# TODO: this file is experimental, and its syntax is not yet currently supported by watchbind, but serves as inspiration for future feature additions

# Note: the `printf`s used in some commands are necessary to remove the newlines produced by their nested commands

# Executed before the watched command is executed
initial-env = [ '''set-env pwd -- printf "$(pwd)"''' ]

# All env variables are set as env variables in subshell where watched command is executed
watched-command = '''echo "$pwd"; ls "$pwd"'''
header-lines = 1

# Since we reload after each operation that changes the output, a small interval is not necessary.
# But we enable need periodic reloads in case some other processes manipulated the filesystem.
interval = 3

[keybindings]
# Move cursor up and down
"j" = [ "cursor down 1" ]
"k" = [ "cursor up 1" ]

# Delete (multiple) files
"d" = [
  'exec -- echo "$lines" | xargs -I {} rm "$pwd/{}"',
  "reload"
]

# Open file (blocking)
"o" = [ 'exec -- echo "$lines" | xargs -I {} xdg-open "$pwd/{}"' ]

# Open file (non-blocking in background)
"O" = [ 'exec & -- echo "$lines" | xargs -I {} xdg-open "$pwd/{}"' ]

# Edit text file in TUI editor
"e" = [ 'exec tui -- echo "$line" | xargs -I {} $EDITOR "$pwd/{}"' ]

# Traverse out of directories
"h" = [ 
  # Set $pwd to the parent dir of current dir
  'set-env pwd -- printf "$(dirname "$pwd")"',
  "reload"
]
# Traverse into directories
"l" = [ 
  # Only update $pwd if it is a directory
  'set-env pwd -- new_pwd="$pwd/$line"; [ -d "$new_pwd" ] && pwd="$new_pwd"; printf "$pwd"',
  "reload"
]

# Create a new file (with random name)
# "n" = [ "exec -- touch $(mktemp new_file_XXXXXX.txt)", "reload" ]

# Create a new file
# "n" = [
#   "read-into-env NAME",
#   '''exec -- touch "$PWD/$NAME"''',
#   "unset-env NAME"
# ]

# Rename a file
# "c" = [
#   # Read user input (in a TUI text field) into a env variable INPUT
#   "read-into NEW_NAME",
#   '''exec -- mv "$PWD/$LINE" "$PWD/$NEW_NAME"''',
#   # For performance reasons (creating different env variables for every different read creates overhead)
#   "unset-env NEW_NAME"
# ]