pragma Singleton

import QtQuick
import Quickshell
import Quickshell.Io
import qs.Services

// --------------------------------
// Noctalia Colors - Material Design 3 
// We only use a very small subset of all available m3 colors to avoid complexity
// All color names start with a 'm' to avoid QML assuming some of them are signals (ex: onPrimary)

Singleton {
  id: root

  // --- Key Colors: These are the main accent colors that define your app's style
  property color mPrimary: useCustom ? customColors.mPrimary : defaultColors.mPrimary
  property color mOnPrimary: useCustom ? customColors.mOnPrimary : defaultColors.mOnPrimary
  property color mSecondary: useCustom ? customColors.mSecondary : defaultColors.mSecondary
  property color mOnSecondary: useCustom ? customColors.mOnSecondary : defaultColors.mOnSecondary
  property color mTertiary: useCustom ? customColors.mTertiary : defaultColors.mTertiary
  property color mOnTertiary: useCustom ? customColors.mOnTertiary : defaultColors.mOnTertiary

  // --- Utility Colors: These colors serve specific, universal purposes like indicating errors
  property color mError: useCustom ? customColors.mError : defaultColors.mError
  property color mOnError: useCustom ? customColors.mOnError : defaultColors.mOnError

  // --- Surface and Variant Colors: These provide additional options for surfaces and their contents, creating visual hierarchy
  property color mSurface: useCustom ? customColors.mSurface : defaultColors.mSurface
  property color mOnSurface: useCustom ? customColors.mOnSurface : defaultColors.mOnSurface
  property color mSurfaceVariant: useCustom ? customColors.mSurfaceVariant : defaultColors.mSurfaceVariant
  property color mOnSurfaceVariant: useCustom ? customColors.mOnSurfaceVariant : defaultColors.mOnSurfaceVariant
  property color mOutline: useCustom ? customColors.mOutline : defaultColors.mOutline
  property color mOutlineVariant: useCustom ? customColors.mOutlineVariant : defaultColors.mOutlineVariant
  property color mShadow: useCustom ? customColors.mShadow : defaultColors.mShadow

  // -----------
  // Check if we should use custom colors
  property bool useCustom: (Settings.data.wallpaper.generateColors && customColorsFile.loaded)

  // -----------
  function applyOpacity(color, opacity) {
    // Convert color to string and apply opacity
    return color.toString().replace("#", "#" + opacity)
  }

  // --------------------------------
  // Default colors: RosePine
  QtObject {
    id: defaultColors

    property color mPrimary: "#ebbcba"
    property color mOnPrimary: "#191724"
    property color mSecondary: "#31748f"
    property color mOnSecondary: "#e0def4"
    property color mTertiary: "#9ccfd8"
    property color mOnTertiary: "#191724"

    property color mError: "#eb6f92"
    property color mOnError: "#191724"
    
    property color mSurface: "#191724"
    property color mOnSurface: "#e0def4"
    property color mSurfaceVariant: "#26233a"
    property color mOnSurfaceVariant: "#908caa"
    property color mOutline: "#44415a"
    property color mOutlineVariant: "#514e6c"
    property color mShadow: "#191724"

  }

  // ----------------------------------------------------------------
  // Custom colors loaded from colors.json
  // These can be generated by matugen or simply come from a well know color scheme (Dracula, Gruvbox, Nord, ...)
  QtObject {
    id: customColors

    property color mPrimary: customColorsData.mPrimary
    property color mOnPrimary: customColorsData.mOnPrimary
    property color mSecondary: customColorsData.mSecondary
    property color mOnSecondary: customColorsData.mOnSecondary
    property color mTertiary: customColorsData.mTertiary
    property color mOnTertiary: customColorsData.mOnTertiary

    property color mError: customColorsData.mError
    property color mOnError: customColorsData.mOnError

    property color mSurface: customColorsData.mSurface
    property color mOnSurface: customColorsData.mOnSurface
    property color mSurfaceVariant: customColorsData.mSurfaceVariant
    property color mOnSurfaceVariant: customColorsData.mOnSurfaceVariant
    property color mOutline: customColorsData.mOutline
    property color mOutlineVariant: customColorsData.mOutlineVariant
    property color mShadow: customColorsData.mShadow
  }

  // FileView to load custom colors data from colors.json
  FileView {
    id: customColorsFile
    path: Settings.configDir + "colors.json"
    watchChanges: true
    onFileChanged: reload()
    onAdapterUpdated: writeAdapter()
    onLoadFailed: function (error) {
      if (error.toString().includes("No such file") || error === 2) {
        // File doesn't exist, create it with default values
        writeAdapter()
      }
    }
    JsonAdapter {
      id: customColorsData

      property color mPrimary: defaultColors.mPrimary
      property color mOnPrimary: defaultColors.mOnPrimary
      property color mSecondary: defaultColors.mSecondary
      property color mOnSecondary: defaultColors.mOnSecondary
      property color mTertiary: defaultColors.mTertiary
      property color mOnTertiary: defaultColors.mOnTertiary

      property color mError: defaultColors.mError
      property color mOnError: defaultColors.mOnError

      property color mSurface: defaultColors.mSurface
      property color mOnSurface: defaultColors.mOnSurface
      property color mSurfaceVariant: defaultColors.mSurfaceVariant
      property color mOnSurfaceVariant: defaultColors.mOnSurfaceVariant
      property color mOutline: defaultColors.mOutline
      property color mOutlineVariant: defaultColors.mOutlineVariant
      property color mShadow: defaultColors.mShadow
    }
  }
}