#!/bin/bash
set -e  ## Exit if Problems
set -u  ## Fail on Undefined Variable

SCRIPT_PATH="$(dirname "$(readlink -f "$0")")"

IMAGE="docker.io/debian:bookworm-slim"

####################
# - Actions
####################
action_exer_1_2() {
	echo -e "Running Exercise 1.2...\n"
	podman run \
		--rm -it \
		-v "$SCRIPT_PATH/exer_1/exer_1_2":/data \
		-w /data \
		"$IMAGE" \
		bash -x run.sh
	echo
	echo
}
action_exer_2() {
	echo -e "Running Exercise 2...\n"
	podman run \
		--rm -it \
		-v "$SCRIPT_PATH/exer_2":/data \
		-w /data \
		"$IMAGE" \
		bash -x run.sh
	echo
	echo
}
action_exer_3() {
	echo -e "Running Exercise 3...\n"
	podman run \
		--rm -it \
		-v "$SCRIPT_PATH/exer_3":/data \
		-w /data \
		"$IMAGE" \
		bash -x run.sh
	echo
	echo
}
action_exer_4() {
	echo -e "Running Exercise 4...\n"
	pip show "${2-future}" | grep Location | cut -d ' ' -f 2
	echo
	echo
}
action_exer_5() {
	echo -e "Running Exercise 5...\n"
	echo "VSCodium: Activate the venv in the embedded terminal, and use that to run things. pip freeze for package list."
	echo
	echo
}
action_exer_6() {
	echo -e "Running Exercise 6...\n"
	echo "This does not use VSCode, as I do not consent to its proprietary licensing. See https://lab.compute.dtu.dk/cp/02002students/-/issues/1 ."
	echo
	echo
	
	podman run \
		--rm -it \
		-v "$SCRIPT_PATH/exer_6":/data \
		-w /data \
		debian:bookworm-slim \
		bash run.sh
}
action_exer_7() {
	echo "'pip check' is run in exer_6."
}
action_exer_8() {
	echo "At this level, it's identical (but slower than) venv. Just replace 'python3 -m venv' with 'virtualenv'. https://virtualenv.pypa.io/en/latest/"
}

####################
# - Check Dependencies
####################
case $1 in
	exer_1_2)
		action_exer_1_2
		;;
	exer_2)
		action_exer_2
		;;
	exer_3)
		action_exer_3
		;;
	exer_4)
		action_exer_4
		;;
	exer_6)
		action_exer_6
esac