#!/usr/bin/env bash
# SPDX-FileCopyrightText: 2026 Marco Allegretti
# SPDX-License-Identifier: EUPL-1.2

set -euo pipefail

repo_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$repo_dir"

fail() {
    printf '%s\n' "$1" >&2
    exit 1
}

require_line() {
    local file="$1"
    local pattern="$2"
    local message="$3"

    grep -Eq -- "$pattern" "$file" || fail "$message"
}

settings_header=components/shellsettingsplugin/mobileshellsettings.h
settings_cpp=components/shellsettingsplugin/mobileshellsettings.cpp
settings_cmake=components/shellsettingsplugin/CMakeLists.txt
kcm_main=kcms/mobileshell/ui/main.qml
kcm_appearance=kcms/mobileshell/ui/AppearanceForm.qml
desktop_view=shell/contents/views/Desktop.qml
kcm_metadata=kcms/mobileshell/kcm_mobileshell.json
panel_background=components/mobileshell/qml/components/PanelBackground.qml
motion_state_layer=components/mobileshell/qml/components/MotionStateLayer.qml
surface_colors=components/mobileshell/qml/components/SurfaceColors.qml
folio_main=containments/homescreens/folio/qml/main.qml
favourites_bar=containments/homescreens/folio/qml/FavouritesBar.qml
landscape_drawer=components/mobileshell/qml/actiondrawer/private/LandscapeContentContainer.qml

require_line "$settings_header" 'Q_PROPERTY\(QString colorScheme READ colorScheme NOTIFY colorSchemeChanged\)' \
    "mobile shell settings must expose the active KDE color scheme"
require_line "$settings_header" 'Q_PROPERTY\(bool darkThemeEnabled READ darkThemeEnabled WRITE setDarkThemeEnabled NOTIFY darkThemeEnabledChanged\)' \
    "mobile shell settings must expose Shift dark/light switching"
require_line "$settings_header" 'Q_PROPERTY\(bool wallpaperThemeEnabled READ wallpaperThemeEnabled WRITE setWallpaperThemeEnabled NOTIFY wallpaperThemeEnabledChanged\)' \
    "mobile shell settings must expose wallpaper-driven theme mode"
require_line "$settings_header" 'Q_PROPERTY\(QColor wallpaperThemeColor READ wallpaperThemeColor NOTIFY wallpaperThemeColorChanged\)' \
    "mobile shell settings must expose the extracted wallpaper theme color for UI inspection"
require_line "$settings_header" 'Q_PROPERTY\(QColor accentColor READ accentColor WRITE setAccentColor NOTIFY accentColorChanged\)' \
    "mobile shell settings must expose manual accent color selection"
require_line "$settings_header" 'Q_PROPERTY\(bool wallpaperAccentEnabled READ wallpaperAccentEnabled WRITE setWallpaperAccentEnabled NOTIFY wallpaperAccentEnabledChanged\)' \
    "mobile shell settings must expose wallpaper-derived accent colors"

require_line "$settings_cpp" 'KSharedConfig::openConfig\(\)' \
    "dynamic theming must use kdeglobals, not a parallel Shift-only config file"
require_line "$settings_cpp" 'readEntry\("ColorScheme", SHIFT_DARK_COLOR_SCHEME\)' \
    "dark/light mode must be backed by kdeglobals ColorScheme"
require_line "$settings_cpp" 'readEntry\("wallpaperThemeEnabled", false\)' \
    "wallpaper theme mode must be an explicit Shift setting"
require_line "$settings_cpp" 'writeEntry\("wallpaperThemeEnabled", enabled, KConfigGroup::Notify\)' \
    "wallpaper theme mode must persist changes with config notifications"
require_line "$settings_cpp" 'WALLPAPER_THEME_MANUAL_DARK_KEY' \
    "wallpaper theme mode must remember the previous manual dark/light choice"
require_line "$settings_cpp" 'readEntry\(WALLPAPER_THEME_MANUAL_DARK_KEY, darkThemeEnabled\(\)\)' \
    "disabling wallpaper theme mode must restore the previous manual dark/light choice"
require_line "$settings_cpp" 'm_wallpaperThemeTimer\.stop\(\)' \
    "disabling wallpaper theme mode must cancel pending automatic theme changes"
require_line "$settings_cpp" 'applyWallpaperThemeColor' \
    "wallpaper theme mode must expose a shell hook for extracted wallpaper colors"
require_line "$settings_cpp" 'Q_EMIT wallpaperThemeColorChanged\(\)' \
    "wallpaper theme mode must notify the UI when the extracted wallpaper theme color changes"
require_line "$settings_cpp" 'm_wallpaperThemeTimer\.setInterval\(450\)' \
    "wallpaper theme mode must debounce wallpaper color changes"
require_line "$settings_cpp" 'm_wallpaperThemeTimer\.start\(\)' \
    "wallpaper theme mode must apply extracted wallpaper colors through the debounce timer"
require_line "$settings_cpp" '0\.2126 \* color\.redF\(\) \+ 0\.7152 \* color\.greenF\(\) \+ 0\.0722 \* color\.blueF\(\)' \
    "wallpaper theme mode must use relative luminance to choose light or dark Shift schemes"
require_line "$settings_cpp" 'writeEntry\("accentColorFromWallpaper", enabled, KConfigGroup::Notify\)' \
    "wallpaper accent mode must persist KDE's accentColorFromWallpaper key"
require_line "$settings_cpp" 'm_lastWallpaperThemeColor\.name\(QColor::HexRgb\)' \
    "wallpaper accent mode must apply the extracted wallpaper color directly as accent override"
require_line "$settings_cpp" 'writeEntry\("LastUsedCustomAccentColor", opaqueColor, KConfigGroup::Notify\)' \
    "manual accent mode must preserve KDE's LastUsedCustomAccentColor key"
require_line "$settings_cpp" 'deleteEntry\("AccentColor", KConfigGroup::Notify\)' \
    "resetting the accent must clear KDE's AccentColor key"
require_line "$settings_cpp" 'plasma-apply-colorscheme' \
    "color-scheme changes must go through KDE's color applicator"
require_line "$settings_cpp" '--accent-color' \
    "manual accent selection must use KDE's accent-color applicator path"
require_line "$settings_cpp" 'plasma-apply-desktoptheme' \
    "dark/light switching must update the Shift Plasma desktop theme"
require_line "$settings_cpp" 'ShiftDark' \
    "dynamic theming must keep ShiftDark as the dark scheme"
require_line "$settings_cpp" 'ShiftLight' \
    "dynamic theming must keep ShiftLight as the light scheme"
require_line "$settings_cpp" 'ShiftWallpaperDark' \
    "wallpaper theme mode must provide a generated dark Shift wallpaper scheme"
require_line "$settings_cpp" 'ShiftWallpaperLight' \
    "wallpaper theme mode must provide a generated light Shift wallpaper scheme"
require_line "$settings_cpp" 'QStandardPaths::locate\(QStandardPaths::GenericDataLocation,' \
    "wallpaper theme mode must derive generated schemes from the installed Shift base schemes"
require_line "$settings_cpp" 'QStandardPaths::writableLocation\(QStandardPaths::GenericDataLocation\)' \
    "wallpaper theme mode must write generated schemes into the session data location"
require_line "$settings_cpp" 'QFile::copy\(sourcePath, outputPath\)' \
    "wallpaper theme mode must generate a concrete .colors file before applying it"
require_line "$settings_cpp" 'tintBackgroundEntries\(' \
    "wallpaper theme mode must generate tinted background roles in the derived color scheme"
require_line "$settings_cpp" 'tuneForegroundEntries\(' \
    "wallpaper theme mode must generate contrast-aware foreground hierarchy entries"
require_line "$settings_cpp" 'contrastRatio\(' \
    "wallpaper theme mode must use contrast-aware text color selection"
require_line "$settings_cpp" 'ensureContrast\(' \
    "wallpaper theme mode must clamp generated foreground roles to a minimum contrast threshold"
require_line "$settings_cpp" 'MIN_NORMAL_CONTRAST' \
    "wallpaper theme mode must define explicit minimum contrast targets for readability"
require_line "$settings_cpp" 'writeEntry\("BackgroundNormal"' \
    "wallpaper theme mode must update BackgroundNormal in generated scheme groups"
require_line "$settings_cpp" 'writeEntry\("inactiveBackground"' \
    "wallpaper theme mode must generate an inactive window background role"
require_line "$settings_cpp" 'shift-dark' \
    "dynamic theming must keep shift-dark as the dark Plasma theme"
require_line "$settings_cpp" 'shift-light' \
    "dynamic theming must keep shift-light as the light Plasma theme"
require_line "$settings_cmake" 'KF6::ConfigCore' \
    "shell settings plugin must link explicitly to KConfigCore for kdeglobals access"
require_line "$kcm_main" 'kcm\.push\("AppearanceForm\.qml"\)' \
    "mobile shell settings must expose the dynamic theming controls"
if grep -Eq -- 'dialog\.parent[[:space:]]*=' "$kcm_main"; then
    fail "mobile shell KCM must not assign dialog.parent on FormComboBoxDelegate (invalid in current runtime)"
fi
require_line "$kcm_metadata" '"FormFactors"[[:space:]]*:[[:space:]]*\[' \
    "shell settings module metadata must declare form factors"
require_line "$kcm_metadata" '"desktop"' \
    "shell settings module must be visible in desktop System Settings form factor"
require_line "$kcm_metadata" '"X-KDE-Keywords"[[:space:]]*:[[:space:]]*"[^"]*appearance[^"]*theme[^"]*wallpaper[^"]*accent' \
    "shell settings module search keywords must include appearance/theme/wallpaper/accent terms"
require_line "$kcm_appearance" 'ShellSettings\.Settings\.darkThemeEnabled' \
    "appearance settings must control Shift dark/light mode"
require_line "$kcm_appearance" 'ShellSettings\.Settings\.wallpaperThemeEnabled' \
    "appearance settings must control wallpaper-driven theme mode"
require_line "$kcm_appearance" 'ShellSettings\.Settings\.colorScheme' \
    "appearance settings must show the active generated wallpaper color scheme"
require_line "$kcm_appearance" 'ShellSettings\.Settings\.wallpaperThemeColor' \
    "appearance settings must show the extracted wallpaper theme color"
require_line "$kcm_appearance" 'ShellSettings\.Settings\.wallpaperAccentEnabled' \
    "appearance settings must control wallpaper-derived accent colors"
require_line "$kcm_appearance" 'Dialogs\.ColorDialog' \
    "appearance settings must provide manual accent color selection"
require_line "$kcm_appearance" 'ShellSettings\.Settings\.accentColor = selectedColor' \
    "appearance settings must apply the selected manual accent color"
require_line "$kcm_appearance" 'ShellSettings\.Settings\.resetAccentColor\(\)' \
    "appearance settings must allow returning to the scheme accent"
require_line "$desktop_view" 'usedInAccentColor' \
    "wallpaper accent mode depends on the Plasma desktop accent extraction hook"
require_line "$desktop_view" 'ShellSettings\.Settings\.wallpaperThemeEnabled' \
    "wallpaper theme mode must reuse the Plasma desktop wallpaper color extraction hook"
require_line "$desktop_view" 'ShellSettings\.Settings\.applyWallpaperThemeColor\(imageColors\.wallpaperColor\)' \
    "desktop wallpaper color extraction must feed Shift's wallpaper theme mode"
require_line "$desktop_view" 'onWallpaperThemeEnabledChanged' \
    "desktop wallpaper color extraction must react when wallpaper theme mode is toggled"
require_line "$surface_colors" '!ShellSettings\.Settings\.wallpaperThemeEnabled && !ShellSettings\.Settings\.wallpaperAccentEnabled' \
    "shared shell surface color helper must react to wallpaper/accent theming"
require_line "$surface_colors" 'ShellSettings\.Settings\.accentColor' \
    "shared shell surface color helper must prefer the applied KDE accent color"
require_line "$surface_colors" 'ShellSettings\.Settings\.wallpaperThemeColor' \
    "shared shell surface color helper must fall back to the extracted wallpaper color"
require_line "$panel_background" 'SurfaceColors\.accentSurface\(baseColor, accentTintDark, accentTintLight\)' \
    "shared shell panel backgrounds must react to wallpaper/accent theming"
require_line "$surface_colors" 'mix\(base, accent\(\), darkSurface \? darkRatio : lightRatio\)' \
    "shared shell panel backgrounds must tint surfaces from the active accent color"
require_line "$motion_state_layer" 'property color activeColor: SurfaceColors\.accent\(\)' \
    "shared active state layers must use the same accent source as shell surfaces"
require_line "$folio_main" 'readonly property color chromeColor: MobileShell\.SurfaceColors\.accentSurface\(Kirigami\.Theme\.backgroundColor, 0\.32, 0\.18\)' \
    "convergence top bar, frame, and dock chrome must tint from the active accent color"
require_line "$surface_colors" '!ShellSettings\.Settings\.wallpaperThemeEnabled && !ShellSettings\.Settings\.wallpaperAccentEnabled' \
    "convergence chrome must react to wallpaper/accent theming mode"
require_line "$folio_main" 'fillColor: MobileShell\.SurfaceColors\.accentSurface\(Kirigami\.Theme\.backgroundColor, 0\.32, 0\.18\)' \
    "convergence app drawer surface must tint from the active accent color"
require_line "$landscape_drawer" 'fillColor: MobileShell\.SurfaceColors\.accentSurface\(Kirigami\.Theme\.backgroundColor, 0\.32, 0\.18\)' \
    "convergence action drawer surface must tint from the active accent color"
require_line "$favourites_bar" 'color: MobileShell\.SurfaceColors\.accentSurface\(Kirigami\.Theme\.backgroundColor, 0\.24, 0\.12\)' \
    "dock thumbnail popup surfaces must tint from the active accent color"
require_line "$favourites_bar" 'color: leftDesktopBtn\.isCurrent \? MobileShell\.SurfaceColors\.accent\(\) : Kirigami\.Theme\.textColor' \
    "dock workspace pager labels must use the same accent source as shell surfaces"
if grep -Eq -- 'Kirigami\.Theme\.highlightColor' "$favourites_bar"; then
    fail "convergence dock must not use Kirigami.Theme.highlightColor directly; use MobileShell.SurfaceColors.accent()"
fi
require_line tests/CMakeLists.txt 'NAME shift-dynamic-theming' \
    "dynamic theming regression test must be registered with CTest"

printf '%s\n' 'shift-dynamic-theming-ok'