# Read argument from command line (version).
# If no argument is provided, the script will exit.
# If the argument is "major", the script will increment the major version.
# If the argument is "minor", the script will increment the minor version.
# If the argument is "patch", the script will increment the patch version.
# If the argument is not "major", "minor" or "patch", the script will exit.
# The script will update the version in Cargo.toml, commit the change and push it to the remote repository.
# The script will create a git tag with the new version and push it to the remote repository.
# The script will build the project and publish it to crates.io.
# Usage: "./release.sh <major|minor|patch>"
# Example: "./release.sh patch"

# Read argument from command line (version).
if [ -z "$1" ]; then
  echo "No version provided. Usage: \"./release.sh <major|minor|patch>\""
  exit 1
else
  version=$1
fi

if [ "$version" != "major" ] && [ "$version" != "minor" ] && [ "$version" != "patch" ]; then
  echo "Invalid version provided. Usage: \"./release.sh <major|minor|patch>\""
  exit 1
fi

# Check if $version equals "major" word.
# If it is, the script will increment the major version.
if [ "$version" = "major" ]; then
  current_major_version=$(grep version Cargo.toml | head -n1 | cut -d '"' -f2 | cut -d '.' -f1)
  major_version=$((current_major_version + 1))
  version="$major_version.0.0"
fi

# Check if $version equals "minor" word.
# If it is, the script will increment the minor version.
if [ "$version" = "minor" ]; then
  current_minor_version=$(grep version Cargo.toml | head -n1 | cut -d '"' -f2 | cut -d '.' -f2)
  minor_version=$((current_minor_version + 1))
  current_major_version=$(grep version Cargo.toml | head -n1 | cut -d '"' -f2 | cut -d '.' -f1)
  version="$current_major_version.$minor_version.0"
fi

# Check if $version equals "patch" word.
# If it is, the script will increment the patch version.
if [ "$version" = "patch" ]; then
  current_patch_version=$(grep version Cargo.toml | head -n1 | cut -d '"' -f2 | cut -d '.' -f3)
  patch_version=$((current_patch_version + 1))
  current_minor_version=$(grep version Cargo.toml | head -n1 | cut -d '"' -f2 | cut -d '.' -f2)
  current_major_version=$(grep version Cargo.toml | head -n1 | cut -d '"' -f2 | cut -d '.' -f1)
  version="$current_major_version.$current_minor_version.$patch_version"
fi

# Print the new version.
echo "Releasing $version"

# Update Cargo.toml with the new version.
sed -i '' "s/^version = \".*\"/version = \"$version\"/" Cargo.toml

# Build the project.
./build.sh

# Add Cargo.toml to repository.
git add Cargo.toml
git add Cargo.lock
git commit -m "Change version to $version"
git push

# Add git tag and push it to the remote repository.
git tag -a $version -m "Release $version"
git push origin $version

# Publish the new release.
./publish.sh