# ShaderShark

# Copyright © 2023 František Kučera (Frantovo.cz, GlobalCode.info)

#

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, version 3 of the License.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program. If not, see <http://www.gnu.org/licenses/>.

_shader_shark_completion() {

	local w0 w1 w2 w3

	COMPREPLY=()

	w0=${COMP_WORDS[COMP_CWORD]}

	w1=${COMP_WORDS[COMP_CWORD-1]}

	w2=${COMP_WORDS[COMP_CWORD-2]}

	w3=${COMP_WORDS[COMP_CWORD-3]}

	local COLOR=(

		"333333"

		"345678"

		"147258"

	)

	local SHADER_TYPE=(

		"vertex"

		"fragment"

	)

	if   [[ "$w1" == "--texture" ]]; then

		COMPREPLY=($(compgen -f -- "$w0"; compgen -d -S / -- "$w0"))

	elif [[ "$w1" == "--shader" ]]; then

		COMPREPLY=($(compgen -W "${SHADER_TYPE[*]}" -- "$w0"))

	elif [[ "$w2" == "--shader" ]]; then

		COMPREPLY=($(compgen -f -- "$w0"; compgen -d -S / -- "$w0"))

	elif [[ "$w1" == "--background-color" ]]; then

		COMPREPLY=($(compgen -W "${COLOR[*]}" -- "$w0"))

	else

		local OPTIONS=(

			"--texture"

			"--shader"

			"--background-color"

			"--root-window"

		)

		COMPREPLY=($(compgen -W "${OPTIONS[*]}" -- "$w0"))

	fi

}

complete -F _shader_shark_completion shader-shark