import QtQuick
import Quickshell
import Quickshell.Io
import qs.Commons
import qs.Ui
import "Model.js" as Model

Panel {
  id: root
  moduleName: "omarchy.weather"
  ipcTarget: "omarchy.weather"
  manageIpc: false

  property string omarchyPath: Quickshell.env("OMARCHY_PATH")
  property var anchorItem: null
  property bool openedFromHotkey: false

  function open() {
    openedFromHotkey = false
    setCenterHoverRevealSuppressed(false)
    root.controller.show()
    root.refresh()
  }

  function openFromHotkey() {
    openedFromHotkey = true
    setCenterHoverRevealSuppressed(true)
    root.controller.show()
    root.refresh()
  }

  function close() {
    setCenterHoverRevealSuppressed(false)
    root.controller.hide()
  }

  function toggle() {
    if (root.opened) root.close()
    else root.openFromHotkey()
  }

  function setCenterHoverRevealSuppressed(value) {
    if (root.bar && "centerHoverRevealSuppressed" in root.bar)
      root.bar.centerHoverRevealSuppressed = value
  }

  // Parsed wttr.in j1 response. Kept on failure so stale data stays visible.
  property var report: null
  property var dailyForecastReport: null
  property string wttrLocation: ""

  // Bar pill state. Polled locally; populated by weatherProc below.
  property string label: ""
  property string klass: ""

  function updateWeather(raw) {
    var data = Model.parseWeatherStatus(raw)
    label = data.label
    klass = data.klass
  }

  readonly property var current: report && report.current_condition && report.current_condition[0] ? report.current_condition[0] : null
  readonly property var areaInfo: report && report.nearest_area && report.nearest_area[0] ? report.nearest_area[0] : null
  readonly property var forecastDays: buildForecastDays()
  readonly property string reportCountry: areaInfo && areaInfo.country && areaInfo.country[0] ? areaInfo.country[0].value : ""

  readonly property bool useImperial: Model.shouldUseImperial(setting("unit", ""), Qt.locale().name, reportCountry)

  // Auto-refresh interval in minutes; clamped to a sane minimum.
  readonly property int refreshMinutes: Math.max(1, parseInt(setting("refreshMinutes", 15), 10) || 15)

  readonly property string reportLocation:  wttrLocation || (areaInfo && areaInfo.areaName && areaInfo.areaName[0] ? areaInfo.areaName[0].value : "")
  readonly property string reportTempNum:   current ? String(useImperial ? current.temp_F : current.temp_C) : ""
  readonly property string tempUnit:        "°" + (useImperial ? "F" : "C")
  readonly property string reportFeels:     current ? formatTemp(useImperial ? current.FeelsLikeF : current.FeelsLikeC) : ""
  readonly property string reportWind:      current ? (useImperial ? (current.windspeedMiles + " mph") : (current.windspeedKmph + " km/h")) : ""
  readonly property string reportHumidity:  current ? (current.humidity + "%") : ""

  function refresh() {
    if (!forecastProc.running) forecastProc.running = true
    if (!locationProc.running) locationProc.running = true
  }

  function refreshDailyForecast(sourceReport) {
    var area = sourceReport && sourceReport.nearest_area && sourceReport.nearest_area[0] ? sourceReport.nearest_area[0] : root.areaInfo
    if (!area || dailyForecastProc.running) return

    var lat = parseFloat(String(area.latitude || ""))
    var lon = parseFloat(String(area.longitude || ""))
    if (isNaN(lat) || isNaN(lon)) return

    var url = "https://api.open-meteo.com/v1/forecast"
      + "?latitude=" + encodeURIComponent(String(lat))
      + "&longitude=" + encodeURIComponent(String(lon))
      + "&daily=weather_code,temperature_2m_max,temperature_2m_min"
      + "&forecast_days=4"
      + "&timezone=auto"
    dailyForecastProc.command = ["curl", "-fsS", "--max-time", "5", url]
    dailyForecastProc.running = true
  }

  function buildForecastDays() {
    return Model.buildForecastDays(report, dailyForecastReport, Qt.formatDate(new Date(), "yyyy-MM-dd"))
  }

  function openMeteoForecastDays() {
    return Model.openMeteoForecastDays(dailyForecastReport, Qt.formatDate(new Date(), "yyyy-MM-dd"))
  }

  function wttrNextForecastDays() {
    return Model.wttrNextForecastDays(report, Qt.formatDate(new Date(), "yyyy-MM-dd"))
  }

  function isFutureForecastDate(dateString) {
    return Model.isFutureForecastDate(dateString, Qt.formatDate(new Date(), "yyyy-MM-dd"))
  }

  function roundedTemp(value) {
    return Model.roundedTemp(value)
  }

  function celsiusToFahrenheit(value) {
    return Model.celsiusToFahrenheit(value)
  }

  function formatTemp(value) {
    return Model.formatTemp(value, useImperial)
  }

  function dayName(dateString) {
    return Model.dayName(dateString, function(date) { return Qt.formatDate(date, "dddd") })
  }

  // Bare degree value (no unit letter), used in the forecast row.
  function bareTempForDay(day, kind) {
    return Model.bareTempForDay(day, kind, useImperial)
  }

  // Representative icon for a forecast day: the hourly entry nearest noon.
  function dayIcon(day) {
    return Model.dayIcon(day)
  }

  function iconForOpenMeteoCode(code) {
    return Model.iconForOpenMeteoCode(code)
  }

  // Mirrors omarchy-weather-icon's wttr.in code → nerd-font glyph mapping.
  function iconForCode(code, night) {
    return Model.iconForCode(code, night)
  }

  Process {
    id: forecastProc
    command: ["bash", "-lc", "curl -fsS --max-time 5 'https://wttr.in/?format=j1' 2>/dev/null"]
    stdout: StdioCollector {
      waitForEnd: true
      onStreamFinished: {
        var raw = String(text || "").trim()
        if (!raw) return
        try {
          var parsed = JSON.parse(raw)
          root.report = parsed
          root.refreshDailyForecast(parsed)
        } catch (e) {
          // Keep last-good report on parse failure so the popup isn't blanked.
        }
      }
    }
  }

  Process {
    id: dailyForecastProc
    stdout: StdioCollector {
      waitForEnd: true
      onStreamFinished: {
        var raw = String(text || "").trim()
        if (!raw) return
        try {
          root.dailyForecastReport = JSON.parse(raw)
        } catch (e) {
          // Keep last-good daily forecast on parse failure.
        }
      }
    }
  }

  Process {
    id: locationProc
    command: ["bash", "-lc", "curl -fsS --max-time 4 'https://wttr.in?format=%l' 2>/dev/null"]
    stdout: StdioCollector {
      waitForEnd: true
      onStreamFinished: {
        var raw = String(text || "").trim()
        if (!raw) return
        root.wttrLocation = raw.split(",")[0]
      }
    }
  }

  Timer {
    id: refreshTimer
    interval: root.refreshMinutes * 60 * 1000
    running: true
    repeat: true
    triggeredOnStart: true
    onTriggered: root.refresh()
  }

  IpcHandler {
    target: root.ipcTarget

    function open(): void { root.openFromHotkey() }
    function close(): void { root.close() }
    function show(): void { root.openFromHotkey() }
    function hide(): void { root.close() }
    function toggle(): void { root.toggle() }
  }

  KeyboardPanel {
    id: panel
    anchorItem: root.anchorItem
    owner: root
    bar: root.bar
    open: root.opened
    centerOnBar: true
    focusTarget: keyCatcher
    contentWidth: panel.fittedContentWidth(Style.space(480))
    contentHeight: panel.fittedContentHeight(weatherColumn.implicitHeight)

    PanelKeyCatcher {
      id: keyCatcher
      anchors.fill: parent
      onCloseRequested: root.close()
      onTabRequested: function(direction) { root.switchPanel(direction) }

      Flickable {
        id: weatherScroll
        anchors.fill: parent
        contentWidth: width
        contentHeight: weatherColumn.implicitHeight
        clip: true
        boundsBehavior: Flickable.StopAtBounds
        interactive: contentHeight > height

        Column {
          id: weatherColumn
          width: weatherScroll.width
          spacing: Style.space(14)

      // ---- Hero row: big icon + temp on the left; location and stats stacked on the right.
      Item {
        width: parent.width
        height: Math.max(heroLeft.height, heroRight.height)

        Row {
          id: heroLeft
          anchors.left: parent.left
          anchors.leftMargin: Style.space(16)
          anchors.verticalCenter: parent.verticalCenter
          spacing: Style.space(16)

          Text {
            id: heroIcon
            anchors.verticalCenter: parent.verticalCenter
            anchors.verticalCenterOffset: 5
            text: root.label || "—"
            color: root.bar.foreground
            font.family: root.bar.fontFamily
            // Decorative condition emoji; intentionally larger than the
            // Style.font.* scale's displayLarge (28).
            font.pixelSize: 64
          }

          Row {
            anchors.verticalCenter: parent.verticalCenter
            spacing: Style.space(2)

            Text {
              id: tempBig
              text: root.reportTempNum || "—"
              color: root.bar.foreground
              font.family: root.bar.fontFamily
              // Hero temperature read-out; deliberately oversized, outside
              // the Style.font.* scale.
              font.pixelSize: 56
              font.bold: true
            }
            Text {
              text: root.current ? root.tempUnit : ""
              color: root.bar.foreground
              font.family: root.bar.fontFamily
              font.pixelSize: Style.font.display
              anchors.top: tempBig.top
              anchors.topMargin: Style.space(10)
            }
          }
        }

        Column {
          id: heroRight
          anchors.right: parent.right
          anchors.rightMargin: Style.space(20)
          anchors.verticalCenter: parent.verticalCenter
          spacing: Style.space(12)

          Row {
            visible: root.reportLocation !== ""
            spacing: Style.space(6)

            Text {
              text: ""  // nf-fa-map_marker
              color: Qt.darker(root.bar.foreground, 1.4)
              font.family: root.bar.fontFamily
              font.pixelSize: Style.font.body
              anchors.verticalCenter: parent.verticalCenter
            }
            Text {
              text: (root.reportLocation || "").toUpperCase()
              color: Qt.darker(root.bar.foreground, 1.4)
              font.family: root.bar.fontFamily
              font.pixelSize: Style.font.body
              font.letterSpacing: 1
              anchors.verticalCenter: parent.verticalCenter
            }
          }

          Row {
            visible: !!root.current
            spacing: Style.space(36)

            Column {
              spacing: Style.space(5)
              Text {
                text: "FEELS"
                color: Qt.darker(root.bar.foreground, 1.5)
                font.family: root.bar.fontFamily
                font.pixelSize: Style.font.bodySmall
                font.letterSpacing: 1
              }
              Text {
                text: root.reportFeels
                color: root.bar.foreground
                font.family: root.bar.fontFamily
                font.pixelSize: Style.font.title
              }
            }

            Column {
              spacing: Style.space(5)
              Text {
                text: "WIND"
                color: Qt.darker(root.bar.foreground, 1.5)
                font.family: root.bar.fontFamily
                font.pixelSize: Style.font.bodySmall
                font.letterSpacing: 1
              }
              Text {
                text: root.reportWind
                color: root.bar.foreground
                font.family: root.bar.fontFamily
                font.pixelSize: Style.font.title
              }
            }

            Column {
              spacing: Style.space(5)
              Text {
                text: "HUMID"
                color: Qt.darker(root.bar.foreground, 1.5)
                font.family: root.bar.fontFamily
                font.pixelSize: Style.font.bodySmall
                font.letterSpacing: 1
              }
              Text {
                text: root.reportHumidity
                color: root.bar.foreground
                font.family: root.bar.fontFamily
                font.pixelSize: Style.font.title
              }
            }
          }
        }
      }

      Text {
        visible: !root.current
        text: "Fetching forecast…"
        color: Qt.darker(root.bar.foreground, 1.5)
        font.family: root.bar.fontFamily
        font.pixelSize: Style.font.bodySmall
        font.italic: true
      }

      // ---- Divider between current conditions and forecast.
      Rectangle {
        visible: root.forecastDays.length > 0
        width: parent.width
        height: Style.spacing.hairline
        color: root.bar.foreground
        opacity: 0.12
      }

      // ---- Forecast row: each cell has the day icon left of a day-name + hi/lo column.
      //      Wrapped in an Item so the block of cells can be centered within the popup.
      Item {
        visible: root.forecastDays.length > 0
        width: parent.width
        height: forecastRow.height

        Row {
          id: forecastRow
          anchors.horizontalCenter: parent.horizontalCenter
          spacing: Style.space(44)

          Repeater {
            model: root.forecastDays

            Row {
              required property var modelData
              required property int index
              spacing: Style.space(10)

              Text {
                anchors.verticalCenter: parent.verticalCenter
                text: root.dayIcon(modelData)
                color: root.bar.foreground
                font.family: root.bar.fontFamily
                font.pixelSize: Style.font.display
              }

              Column {
                anchors.verticalCenter: parent.verticalCenter
                spacing: Style.space(2)

                Text {
                  text: root.dayName(modelData.date).toUpperCase()
                  color: Qt.darker(root.bar.foreground, 1.4)
                  font.family: root.bar.fontFamily
                  font.pixelSize: Style.font.caption
                  font.letterSpacing: 1
                }

                Row {
                  spacing: Style.space(6)

                  Text {
                    text: root.bareTempForDay(modelData, "max")
                    color: root.bar.foreground
                    font.family: root.bar.fontFamily
                    font.pixelSize: Style.font.body
                  }
                  Text {
                    text: root.bareTempForDay(modelData, "min")
                    color: Qt.darker(root.bar.foreground, 1.5)
                    font.family: root.bar.fontFamily
                    font.pixelSize: Style.font.body
                  }
                }
              }
            }
          }
        }
      }
    }
  }
  }
  }

  // Poll the weather pill text/class every minute. Local to this widget.
  Process {
    id: weatherProc
    command: ["bash", "-lc", Util.shellQuote(root.omarchyPath + "/shell/plugins/panels/weather/status.sh")]
    stdout: StdioCollector {
      waitForEnd: true
      onStreamFinished: root.updateWeather(text)
    }
  }

  Timer {
    interval: 60000
    running: true
    repeat: true
    triggeredOnStart: true
    onTriggered: if (!weatherProc.running) weatherProc.running = true
  }
}