#!/bin/bash
# Smart Git Push Script - Token-efficient commits
# Usage: ./git_push.sh [optional custom message]

set -e  # Exit on any error

# Create log file with timestamp
LOG_FILE="git_push.log"
echo "=== Git Push Log - $(date) ===" >> "$LOG_FILE"

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

echo -e "${BLUE}🚀 Smart Git Push${NC}"

# Check if we're in a git repo
if ! git rev-parse --git-dir > /dev/null 2>&1; then
    echo -e "${RED}❌ Not in a git repository${NC}"
    echo "ERROR: Not in a git repository" >> "$LOG_FILE"
    exit 1
fi

# Check if there are any changes (including untracked files)
if git diff --quiet && git diff --staged --quiet && [ -z "$(git ls-files --others --exclude-standard)" ]; then
    echo -e "${GREEN}✅ No changes to commit${NC}"
    echo "INFO: No changes to commit" >> "$LOG_FILE"
    exit 0
fi

# Auto-detect change types (include untracked files)
MODIFIED_FILES=$(git diff --name-only HEAD 2>/dev/null; git diff --name-only --staged 2>/dev/null; git ls-files --others --exclude-standard 2>/dev/null | head -10)
CHANGE_TYPES=()

if echo "$MODIFIED_FILES" | grep -q "\.py$"; then
    CHANGE_TYPES+=("Python code")
fi
if echo "$MODIFIED_FILES" | grep -q "webserver\.py\|\.html$\|\.css$"; then
    CHANGE_TYPES+=("web interface")
fi
if echo "$MODIFIED_FILES" | grep -q "database\.py\|\.sql$"; then
    CHANGE_TYPES+=("database")
fi
if echo "$MODIFIED_FILES" | grep -q "modules/"; then
    CHANGE_TYPES+=("bot modules")
fi
if echo "$MODIFIED_FILES" | grep -q "\.json$\|config/"; then
    CHANGE_TYPES+=("configuration")
fi
if echo "$MODIFIED_FILES" | grep -q "\.md$\|README\|\.txt$"; then
    CHANGE_TYPES+=("documentation")
fi
if echo "$MODIFIED_FILES" | grep -q "\.sh$\|\.py$" && echo "$MODIFIED_FILES" | grep -q "test\|fix\|bug"; then
    CHANGE_TYPES+=("bug fixes")
fi

# Generate commit message
if [ $# -gt 0 ]; then
    # Use provided message
    COMMIT_MSG="$*"
else
    # Auto-generate message
    if [ ${#CHANGE_TYPES[@]} -eq 0 ]; then
        COMMIT_MSG="Update project files"
    elif [ ${#CHANGE_TYPES[@]} -eq 1 ]; then
        COMMIT_MSG="Update ${CHANGE_TYPES[0]}"
    else
        # Join array elements with commas
        IFS=', '
        COMMIT_MSG="Update ${CHANGE_TYPES[*]}"
        unset IFS
    fi
    
    # Add timestamp for auto-generated messages
    COMMIT_MSG="$COMMIT_MSG - $(date '+%Y-%m-%d %H:%M')"
fi

# Add footer
COMMIT_MSG="$COMMIT_MSG

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>"

# Log the operation details
echo "Files changed: $MODIFIED_FILES" >> "$LOG_FILE"
echo "Commit message: $COMMIT_MSG" >> "$LOG_FILE"

# Stage all changes
echo -e "${BLUE}📦 Staging changes...${NC}"
git add . 2>> "$LOG_FILE"

# Commit
echo -e "${BLUE}💾 Committing...${NC}"
git commit -m "$COMMIT_MSG" >> "$LOG_FILE" 2>&1

# Push
echo -e "${BLUE}⬆️ Pushing to origin...${NC}"
git push origin main >> "$LOG_FILE" 2>&1

echo -e "${GREEN}✅ Successfully pushed to git!${NC}"

# Show summary (minimal)
CHANGED_COUNT=$(echo "$MODIFIED_FILES" | wc -l)
echo -e "${GREEN}📊 Pushed $CHANGED_COUNT file(s)${NC}"

# Log success
echo "SUCCESS: Push completed at $(date)" >> "$LOG_FILE"
echo "" >> "$LOG_FILE"