableDevices.length > 0
        text: "Available"
        font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 2; bold: true }
        color: Theme.subtext
    }

    Repeater {
        model: page.bt.availableDevices

        Rectangle {
            required property var modelData

            width: page.width
            implicitHeight: availText.implicitHeight + 16
            radius: 8
            color: Qt.alpha(Theme.surface, 0.35)

            Text {
                id: availText
                anchors { left: parent.left; leftMargin: 10; verticalCenter: parent.verticalCenter }
                width: parent.width - pairBtn.width - 28
                elide: Text.ElideRight
                text: page.bt.pairing.busy && page.bt.pairing.address === modelData.address
                    ? "Pairing…"
                    : (modelData.name || modelData.deviceName || modelData.address)
                font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 2 }
                color: Theme.text
            }

            Button {
                id: pairBtn
                anchors { right: parent.right; rightMargin: 8; verticalCenter: parent.verticalCenter }
                text: "Pair"
                enabled: !page.bt.pairing.busy
                onClicked: page.bt.pairing.pair(modelData.address)
            }
        }
    }

    Text {
        width: page.width
        visible: page.bt.pairing.error !== ""
        wrapMode: Text.Wrap
        text: page.bt.pairing.error
        font { family: Theme.fontFamily; pixelSize: Theme.fontSize - 3 }
        color: Theme.red
    }
}