#!/bin/bash

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

# Function to display a message in red color
error() {
    echo -e "\e[31m$1\e[0m"
}

# Function to display a message in green color
success() {
    echo -e "\e[32m$1\e[0m"
}

# Ensure we're inside a Git repository
if ! git rev-parse --git-dir > /dev/null 2>&1; then
    error "Error: This directory is not a Git repository."
    exit 1
fi

# Get the current branch name
CURRENT_BRANCH=$(git symbolic-ref --short HEAD)

# Check if the current branch is 'development'
if [ "$CURRENT_BRANCH" != "development" ]; then
    error "Error: You are not on the 'development' branch."
    echo "Please switch to the 'development' branch and run this script again."
    exit 1
fi

# Prompt for a commit message
echo "Enter your commit message:"
read -r COMMIT_MESSAGE

# Check if the commit message is empty
if [ -z "$COMMIT_MESSAGE" ]; then
    error "Error: Commit message cannot be empty."
    exit 1
fi

# Add all changes
git add .

# Commit the changes with the provided message
git commit -m "$COMMIT_MESSAGE"

# Show the last commit
echo "Last commit on 'development' branch:"
git --no-pager log -1 --pretty=format:"%h - %s (%an, %ar)"
echo

# Prompt for confirmation to push to 'production'
echo "Do you want to merge 'development' into 'production' and push to the remote repository? (yes/no)"
read -r CONFIRMATION

if [ "$CONFIRMATION" != "yes" ]; then
    error "Aborting push to 'production' branch."
    exit 0
fi

# Fetch the latest changes from the remote repository
git fetch origin

# Switch to the 'production' branch
git checkout production

# Pull the latest changes in 'production' branch
git pull origin production

# Merge 'development' into 'production'
git merge --no-ff development -m "Merge branch 'development' into 'production'"

# Push the 'production' branch to the remote repository
git push origin production

# Switch back to the 'development' branch
git checkout development

success "Successfully pushed changes from 'development' to 'production' branch."