import QtQuick
import qs.Common
import qs.Services
import qs.Widgets

Rectangle {
  id: processItem

  property var process: null
  property var contextMenu: null

  width: parent ? parent.width : 0
  height: 40
  radius: Theme.cornerRadius
  color: processMouseArea.containsMouse ? Qt.rgba(Theme.primary.r,
                                                  Theme.primary.g,
                                                  Theme.primary.b,
                                                  0.08) : "transparent"
  border.color: processMouseArea.containsMouse ? Qt.rgba(Theme.primary.r,
                                                         Theme.primary.g,
                                                         Theme.primary.b,
                                                         0.12) : "transparent"
  border.width: 1

  MouseArea {
    id: processMouseArea

    anchors.fill: parent
    hoverEnabled: true
    cursorShape: Qt.PointingHandCursor
    acceptedButtons: Qt.LeftButton | Qt.RightButton
    onClicked: mouse => {
                 if (mouse.button === Qt.RightButton) {
                   if (process && process.pid > 0 && contextMenu) {
                     contextMenu.processData = process
                     let globalPos = processMouseArea.mapToGlobal(mouse.x,
                                                                  mouse.y)
                     let localPos = contextMenu.parent ? contextMenu.parent.mapFromGlobal(
                                                           globalPos.x,
                                                           globalPos.y) : globalPos
                     contextMenu.show(localPos.x, localPos.y)
                   }
                 }
               }
    onPressAndHold: {
      if (process && process.pid > 0 && contextMenu) {
        contextMenu.processData = process
        let globalPos = processMouseArea.mapToGlobal(
              processMouseArea.width / 2, processMouseArea.height / 2)
        contextMenu.show(globalPos.x, globalPos.y)
      }
    }
  }

  Item {
    anchors.fill: parent
    anchors.margins: 8

    DankIcon {
      id: processIcon

      name: DgopService.getProcessIcon(process ? process.command : "")
      size: Theme.iconSize - 4
      color: {
        if (process && process.cpu > 80)
          return Theme.error

        if (process && process.cpu > 50)
          return Theme.warning

        return Theme.surfaceText
      }
      opacity: 0.8
      anchors.left: parent.left
      anchors.verticalCenter: parent.verticalCenter
    }

    StyledText {
      text: process ? process.displayName : ""
      font.pixelSize: Theme.fontSizeSmall
      font.family: SettingsData.monoFontFamily
      font.weight: Font.Medium
      color: Theme.surfaceText
      width: 250
      elide: Text.ElideRight
      anchors.left: processIcon.right
      anchors.leftMargin: 8
      anchors.verticalCenter: parent.verticalCenter
    }

    Rectangle {
      id: cpuBadge

      width: 80
      height: 20
      radius: Theme.cornerRadius
      color: {
        if (process && process.cpu > 80)
          return Qt.rgba(Theme.error.r, Theme.error.g, Theme.error.b, 0.12)

        if (process && process.cpu > 50)
          return Qt.rgba(Theme.warning.r, Theme.warning.g,
                         Theme.warning.b, 0.12)

        return Qt.rgba(Theme.surfaceText.r, Theme.surfaceText.g,
                       Theme.surfaceText.b, 0.08)
      }
      anchors.right: parent.right
      anchors.rightMargin: 194
      anchors.verticalCenter: parent.verticalCenter

      StyledText {
        text: DgopService.formatCpuUsage(process ? process.cpu : 0)
        font.pixelSize: Theme.fontSizeSmall
        font.family: SettingsData.monoFontFamily
        font.weight: Font.Bold
        color: {
          if (process && process.cpu > 80)
            return Theme.error

          if (process && process.cpu > 50)
            return Theme.warning

          return Theme.surfaceText
        }
        anchors.centerIn: parent
      }
    }

    Rectangle {
      id: memoryBadge

      width: 80
      height: 20
      radius: Theme.cornerRadius
      color: {
        if (process && process.memoryKB > 1024 * 1024)
          return Qt.rgba(Theme.error.r, Theme.error.g, Theme.error.b, 0.12)

        if (process && process.memoryKB > 512 * 1024)
          return Qt.rgba(Theme.warning.r, Theme.warning.g,
                         Theme.warning.b, 0.12)

        return Qt.rgba(Theme.surfaceText.r, Theme.surfaceText.g,
                       Theme.surfaceText.b, 0.08)
      }
      anchors.right: parent.right
      anchors.rightMargin: 102
      anchors.verticalCenter: parent.verticalCenter

      StyledText {
        text: DgopService.formatMemoryUsage(
                process ? process.memoryKB : 0)
        font.pixelSize: Theme.fontSizeSmall
        font.family: SettingsData.monoFontFamily
        font.weight: Font.Bold
        color: {
          if (process && process.memoryKB > 1024 * 1024)
            return Theme.error

          if (process && process.memoryKB > 512 * 1024)
            return Theme.warning

          return Theme.surfaceText
        }
        anchors.centerIn: parent
      }
    }

    StyledText {
      text: process ? process.pid.toString() : ""
      font.pixelSize: Theme.fontSizeSmall
      font.family: SettingsData.monoFontFamily
      color: Theme.surfaceText
      opacity: 0.7
      width: 50
      horizontalAlignment: Text.AlignRight
      anchors.right: parent.right
      anchors.rightMargin: 40
      anchors.verticalCenter: parent.verticalCenter
    }

    Rectangle {
      id: menuButton

      width: 28
      height: 28
      radius: Theme.cornerRadius
      color: menuButtonArea.containsMouse ? Qt.rgba(Theme.surfaceText.r,
                                                    Theme.surfaceText.g,
                                                    Theme.surfaceText.b,
                                                    0.08) : "transparent"
      anchors.right: parent.right
      anchors.verticalCenter: parent.verticalCenter

      DankIcon {
        name: "more_vert"
        size: Theme.iconSize - 2
        color: Theme.surfaceText
        opacity: 0.6
        anchors.centerIn: parent
      }

      MouseArea {
        id: menuButtonArea

        anchors.fill: parent
        hoverEnabled: true
        cursorShape: Qt.PointingHandCursor
        onClicked: {
          if (process && process.pid > 0 && contextMenu) {
            contextMenu.processData = process
            let globalPos = menuButtonArea.mapToGlobal(
                  menuButtonArea.width / 2, menuButtonArea.height)
            let localPos = contextMenu.parent ? contextMenu.parent.mapFromGlobal(
                                                  globalPos.x,
                                                  globalPos.y) : globalPos
            contextMenu.show(localPos.x, localPos.y)
          }
        }
      }

      Behavior on color {
        ColorAnimation {
          duration: Theme.shortDuration
        }
      }
    }
  }
}