#!/bin/bash

# increment_build_push.sh
# Automates version increment, build, and git operations

set -e  # Exit on any error

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

echo -e "${GREEN}🔄 Starting increment, build, and push process...${NC}"

# Function to get the latest git tag
get_latest_tag() {
    # Get the latest tag that matches the pattern v*.*.* 
    git tag -l "v*.*.*" | sort -V | tail -n1
}

# Function to increment version
increment_version() {
    local version=$1
    # Remove 'v' prefix if present
    version=${version#v}
    
    # Split version into parts
    IFS='.' read -ra VERSION_PARTS <<< "$version"
    
    # Increment the patch version (last digit)
    local major=${VERSION_PARTS[0]}
    local minor=${VERSION_PARTS[1]}
    local patch=${VERSION_PARTS[2]}
    
    patch=$((patch + 1))
    
    echo "$major.$minor.$patch"
}

# Step 1: Get current version
echo -e "${YELLOW}📋 Getting current version...${NC}"
current_tag=$(get_latest_tag)
if [ -z "$current_tag" ]; then
    echo -e "${YELLOW}⚠️  No existing version tags found, starting with v0.1.0${NC}"
    current_version="0.1.0"
else
    echo -e "Current tag: ${current_tag}"
    current_version=${current_tag#v}
fi

# Step 2: Increment version
new_version=$(increment_version "$current_version")
new_tag="v$new_version"

echo -e "${GREEN}📈 Incrementing version: $current_version → $new_version${NC}"

# Step 2.5: Save version to src/VERSION file
echo -e "${YELLOW}💾 Saving version to src/VERSION...${NC}"
echo "$new_version" > src/VERSION
echo -e "Version saved: ${GREEN}$new_version${NC}"

# Step 2.5: Run build.js
echo -e "${YELLOW}🔧 Running build process...${NC}"
cd src
node build.js
cd ..
echo -e "${GREEN}✅ Build completed${NC}"

# Step 3: Git add
echo -e "${YELLOW}📦 Adding files to git...${NC}"
git add .

# Step 4: Handle commit message and commit
commit_message=""
if [ $# -eq 0 ]; then
    # No arguments provided, ask for commit message
    echo -e "${YELLOW}💬 Please enter a commit message:${NC}"
    read -p "> " commit_message
    
    if [ -z "$commit_message" ]; then
        echo -e "${RED}❌ Commit message cannot be empty${NC}"
        exit 1
    fi
else
    # Use provided arguments as commit message
    commit_message="$*"
fi

echo -e "${YELLOW}💬 Committing changes...${NC}"
git commit -m "$commit_message"

echo -e "${YELLOW}🏷️  Creating git tag: $new_tag${NC}"
git tag "$new_tag"

# Step 5: Git push
echo -e "${YELLOW}🚀 Pushing to remote...${NC}"
git push
git push --tags

echo -e "${GREEN}🎉 Successfully completed:${NC}"
echo -e "  • Version incremented to: ${GREEN}$new_version${NC}"
echo -e "  • VERSION file updated: ${GREEN}src/VERSION${NC}"
echo -e "  • Build completed: ${GREEN}build/nostr-lite.js${NC}"
echo -e "  • Git tag created: ${GREEN}$new_tag${NC}"
echo -e "  • Changes pushed to remote${NC}"
echo -e "\n${GREEN}✨ Process complete!${NC}"