#!/usr/bin/env bash
. ~/cshenv/lib/vulgar.sh

echo '[?25l'
echo '[?25h'
echo '[?25l'

erase_block 1 1 15 34
build_box 1 1 15 34
fill_block_attributes 1 1 15 34 47 30
write_string "Terminal Color Picker" 2 7 47 30

create_button Red 12 3 Red 1
#build_box 12 2 14 8
#write_string "Red"  13 4
#fill_block_attributes 12 2 14 8 41

create_button Green 12 13 Green 2
#build_box 12 12 14 20
#write_string "Green" 13 14

create_button Blue 12 25 Blue 4
#build_box 12 24 14 31
#write_string "Blue" 13 26

highlight_button Red

# TODO: Add color picker
# TODO: Negative colors support specials:
#       -1 is background
#       -2 is foreground
#       -3 is cursor
color=12

write_string "Index:" 4 3 47 30
erase_block 4 10 4 12
color_padded="  ${color}"
write_string "${color_padded:-3}" 4 10

write_string "Code:" 4 14 47 30
erase_block 4 20 4 25
get_color_hex ${color} red green blue
write_string "${red}${green}${blue}" 4 20


build_box 6 9 9 25
fill_block_attributes 7 10 8 24 44
#erase_block 4 13 4 21

Controls=()

Buttons=("Red" "Green" "Blue")
Index=0

Colors=( $((0x${red})) $((0x${green})) $((0x${blue})) )


tmp=`stty -g`
stty -echo

update_color()
{
	_color=${1}
	echo -n "]4;${_color};#$(hexbyte ${Colors[0]})$(hexbyte ${Colors[1]})$(hexbyte ${Colors[2]})"
	write_string "$(hexbyte ${Colors[0]})$(hexbyte ${Colors[1]})$(hexbyte ${Colors[2]})" 4 20
}

while true
do
	read_key codes
	sym=`translate_key ${codes}`

	OldIndex=${Index}

	if [ "${sym}" == "Right" ]
	then
		if (( ${Index} < $(( ${#Buttons} - 1 )) ))
		then
			Index=$(( ${Index} + 1 ))

			unhighlight_button ${Buttons[${OldIndex}]}
			highlight_button ${Buttons[${Index}]}
		fi
	elif [ "${sym}" == "Left" ]
	then
		if (( ${Index} > 0 ))
		then
			Index=$(( ${Index} - 1 ))

			unhighlight_button ${Buttons[${OldIndex}]}
			highlight_button ${Buttons[${Index}]}
		fi
	elif [ "${sym}" == "Up" ]
	then
		#echo "${Colors[${Index}]}:$(hexbyte ${Colors[${Index}]} )"
		if (( ${Colors[${Index}]} < 255 ))
		then
			Colors[${Index}]=$(( ${Colors[${Index}]} + 1 ))
		fi
		update_color ${color}
	elif [ "${sym}" == "Down" ]
	then
		#echo "${Colors[${Index}]}:$(hexbyte ${Colors[${Index}]} )"
		if (( ${Colors[${Index}]} > 0 ))
		then
			Colors[${Index}]=$(( ${Colors[${Index}]} - 1 ))
		fi
		update_color ${color}
	elif [ "${sym}" == "Escape" ]
	then
		break
	elif [ "${sym}" == "0" ]
	then
		Colors[${Index}]=0
		update_color ${color}
	fi
done

stty ${tmp}
#sleep 0.10
echo -n '[?25h'