a.cli

#!/bin/bash

# Exit immediately if a command exits with a non-zero status
set -e

# Default values
DEFAULT_ZOTERO_USER_ID=""
DEFAULT_ZOTERO_API_KEY=""
DEFAULT_ZOTERO_GROUP_ID="4678293"
DEFAULT_BIBTEX_FILE="references.bib"
COLLECTION_ID=""

# Read environment variables or set defaults
ZOTERO_USER_ID=${ZOTERO_USER_ID:-$DEFAULT_ZOTERO_USER_ID}
ZOTERO_API_KEY=${ZOTERO_API_KEY:-$DEFAULT_ZOTERO_API_KEY}
ZOTERO_GROUP_ID=${ZOTERO_GROUP_ID:-$DEFAULT_ZOTERO_GROUP_ID}
BIBTEX_FILE=${BIBTEX_FILE:-$DEFAULT_BIBTEX_FILE}

# Function to parse command-line arguments
parse_args() {
    while [[ "$#" -gt 0 ]]; do
        case $1 in
            --zotero-user-id) ZOTERO_USER_ID="$2"; shift ;;
            --zotero-api-key) ZOTERO_API_KEY="$2"; shift ;;
            --zotero-group-id) ZOTERO_GROUP_ID="$2"; shift ;;
            --bibtex-file) BIBTEX_FILE="$2"; shift ;;
            --help)
                echo "Usage: $0 [options] {setup|create|list|delete|update-bibtex} [version]"
                echo "Options:"
                echo "  --zotero-user-id    Zotero User ID"
                echo "  --zotero-api-key    Zotero API Key"
                echo "  --zotero-group-id   Zotero Group ID (optional, omit if using user library)"
                echo "  --bibtex-file       Path to the BibTeX file (default: your_bibtex_file.bib)"
                echo "Commands:"
                echo "  setup               : Setup hooks for commit, checkout, and merge"
                echo "  create              : Create a new release with the provided version"
                echo "  list                : List all existing releases"
                echo "  delete              : Delete the release with the provided version"
                echo "  update-bibtex       : Fetch and update the BibTeX file from Zotero"
                echo "  version             : Optional argument specifying the version for create and delete commands"
                exit 0 ;;
        esac
        shift
    done
}

# Function to setup hooks
setup() {
    for i in commit checkout merge; do
        cp hooks/post-commit .git/hooks/post-$i
        chmod +x .git/hooks/post-$i
    done
    echo "Hooks setup successfully."

    git checkout

    if ! test -f .git/gitHeadInfo.gin; then
        cp .git/gitHeadInfo.gin gitHeadLocal.gin

        git add gitHeadLocal.gin
        git commit -m "Created gitHeadLocal.gin for initial setup"
    fi
}

# Function to create a release
create_release() {
    VERSION=$1

    if [ -z "$VERSION" ]; then
        echo "Usage: $0 create vx.y.z"
        exit 1
    fi

    # Check if the tag already exists
    if git rev-parse "$VERSION" >/dev/null 2>&1; then
        echo "Error: Tag $VERSION already exists."
        exit 1
    fi

    # Check the format of the version number
    if [[ ! "$VERSION" =~ ^v[0-9]+\.[0-9]+\.[0-9]+(-[a-z]+\.[0-9]+)?$ ]]; then
        echo "Error: Version number should be in the format vx.y.z or vx.y.z-pre.a."
        exit 1
    fi

    # Tag the repository with the provided version
    git tag -a "$VERSION" -m "Release $VERSION"

    # Checkout the tag to trigger post-commit hook to update gitinfo2 info file
    git checkout

    # Show the reltag line of .git/gitHeadInfo.gin
    grep reltag .git/gitHeadInfo.gin

    cp .git/gitHeadInfo.gin gitHeadLocal.gin

    git add gitHeadLocal.gin
    git commit -m "Updated gitHeadLocal.gin for release $VERSION"
    git tag -f -a "$VERSION" -m "Release $VERSION"

    # Push the changes and the tags
    git push origin --follow-tags

    echo "Release $VERSION created and pushed successfully."
}

# Function to list releases
list_releases() {
    git tag --sort=-creatordate | head -n $1
}

# Function to clean latex build files
clean() {
    # clean latex build files
    rm -f *.aux *.bbl *.blg *.log *.out *.pyg *.fls *.synctex* *.toc *.fdb_latexmk *.fls *.idx *.ilg *.ind *.chl *.lof *.lot *.pdf
}
# Function to delete a release
delete_release() {
    VERSION=$1

    if [ -z "$VERSION" ]; then
        echo "Usage: $0 delete vx.y.z"
        exit 1
    fi

    # Delete the tag locally
    git tag -d "$VERSION"

    # Delete the tag remotely
    # git push origin --delete "$VERSION"

    echo "Release $VERSION deleted successfully."
}

# Function to fetch and update BibTeX file from Zotero
update_bibtex() {
    if [ -z "$ZOTERO_GROUP_ID" ]; then
        if [ -z "$ZOTERO_USER_ID" ]; then
            echo "Zotero group ID and user ID are not set, one of them is required."
            echo "If Group ID is set, User ID is not required."
            exit 1
        fi
    fi

    if [ -z "$ZOTERO_API_KEY" ]; then
        echo "Zotero API key is not set."
        exit 1
    fi

    echo "Fetching BibTeX entries from Zotero..."

    # Define the URL to fetch BibTeX
    if [ -z "$ZOTERO_GROUP_ID" ]; then
        URL="https://api.zotero.org/users/$ZOTERO_USER_ID/items?format=biblatex"
    else
        URL="https://api.zotero.org/groups/$ZOTERO_GROUP_ID/items?format=biblatex"
    fi
    start=0
    limit=100
    has_more=true
    echo "" > "$BIBTEX_FILE"
    while $has_more; do
        response=$(curl -s -H "Zotero-API-Key: $ZOTERO_API_KEY" "$URL&start=$start&limit=$limit")

        if [ -z "$response" ]; then
            echo "No more items to fetch."
            has_more=false
            break
        fi

        echo "$response" >> "$BIBTEX_FILE"

        # Check if we need to fetch more items
        num_items=$(echo "$response" | grep -c "@")  # Counting the number of BibTeX entries
        if [ "$num_items" -lt "$limit" ]; then
            has_more=false
        else
            start=$((start + limit))
        fi
    done

    echo "BibTeX entries updated successfully in $BIBTEX_FILE."
}

update_bibtex2() {
    if [ -z "$ZOTERO_GROUP_ID" ]; then
        if [ -z "$ZOTERO_USER_ID" ]; then
            echo "Zotero group ID and user ID are not set, one of them is required."
            echo "If Group ID is set, User ID is not required."
            exit 1
        fi
    fi

    if [ -z "$ZOTERO_API_KEY" ]; then
        echo "Zotero API key is not set."
        exit 1
    fi

    echo "Fetching BibTeX entries from Zotero..."

    # Define the URL to fetch BibTeX
    if [ -z "$ZOTERO_GROUP_ID" ]; then
        URL="https://api.zotero.org/users/$ZOTERO_USER_ID/items?format=bibtex"
    else
        URL="https://api.zotero.org/groups/$ZOTERO_GROUP_ID/items?format=bibtex"
    fi

    start=0
    limit=100
    has_more=true  # Initialize the loop control variable
    echo "" > "$BIBTEX_FILE"

    while $has_more; do
        # Send the request
        response=$(curl -s -w "%{http_code}" -H "Zotero-API-Key: $ZOTERO_API_KEY" "$URL&start=$start&limit=$limit")

        # Separate the response content and the status code
        http_code=$(echo "$response" | tail -n1)
        content=$(echo "$response" | sed '$d')  # Everything except the last line (status code)

        # Check if the request was successful (status code 200)
        if [ "$http_code" -ne 200 ]; then
            echo "Error fetching data: HTTP status $http_code"
            exit 1
        fi
        if [ -z "$content" ]; then
            echo "No more items to fetch."
            has_more=false
            break
        fi
        # Append the content to the BibTeX file
        echo "$content" >> "$BIBTEX_FILE"

        # Check if there are more items by inspecting the Link header or counting the items
        num_items=$(echo "$content" | grep -c "@")  # Counting BibTeX entries
        echo "downloaded $num_items items"
        if [ "$num_items" = "0" ]; then
            has_more=false
        else
            start=$((start + limit))
        fi
        echo "start=$start, has_more=$has_more"
    done

    echo "BibTeX entries updated successfully in $BIBTEX_FILE."
}

# Main script logic
parse_args "$@"

case "$1" in
    setup)
        setup
        ;;
    clean)
        clean
        ;;
    create)
        create_release "$2"
        ;;
    list)
        list_releases "${2:-5}"
        ;;
    delete)
        delete_release "$2"
        ;;
    update-bibtex)
        update_bibtex2
        ;;
    *)
        echo "Usage: $0 [options] {setup|create|list|delete|update-bibtex} [version]"
        echo "Options:"
        echo "  --zotero-user-id    Zotero User ID (optional, omit if using group id given)"
        echo "  --zotero-api-key    Zotero API Key"
        echo "  --zotero-group-id   Zotero Group ID (optional, omit if using user id given)"
        echo "  --bibtex-file       Path to the BibTeX file (default: your_bibtex_file.bib)"
        echo "Commands:"
        echo "  setup               : Setup hooks for commit, checkout, and merge"
        echo "  clean               : Clean latex build files"
        echo "  create              : Create a new release with the provided version"
        echo "  list                : List all existing releases"
        echo "  delete              : Delete the release with the provided version"
        echo "  update-bibtex       : Fetch and update the BibTeX file from Zotero"
        echo "  version             : Optional argument specifying the version for create and delete commands"
        exit 1
        ;;
esac