#!/bin/bash

# Initializes a git repository and pushes to a remote using credentials from arguments
#
# Usage: ./git-init-from-config.sh <git-url> <git-user> <git-token>
#
# Arguments:
#   git-url    - Repository URL (e.g., https://gitea.example.com/user/repo.git)
#   git-user   - Git username
#   git-token  - Git token or password
#
# The branch name will be read from the VERSION file (first line)

set -e

if [ "$#" -lt 3 ]; then
    echo "Usage: $0 <git-url> <git-user> <git-token>"
    echo ""
    echo "Arguments:"
    echo "  git-url    - Repository URL (e.g., https://gitea.example.com/user/repo.git)"
    echo "  git-user   - Git username"
    echo "  git-token  - Git token or password"
    exit 1
fi

GIT_URL="$1"
GIT_USER="$2"
GIT_TOKEN="$3"

if [ -z "$GIT_URL" ]; then
    echo "Error: git-url is required"
    exit 1
fi

if [ -z "$GIT_USER" ]; then
    echo "Error: git-user is required"
    exit 1
fi

if [ -z "$GIT_TOKEN" ]; then
    echo "Error: git-token is required"
    exit 1
fi

if [ ! -f "VERSION" ]; then
    echo "Error: VERSION file not found in current directory"
    exit 1
fi

GIT_BRANCH=$(head -n 1 VERSION | tr -d '[:space:]')

if [ -z "$GIT_BRANCH" ]; then
    echo "Error: VERSION file is empty"
    exit 1
fi

echo "Version detected: $GIT_BRANCH"

if [[ "$GIT_URL" == https://* ]]; then
    URL_WITHOUT_PROTOCOL="${GIT_URL#https://}"
    AUTH_URL="https://${GIT_USER}:${GIT_TOKEN}@${URL_WITHOUT_PROTOCOL}"
elif [[ "$GIT_URL" == http://* ]]; then
    URL_WITHOUT_PROTOCOL="${GIT_URL#http://}"
    AUTH_URL="http://${GIT_USER}:${GIT_TOKEN}@${URL_WITHOUT_PROTOCOL}"
else
    echo "Error: URL must start with http:// or https://"
    exit 1
fi

echo "Initializing git repository..."
git init

echo "Adding all files..."
git add .

echo "Creating initial commit..."
git commit -m "Initial commit" || echo "Nothing to commit or already committed"

echo "Setting branch to $GIT_BRANCH..."
git branch -M "$GIT_BRANCH"

echo "Adding remote origin..."
git remote remove origin 2>/dev/null || true
git remote add origin "$AUTH_URL"

echo "Pushing to remote..."
git push -u origin "$GIT_BRANCH"

echo ""
echo "Done! Repository pushed to $GIT_URL on branch $GIT_BRANCH"