#!/usr/bin/env bash
# Export all variables
set -a

# Abort if an error is encountered
set -e

# SSH config
if [ -f ~/.ssh/id_ed25519 ]
then
    chmod 0600 ~/.ssh/id_ed25519
fi

# Create base directories
for dir in ssh config/tigervnc
do
    [ -d ~/.${dir} ] || mkdir -p ~/.${dir}/
done

# Check for MYVNC_VNCPASS variable
if [ -z ${MYVNC_VNCPASS} ]
then
    echo "MYVNC_VNCPASS env variable is missing"
    exit 1
fi

# Configure tigervnc auth
if [ ! -f ~/.config/tigervnc/passwd ]
then
    echo "${MYVNC_VNCPASS}" | vncpasswd -f >~/.config/tigervnc/passwd
    chmod 0600 ~/.config/tigervnc/passwd
fi

# Remove VNCPASS env
unset MYVNC_VNCPASS

# VNC xstartup
install /dev/stdin ~/.config/tigervnc/xstartup <<- xstartup
#!/usr/bin/env bash
unset SESSION_MANAGER
unset DBUS_SESSION_BUS_ADDRESS
exec ${STARTXBIN}
xstartup

# Turn vnc sharing on/off
if [[ ${MYVNC_VNCSHARING} == "true" ]] || [[ ${MYVNC_VNCSHARING} == "1" ]]
then
    _MYVNC_VNCSHARING=alwaysshared
else
    _MYVNC_VNCSHARING=nevershared
fi

# VNC config
cat >~/.config/tigervnc/config <<- vncconfig
session=i3
dpi=192
geometry=1920x1080
framerate=60
depth=32
${_MYVNC_VNCSHARING}
vncconfig

# i3 preferences
mkdir -p ~/.config/i3/config.d
cat >~/.config/i3/config <<- 'i3config'
# Font
font pango:DejaVu Sans Mono 8

# Include custom config
include ~/.config/i3/config.d/*.conf

# Binds for killing application
bindsym Mod1+Mod4+Shift+q kill
bindsym Mod1+Mod4+Shift+f fullscreen toggle

# Binds for cycling workspaces
bindsym Mod1+Mod4+Shift+Right workspace next
bindsym Mod1+Mod4+Shift+Left workspace prev

# Locked mode
mode locked {
    bindsym Mod4+Mod1+Escape mode default
}
bindsym Mod4+Mod1+Escape mode locked

# Hide bar permanently
exec --no-startup-id i3-msg bar mode invisible

# Always open window in fullscreen
for_window [all] fullscreen enable
for_window [all] border none
default_border none

# Execute startup script for webapp
exec --no-startup-id /usr/bin/bash ~/.config/i3/startapp.sh
i3config

# Launch Tigervnc
/usr/bin/dbus-launch vncserver :0