#!/bin/sh
set -e

# Define the target configuration file path where Forgejo (or Gitea) expects it.
CONFIG_DIR="/var/lib/gitea/custom/conf"
CONFIG_FILE="${CONFIG_DIR}/app.ini"

# Define the path to the default configuration file bundled in the image.
DEFAULT_CONFIG="/defaults/app.ini"

# Read the optional environment variable to force the configuration update.
# Set FORCE_COPY_APP_CONF=true to force overwriting the configuration file.
FORCE_COPY=${FORCE_COPY_APP_CONF:-false}

echo "Starting container initialization..."

# If the force option is enabled, remove the existing configuration file (if any)
if [ "$FORCE_COPY" = "true" ]; then
    echo "Force option enabled. Removing any existing configuration file at ${CONFIG_FILE}..."
    rm -f "$CONFIG_FILE"
fi

# If the configuration file does not exist, prepopulate it from the default copy.
if [ ! -f "$CONFIG_FILE" ]; then
    echo "Configuration file not found at ${CONFIG_FILE}."
    echo "Prepopulating the EFS volume with the default configuration."

    # Make sure the configuration directory exists.
    mkdir -p "$CONFIG_DIR"

    # Copy the default configuration file into the mounted volume.
    cp "$DEFAULT_CONFIG" "$CONFIG_FILE"

    # Set proper ownership and permissions.
    # Replace '1000:1000' with the UID:GID used by Forgejo if different.
    chown 1000:1000 "$CONFIG_FILE"
    chmod 644 "$CONFIG_FILE"

    echo "Prepopulation complete. Configuration is now available at ${CONFIG_FILE}."
else
    echo "Configuration file already exists at ${CONFIG_FILE}. Skipping prepopulation."
fi

# Optionally, log the first few lines of the configuration file for verification.
echo "Current configuration (first few lines):"
head -n 10 "$CONFIG_FILE"

# Hand over execution to the original entrypoint.
# The official Forgejo image typically uses the entrypoint at '/usr/local/bin/docker-entrypoint.sh'
exec /usr/local/bin/docker-entrypoint.sh "$@"