#!/usr/bin/env bash

set -euo pipefail

CARGO_ABOUT_VERSION="0.6.6"
OUTPUT_FILE="${1:-$(pwd)/assets/licenses.md}"
TEMPLATE_FILE="script/licenses/template.md.hbs"

echo -n "" > "$OUTPUT_FILE"

{
    echo -e "# ###### THEME LICENSES ######\n"
    cat assets/themes/LICENSES

    echo -e "\n# ###### ICON LICENSES ######\n"
    cat assets/icons/LICENSES

    echo -e "\n# ###### CODE LICENSES ######\n"
} >> "$OUTPUT_FILE"

if ! cargo install --list | grep "cargo-about v$CARGO_ABOUT_VERSION" > /dev/null; then
  echo "Installing cargo-about@$CARGO_ABOUT_VERSION..."
  cargo install "cargo-about@$CARGO_ABOUT_VERSION"
else
  echo "cargo-about@$CARGO_ABOUT_VERSION is already installed."
fi

echo "Generating cargo licenses"

cargo about generate \
    --fail \
    -c script/licenses/zed-licenses.toml \
    "$TEMPLATE_FILE" >> "$OUTPUT_FILE"

sed -i.bak 's/"/"/g' "$OUTPUT_FILE"
sed -i.bak 's/'/'\''/g' "$OUTPUT_FILE" # The ` '\'' ` thing ends the string, appends a single quote, and re-opens the string
sed -i.bak 's/=/=/g' "$OUTPUT_FILE"
sed -i.bak 's/`/`/g' "$OUTPUT_FILE"
sed -i.bak 's/&lt;/</g' "$OUTPUT_FILE"
sed -i.bak 's/&gt;/>/g' "$OUTPUT_FILE"

rm -rf "${OUTPUT_FILE}.bak"

echo "generate-licenses completed. See $OUTPUT_FILE"