#!/bin/sh -e
. t/common.sh
interactive

printf '%s\n' > file \
	"${HEAD} ours" \
	head \
	"${TAIL}" \
	tail \
	"${END} theirs"

for editor in EDITOR VISUAL CORE_EDITOR REDIFF_EDITOR GIT_EDITOR; do
	printf '%s\n' > "${editor}" \
		'#!/bin/sh -e' \
		'printf "%s\\n" "$(basename -- "$0")" > "$1"'
	chmod +x -- "$editor"
done

printf '%s\n' \
	'#!/bin/sh -e' \
	'printf "%s\\n" vi > "$1"' > ./vi
chmod +x ./vi

(
	interactive_marker "${HEAD} ours"
	interactive_side head
	interactive_marker "${TAIL}"
	interactive_side tail
	interactive_marker "${END} theirs"
	interactive_prompt 1 1
) > output.expected

run_editor_test () {
	printf '%s\n' "$1" > file.expected
	shift 1

	unset GIT_EDITOR VISUAL EDITOR
	git config --local --unset-all core.editor || :
	git config --local --unset-all rediff.editor || :

	while test ! $# = 0; do
		if test "$1" = VI; then
			export PATH=".:${PATH}"
		elif test "$1" = CORE_EDITOR; then
			git config core.editor ./CORE_EDITOR
		elif test "$1" = REDIFF_EDITOR; then
			git config rediff.editor ./REDIFF_EDITOR
		else
			eval "export $1=./$1"
		fi
		shift 1
	done
	printf '%s' e > input
	normal --interactive file 8<input 9>output
	diff -u -- output.expected output >&2
	again_command=''
}

run_editor_test vi            VI
run_editor_test EDITOR        EDITOR
run_editor_test VISUAL        EDITOR VISUAL
run_editor_test CORE_EDITOR   EDITOR VISUAL CORE_EDITOR
run_editor_test REDIFF_EDITOR EDITOR VISUAL CORE_EDITOR REDIFF_EDITOR
run_editor_test GIT_EDITOR    EDITOR VISUAL CORE_EDITOR REDIFF_EDITOR GIT_EDITOR