#!/bin/bash

# Define the default increment type (patch if not provided)
INCREMENT_TYPE=${1:-patch}

# Read the current version from .env
if ! grep -q "^APP_VERSION=" .env; then
    echo "APP_VERSION=$(date +'%y.%m')-0.1.0" >> .env
fi

CURRENT_VERSION=$(grep "^APP_VERSION=" .env | cut -d '=' -f2)

# Extract parts of the version
IFS='.-' read -r YY MM MAJOR MINOR PATCH <<< "$CURRENT_VERSION"

# Get the current date-based prefix
CURRENT_YY=$(date +'%y')
CURRENT_MM=$(date +'%m')

# If the month changes, reset the version
if [[ "$YY" != "$CURRENT_YY" || "$MM" != "$CURRENT_MM" ]]; then
    MAJOR=0
    MINOR=1
    PATCH=0
else
    # Increment version based on type
    if [[ "$INCREMENT_TYPE" == "major" ]]; then
        ((MAJOR++))
        MINOR=0
        PATCH=0
    elif [[ "$INCREMENT_TYPE" == "minor" ]]; then
        ((MINOR++))
        PATCH=0
    else
        ((PATCH++))
    fi
fi

# Generate new version
NEW_VERSION="$CURRENT_YY.$CURRENT_MM-$MAJOR.$MINOR.$PATCH"

# Update the .env file
sed -i "s/^APP_VERSION=.*/APP_VERSION=$NEW_VERSION/" .env

echo "Updated .env APP_VERSION to $NEW_VERSION"