cim_summary/scripts/version-compare.sh

#!/bin/bash

# 🏭 Production Version Comparison Script
# Easily compare, revert, and work with different production versions

set -e

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
PURPLE='\033[0;35m'
NC='\033[0m' # No Color

# Function to print colored output
print_status() {
    echo -e "${BLUE}[INFO]${NC} $1"
}

print_success() {
    echo -e "${GREEN}[SUCCESS]${NC} $1"
}

print_warning() {
    echo -e "${YELLOW}[WARNING]${NC} $1"
}

print_error() {
    echo -e "${RED}[ERROR]${NC} $1"
}

print_step() {
    echo -e "${PURPLE}[STEP]${NC} $1"
}

# Version definitions
PRODUCTION_BACKUP_V1_0="PRODUCTION-BACKUP-v1.0"
PRODUCTION_BACKUP_V1_1="PRODUCTION-BACKUP-v1.1"
CURRENT_PRODUCTION="CURRENT-PRODUCTION"
PREVIEW_BRANCH="preview-capabilities-phase1-2"

# Function to show available versions
show_versions() {
    echo "🏷️  Available Production Versions:"
    echo ""
    echo "1. ${GREEN}PRODUCTION-BACKUP-v1.0${NC} (e0a37bf) - Stable deployment before major updates"
    echo "2. ${GREEN}PRODUCTION-BACKUP-v1.1${NC} (b319ae0) - Clean state before inline editing features"
    echo "3. ${GREEN}CURRENT-PRODUCTION${NC} (57770fd) - Currently deployed on master"
    echo "4. ${YELLOW}preview-capabilities-phase1-2${NC} (0ab005c) - Current development branch"
    echo ""
}

# Function to compare versions
compare_versions() {
    local version1=$1
    local version2=$2
    
    print_step "Comparing $version1 vs $version2"
    
    if [ "$version1" = "$version2" ]; then
        print_error "Cannot compare version to itself"
        exit 1
    fi
    
    # Show file differences
    echo "📊 File differences:"
    git diff --name-status $version1 $version2 | head -20
    
    echo ""
    echo "📈 Summary of changes:"
    git diff --stat $version1 $version2
    
    echo ""
    echo "🔍 Detailed diff (first 50 lines):"
    git diff $version1 $version2 | head -50
    
    print_success "Comparison completed"
}

# Function to create rollback branch
create_rollback() {
    local version=$1
    local branch_name="rollback-$(date +%Y%m%d-%H%M%S)"
    
    print_step "Creating rollback branch from $version"
    
    git checkout $version
    git checkout -b $branch_name
    
    print_success "Created rollback branch: $branch_name"
    print_status "To deploy this rollback:"
    echo "  git push origin $branch_name"
    echo "  firebase use cim-summarizer"
    echo "  firebase deploy --only functions"
}

# Function to show version details
show_version_details() {
    local version=$1
    
    print_step "Details for $version"
    
    echo "📋 Commit Information:"
    git show --no-patch --format="%H%n%an%n%ad%n%s" $version
    
    echo ""
    echo "📁 Files changed:"
    git show --name-only $version | head -10
    
    echo ""
    echo "📝 Commit message:"
    git show --no-patch --format="%B" $version
}

# Function to show help
show_help() {
    echo "🏭 Production Version Comparison Script"
    echo ""
    echo "Usage: $0 [COMMAND] [OPTIONS]"
    echo ""
    echo "Commands:"
    echo "  versions                    Show all available versions"
    echo "  compare <v1> <v2>          Compare two versions"
    echo "  rollback <version>         Create rollback branch from version"
    echo "  details <version>          Show detailed information about version"
    echo "  diff <v1> <v2>            Show file differences between versions"
    echo "  help                       Show this help message"
    echo ""
    echo "Examples:"
    echo "  $0 versions"
    echo "  $0 compare PRODUCTION-BACKUP-v1.0 preview-capabilities-phase1-2"
    echo "  $0 rollback PRODUCTION-BACKUP-v1.1"
    echo "  $0 details CURRENT-PRODUCTION"
    echo ""
    echo "Available versions:"
    echo "  PRODUCTION-BACKUP-v1.0, PRODUCTION-BACKUP-v1.1, CURRENT-PRODUCTION"
    echo "  preview-capabilities-phase1-2"
}

# Main script logic
case "${1:-help}" in
    "versions")
        show_versions
        ;;
    "compare")
        if [ -z "$2" ] || [ -z "$3" ]; then
            print_error "Usage: $0 compare <version1> <version2>"
            exit 1
        fi
        compare_versions "$2" "$3"
        ;;
    "rollback")
        if [ -z "$2" ]; then
            print_error "Usage: $0 rollback <version>"
            exit 1
        fi
        create_rollback "$2"
        ;;
    "details")
        if [ -z "$2" ]; then
            print_error "Usage: $0 details <version>"
            exit 1
        fi
        show_version_details "$2"
        ;;
    "diff")
        if [ -z "$2" ] || [ -z "$3" ]; then
            print_error "Usage: $0 diff <version1> <version2>"
            exit 1
        fi
        git diff --name-status "$2" "$3"
        ;;
    "help"|*)
        show_help
        ;;
esac