import QtQuick 2.7
import QtQuick.Controls 2.0
import QtQuick.Layouts 1.3

import Common 1.0
import Linphone 1.0

ScrollableListView {
  id: chat

  model: ListModel {
    ListElement { $dateSection: 1465389121000; $outgoing: true; $timestamp: 1465389121000; $type: 'message'; $content: 'This is it: fefe efzzzzzzzzzz aaaaaaaaa erfeezffeefzfzefzefzezfefez wfef efef  e efeffefe fee efefefeefef fefefefefe eff fefefe fefeffww.linphone.org' }
    ListElement { $dateSection: 1465389121000; $timestamp: 1465389133000; $type: 'event'; $content: 'incoming_call' }
    ListElement { $dateSection: 1465389121000; $timestamp: 1465389439000; $type: 'message'; $content: 'Perfect!' }
    ListElement { $dateSection: 1465389121000; $timestamp: 1465389500000; $type: 'event'; $content: 'hangup' }
    ListElement { $dateSection: 1465994221000; $outgoing: true; $timestamp: 1465924321000; $type: 'message'; $content: 'You\'ve heard the expression, "Just believe it and it will come." Well, technically, that is true, however, \'believing\' is not just thinking that you can have it...' }
    ListElement { $dateSection: 1465994221000; $timestamp: 1465924391000; $type: 'event'; $content: 'lost_incoming_call' }
  }

  Component {
    id: sectionHeading

    Item {
      implicitHeight: text.height +
        container.anchors.topMargin +
        container.anchors.bottomMargin
      width: parent.width

      Item {
        anchors.bottomMargin: 10
        anchors.fill: parent
        anchors.leftMargin: 18
        anchors.topMargin: 20
        id: container

        Text {
          color: '#434343'
          font.bold: true
          id: text

          // Cast section to integer because Qt convert the
          // $dateSection in string!!!
          text: new Date(+section).toLocaleDateString(
            Qt.locale()
          )
        }
      }
    }
  }

  section.criteria: ViewSection.FullString
  section.delegate: sectionHeading
  section.property: '$dateSection'

  delegate: Rectangle {
    anchors.left: parent.left
    anchors.leftMargin: 18
    anchors.right: parent.right
    anchors.rightMargin: 18

    // Unable to use `height` property.
    // The height is given by message height.
    implicitHeight: layout.height + 10
    width: parent.width

    MouseArea {
      anchors.fill: parent
      hoverEnabled: true
      onEntered: parent.state = 'hover'
      onExited: parent.state = ''
    }

    RowLayout {
      id: layout
      spacing: 0

      // The height is computed with the message height.
      // Unable to use `height` and `implicitHeight` property.
      width: parent.width

      // Display time.
      Text {
        Layout.alignment: Qt.AlignTop
        Layout.preferredHeight: 30
        Layout.preferredWidth: 50
        color: '#898989'
        font.bold: $type === 'event'
        text: new Date($timestamp).toLocaleString(
          Qt.locale(),
          'hh:mm'
        )
        verticalAlignment: Text.AlignVCenter
      }

      // Icons area.
      Row {
        Layout.alignment: Qt.AlignTop
        Layout.preferredHeight: 30
        Layout.preferredWidth: 54
        spacing: 10

        Icon {
          anchors.verticalCenter: parent.verticalCenter
          icon: ($type === 'event' && $content) || ''
          iconSize: 16
        }

        ActionButton {
          anchors.verticalCenter: parent.verticalCenter
          icon: 'delete'
          iconSize: 16
          id: removeAction
          onClicked: chat.model.remove(index)
          visible: false
        }
      }

      // Display content.
      Loader {
        Layout.fillWidth: true
        id: loader
        source: $type === 'message'
          ? (
            'qrc:/ui/modules/Linphone/Chat/' +
              ($outgoing ? 'Outgoing' : 'Incoming') +
              'Message.qml'
          ) : 'qrc:/ui/modules/Linphone/Chat/Event.qml'
      }
    }

    states: State {
      name: 'hover'
      PropertyChanges { target: removeAction; visible: true }
    }
  }
}