#!/bin/bash
# Script to initialize the repository by replacing all specific names

# Exit early
# See: https://www.gnu.org/savannah-checkouts/gnu/bash/manual/bash.html#The-Set-Builtin
set -e

# variables
OLD_USERNAME="yKicchan"
OLD_REPOSITORY_NAME="awesome-marp-template"

# colors
GREEN="\x1b[32m"
CYAN="\x1b[36m"
YELLOW="\x1b[33m"
MAGENTA="\x1b[35m"
OFF="\x1b[0m"

# 1. Input user GitHubID and Repository name
echo -e "This script will ${GREEN}initialize the repository${OFF} for the GitHub ID and repository name you provide."
read -p "Enter your GitHub ID: " github_id
read -p "Enter your repository name: " repository_name

while true; do
  read -p "Are you sure? [y/n]: " answer
  case $answer in
    [Yy]* ) break;;
    [Nn]* ) echo -e "${YELLOW}Canceled.${OFF}"; exit 0;;
    * ) echo "Please answer y (yes) or n (no).";;
  esac
done
echo ""
echo -e "${GREEN}Initializing the repository...${OFF}"
echo ""

# Files to replace the GitHub ID with the user's
replace_username_target_files=(
  ".marprc.yml"
  "package.json"
  "README.md"
  "themes/index.css"
  "template/index.md"
  "src/demo/index.md"
  "scripts/check"
)
# Files to replace the repository name with the user's
replace_repository_name_target_files=(
  "package.json"
  "template/index.md"
  "README.md"
  "scripts/check"
  "src/demo/index.md"
)

# 2. Replace the GitHub ID and repository name in the target files
echo -e "Replacing the GitHub ID..."
for file in "${replace_username_target_files[@]}"; do
  echo -e "in ${CYAN}${file}${OFF}"
  sed -i '' "s|${OLD_USERNAME}|$github_id|g" "$file"
done
echo ""
echo -e "Replacing the repository name..."
for file in "${replace_repository_name_target_files[@]}"; do
  echo -e "in ${CYAN}${file}${OFF}"
  sed -i '' "s|${OLD_REPOSITORY_NAME}|$repository_name|g" "$file"
done
echo ""
echo -e "${GREEN}All Done!${OFF}"
echo ""

# 3. Message to the user
echo -e "Next steps:"
echo -e "1. ${MAGENTA}Install Node.js and pnpm${OFF} if you haven't already."
echo -e "2. ${MAGENTA}Run ${CYAN}pnpm install${OFF} to install the dependencies."
echo -e "3. ${MAGENTA}Run ${CYAN}pnpm run new <slide-name>${OFF} to create a new slide set."
echo -e "4. ${MAGENTA}Edit the slides${OFF} in the ${CYAN}src${OFF} directory,"
echo -e "   and ${MAGENTA}Edit the theme${OFF} in the ${CYAN}themes${OFF} directory."
echo -e "5. ${MAGENTA}Run ${CYAN}pnpm run dev${OFF} to start the development server, and ${MAGENTA}Access ${CYAN}http://localhost:8080${OFF} in your browser."
echo ""
echo -e "${GREEN}Enjoy creating slides with Marp! 🎉${OFF}"

# 4. Remove the script itself
read -p "Do you want to remove the script itself? [y/n]: " remove_script
if [[ $remove_script == [Yy]* ]]; then
  rm scripts/activate
  echo -e "${GREEN}Script removed.${OFF}"
else
  echo -e "${YELLOW}Script not removed. You can delete it manually later.${OFF}"
fi