#!/bin/bash

# Set theme environment variable
export THEME="light"

# Update GTK theme using gsettings (more reliable)
if command -v gsettings >/dev/null 2>&1; then
    gsettings set org.gnome.desktop.interface gtk-theme "Rosepine-Light"
    gsettings set org.gnome.desktop.interface color-scheme "prefer-light"
    gsettings set org.gnome.desktop.interface icon-theme "Papirus-Light"
fi

# Update GTK configuration files directly
mkdir -p "$HOME/.config/gtk-3.0" "$HOME/.config/gtk-4.0"

# GTK 3 settings
cat > "$HOME/.config/gtk-3.0/settings.ini" << EOF
[Settings]
gtk-application-prefer-dark-theme=false
gtk-theme-name=Rosepine-Light
gtk-icon-theme-name=Papirus-Light
EOF

# GTK 4 settings
cat > "$HOME/.config/gtk-4.0/settings.ini" << EOF
[Settings]
gtk-application-prefer-dark-theme=false
gtk-theme-name=Rosepine-Light
gtk-icon-theme-name=Papirus-Light
EOF

# GTK 2 settings
cat > "$HOME/.gtkrc-2.0" << EOF
gtk-theme-name="Rosepine-Light"
gtk-icon-theme-name="Papirus-Light"
EOF

# Update Qt6 theme using qt6ct
if command -v qt6ct >/dev/null 2>&1; then
    export QT_QPA_PLATFORMTHEME=qt6ct
    mkdir -p "$HOME/.config/qt6ct"
    if [ -f "$HOME/.config/qt6ct/qt6ct.conf" ]; then
        sed -i 's/^style=.*/style=rose-pine-dawn/' "$HOME/.config/qt6ct/qt6ct.conf"
        sed -i 's/^color_scheme=.*/color_scheme=rose-pine-dawn/' "$HOME/.config/qt6ct/qt6ct.conf"
    fi
fi

# Update Qt5 theme using qt5ct
if command -v qt5ct >/dev/null 2>&1; then
    export QT_QPA_PLATFORMTHEME=qt5ct
    mkdir -p "$HOME/.config/qt5ct"
    if [ -f "$HOME/.config/qt5ct/qt5ct.conf" ]; then
        sed -i 's/^style=.*/style=rose-pine-dawn/' "$HOME/.config/qt5ct/qt5ct.conf"
        sed -i 's/^color_scheme=.*/color_scheme=rose-pine-dawn/' "$HOME/.config/qt5ct/qt5ct.conf"
    fi
fi

# Update Rofi theme
if [ -f "$HOME/.config/rofi/config.rasi" ]; then
    sed -i 's/@theme ".*"/@theme "rose-pine-dawn"/' "$HOME/.config/rofi/config.rasi"
elif [ -f "$HOME/.config/rofi/config" ]; then
    sed -i 's/rofi.theme:.*/rofi.theme: rose-pine-dawn/' "$HOME/.config/rofi/config"
fi

# Update Wezterm theme
if [ -f "$HOME/.config/wezterm/wezterm.lua" ]; then
    sed -i 's/config.color_scheme = .*/config.color_scheme = "rose-pine-dawn"/' "$HOME/.config/wezterm/wezterm.lua"
elif [ -f "$HOME/.wezterm.lua" ]; then
    sed -i 's/config.color_scheme = .*/config.color_scheme = "rose-pine-dawn"/' "$HOME/.wezterm.lua"
fi

# Set environment variables for current session
export GTK_THEME=""
unset GTK_THEME  # Unset to use theme from config files

# Reload applications that support theme changes
pkill -USR1 wezterm >/dev/null 2>&1 || true

# Try to reload GTK applications via xsettingsd if available
if command -v xsettingsd >/dev/null 2>&1; then
    pkill -HUP xsettingsd >/dev/null 2>&1 || true
fi

# Restart GTK settings daemon if using GNOME
if pgrep -x "gnome-session" >/dev/null; then
    dbus-send --session --type=method_call --dest=org.gnome.SettingsDaemon.Color /org/gnome/SettingsDaemon/Color org.gnome.SettingsDaemon.Color.ApplySettings >/dev/null 2>&1 || true
fi

# Notify about theme change
echo "Switched to Rose Pine Dawn (light) theme"