#!/bin/bash

function gpl {
	if ! is_a_git_repo; then
		echo "${BOLD} This won't work, you are not in a git repo !"
		return 0
	fi

	# check if it has a remote to push
	if ! has_remote; then
		repo_name=$(basename "$(git rev-parse --show-toplevel)")
		echo "${BOLD} The repo ${LIGHT_BLUE}$repo_name ${RESET_COLOR}has ${RED}no remote"
		return 0
	fi

	repo_url=$(git config --get remote.origin.url)
	repo_name="$(echo "$repo_url" | awk -F '/' '{print $NF}' | sed 's/.git$//')"
	current_branch=$(git branch | awk '/\*/ {print $2}')
	is_remote_branch=$(git branch -r | grep "origin/$current_branch")

	# check if the current branch has remote
	if [ -z "$is_remote_branch" ]; then
		echo "${BOLD} The remote repo ${LIGHT_BLUE}$repo_name" \
			"${RESET_COLOR}has no branch named ${GREEN}$current_branch ${RESET_COLOR}!"
		return 0
	fi

	# Pull changes from remote branch
	git pull origin $current_branch
}

# Resolve the full path to the script's directory
REAL_PATH="$(dirname "$(readlink -f "$0")")"
PARENT_DIR="$(dirname "$REAL_PATH")"
CATEGORY="git.scripts"

HELPS_DIR="$PARENT_DIR/helps/$CATEGORY"
HELP_FILE="$(basename "$0" .sh)_help.sh"

UTILS_DIR="$PARENT_DIR/utils"

# Import necessary variables and functions
source "$UTILS_DIR/check_connection.sh"
source "$UTILS_DIR/check_remote.sh"
source "$UTILS_DIR/check_git.sh"
source "$UTILS_DIR/setup_git.sh"
source "$UTILS_DIR/check_sudo.sh"
source "$UTILS_DIR/colors.sh"
source "$UTILS_DIR/usage.sh"

# Import help file
source "$HELPS_DIR/$HELP_FILE"

# Usage function to display help
function usage {
  show_help "Usage" "${gpl_arguments[@]}"
  show_help "Description" "${gpl_descriptions[@]}"
  show_help "Options" "${gpl_options[@]}"
  show_extra "${gpl_extras[@]}"
  exit 0
}

# Check if --help is the first argument
[ "$1" = "--help" ] && usage

# prompt for sudo
# password if required
allow_sudo

# Setting up git
setup_git

# Check for internet connectivity to GitHub
check_connection

# Call gpl function
gpl