vps_generate_static_sites

#!/bin/bash

# function to check if required commands exist prior to bootstrap
require() {
	if [[ ! $(command -v "$1") ]]; then
		printf "requires '%s', Install that and re-run\n" "$1"
		exit 1
	fi
}

# $1: url, $2: location
reclone_dir() {
	[[ -d "$2" ]] && rm -rf "$2"
	git clone --depth=1 "$1" "$2"
	rm -rf "$2/.git"
}

# removes any files currently in the REMOVE_FILES array
remove_files() {
	for remove_file in "${REMOVE_FILES[@]}"; do
		rm -vrf "$remove_file"
	done
}

# $1: static site folder to move to document root
move_to_document_root() {
	TARGET="${DOCUMENT_ROOT}/$(basename "$1")"
	if [[ -d "$DOCUMENT_ROOT" ]]; then
		rm -rf "$TARGET"
		mv -v "$1" "$DOCUMENT_ROOT"
	else
		printf "Error moving files: '%s' does not exist.\n" "$DOCUMENT_ROOT"
	fi
}

require git
require elm
require make
require python3.11
require python3.12
require realpath
require pipenv
require html-minifier # npm install -g html-minifier
require uglifycss

VPS_DIR="$(realpath "$(dirname "${BASH_SOURCE[0]}")/..")"
BUILD_DIR="${VPS_DIR}/static_build"

DOCUMENT_ROOT="${HOME}/static_files"
[[ ! -d "$DOCUMENT_ROOT" ]] && mkdir -p "$DOCUMENT_ROOT"

# specifies URI path
DVD_DIR="${BUILD_DIR}/dvd"
XKCD_DIR="${BUILD_DIR}/xkcd"
ANIMESHORTS_DIR="${BUILD_DIR}/animeshorts"
BACK_ARROW_DIR="${BUILD_DIR}/back-arrow"
SUNS="${BUILD_DIR}/sun-in-the-corner-of-the-page"
GEOCITIES="${BUILD_DIR}/geocities"

# clone dirs
reclone_dir "https://github.com/purarue/xqc-dvd" "$DVD_DIR"
reclone_dir "https://github.com/purarue/xkcd-favorites" "$XKCD_DIR"
reclone_dir "https://github.com/purarue/animeshorts" "$ANIMESHORTS_DIR"
reclone_dir "https://github.com/purarue/glue_geocities" "$GEOCITIES"
reclone_dir "git@github.com:purarue/back-arrow-script.git" "$BACK_ARROW_DIR"
reclone_dir "https://github.com/purarue/sun-in-the-corner-of-the-page" "$SUNS"

## Build each Site

## GEOCITIES

cd "$GEOCITIES" || exit $?
make
mv ./dist ./geocities
move_to_document_root "$GEOCITIES/geocities"

## BACK-ARROW #############

cd "${BACK_ARROW_DIR}" || exit $?
yarn install || exit $?
yarn check || exit $?
yarn build || exit $?
# move to public so it works with cross origin requests
mv -v "${BACK_ARROW_DIR}/back-arrow-bundle.js" "${HOME}/p/"

## SUNS ###################

cd "$SUNS" || exit $?
python3.11 -m pip install -r ./requirements.txt
python3.11 generate.py 'sun-in-the-corner-of-the-page'
move_to_document_root "$SUNS/sun-in-the-corner-of-the-page"

## DVD ####################

cd "$DVD_DIR" || exit $?
make

REMOVE_FILES=(".gitignore" ".github" "elm-stuff" "elm.json" "LICENSE" "Makefile" "README.md" "src")
remove_files

move_to_document_root "$DVD_DIR"

## XKCD ###################

cd "$XKCD_DIR" || exit $?
python3.11 -m pip install -r ./requirements.txt
python3.11 generate.py
make static
mv ./static.html ./index.html

REMOVE_FILES=("favorites.yaml" "generate.py" "LICENSE" "README.md" "requirements.txt" ".nojekyll" ".gitignore" "ssg" "index.js" "data.json" ".prettierignore")
remove_files

move_to_document_root "$XKCD_DIR"

## ANIMESHORTS ############

cd "$ANIMESHORTS_DIR" || exit $?
python3.11 -m pipenv --python "$(command -v python3.12)"
python3.11 -m pipenv install
"$ANIMESHORTS_DIR"/generate
python3.11 -m pipenv --rm

# minify HTML
html-minifier --collapse-whitespace --minify-css --minify-js --remove-attribute-quotes --remove-comments --remove-empty-attributes --remove-optional-tags --remove-redundant-attributes --remove-script-type-attributes --remove-style-link-type-attributes --remove-tag-whitespace --input-dir "${ANIMESHORTS_DIR}/output" --output-dir "${ANIMESHORTS_DIR}/animeshorts" --file-ext html
mv "${ANIMESHORTS_DIR}/output/images" "${ANIMESHORTS_DIR}/animeshorts"
mv "${ANIMESHORTS_DIR}/output/css" "${ANIMESHORTS_DIR}/animeshorts"
find "${ANIMESHORTS_DIR}" -name "*.css" -exec uglifycss {} --output {} \;

move_to_document_root "$ANIMESHORTS_DIR/animeshorts"

### FINISH

rm -rf "$BUILD_DIR"

set -x

## generate nicer errors
rm -rf /tmp/error_html
mkdir -p /tmp/error_html
darker_errors -output-dir /tmp/error_html 'ERROR_TITLE:purarue - STATUS_MSG' '502:ERROR_HEAD:<meta http-equiv="refresh" content="5">' '502:ERROR_MSG:<p>This page is currently being updated...<br /> This should be fixed in in a few seconds...</p>'
cp /tmp/error_html/502.html "${DOCUMENT_ROOT}"

# requires me to to mark error_page for each request, see https://github.com/purarue/darker_errors
cd "$DOCUMENT_ROOT" || exit $?
darker_errors 'ERROR_TITLE:purarue - STATUS_MSG'