#!/bin/bash

# NAME OF DESIRED MOUSE INPUT
# Can be found via the RetroArch log file or by running 'evtest'
mouse_name="Combined Analog Arcade Controls"

# RetroArch log file must be enabled for this to work
batocera-settings-set global.retroarch.log_dir "/userdata/system/logs/retroarch"
batocera-settings-set global.retroarch.log_to_file true
batocera-settings-set global.retroarch.log_to_file_timestamp false

# Read the mouse index values from the last RetroArch log file 
# and update the config for the next time RetroArch is run
# NOTE: Using '~' as a sed delimiter as some device names include the traditional '/' delimiter
# NOTE: Pipe to 'head -1' to return the index of the first matching device, as some devices expose multiple inputs
mouse_index=$(sed -En "s~.*Mouse.* #(.*): \"$mouse_name\".*~\1~p" /userdata/system/logs/retroarch/retroarch.log | head -1)
if [[ -z "$mouse_index" ]]; then
    mouse_index=0
fi
batocera-settings-set global.retroarch.input_player1_mouse_index $mouse_index