#!/bin/bash

# tfcode Rebrand Script
# Reapplies all branding changes after upstream merge
# Run this after merging from opencode mirror

set -e

echo "🔧 Applying tfcode branding..."

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

# Track changes
CHANGES=0

# Function to count changes
count_changes() {
    CHANGES=$((CHANGES + 1))
}

# Function to sed with both extensions (GNU and BSD)
safe_sed() {
    local pattern="$1"
    local file="$2"
    
    if [[ "$OSTYPE" == "darwin"* ]]; then
        # macOS BSD sed
        sed -i '' "$pattern" "$file" 2>/dev/null || true
    else
        # GNU sed
        sed -i "$pattern" "$file" 2>/dev/null || true
    fi
    count_changes
}

echo ""
echo "📁 Processing TypeScript/JavaScript files..."

# TypeScript and JavaScript files
find . -type f \( -name "*.ts" -o -name "*.tsx" -o -name "*.js" -o -name "*.jsx" -o -name "*.mjs" -o -name "*.cjs" \) \
    -not -path "*/node_modules/*" \
    -not -path "*/.git/*" \
    -not -path "*/dist/*" \
    -not -path "*/build/*" | while read file; do
    
    # Command name: opencode -> tfcode
    safe_sed 's/opencode/tfcode/g' "$file"
    
    # Package name: opencode-ai -> tfcode
    safe_sed 's/opencode-ai/tfcode/g' "$file"
    
    # Env vars: OPENCODE_ -> TFCODE_
    safe_sed 's/OPENCODE_/TFCODE_/g' "$file"
    
    # URLs: opencode.ai -> toothfairyai.com
    safe_sed 's/opencode\.ai/toothfairyai.com/g' "$file"
    
    # Config directory: .opencode -> .tfcode
    safe_sed 's/\.opencode/.tfcode/g' "$file"
done

echo ""
echo "📁 Processing JSON files..."

# JSON files
find . -type f -name "*.json" \
    -not -path "*/node_modules/*" \
    -not -path "*/.git/*" \
    -not -path "*/dist/*" \
    -not -path "*/build/*" \
    -not -name "package-lock.json" | while read file; do
    
    safe_sed 's/opencode/tfcode/g' "$file"
    safe_sed 's/opencode-ai/tfcode/g' "$file"
    safe_sed 's/OPENCODE_/TFCODE_/g' "$file"
    safe_sed 's/opencode\.ai/toothfairyai.com/g' "$file"
    safe_sed 's/\.opencode/.tfcode/g' "$file"
done

echo ""
echo "📁 Processing Markdown files..."

# Markdown files
find . -type f -name "*.md" \
    -not -path "*/node_modules/*" \
    -not -path "*/.git/*" | while read file; do
    
    safe_sed 's/opencode/tfcode/g' "$file"
    safe_sed 's/opencode-ai/tfcode/g' "$file"
    safe_sed 's/OPENCODE_/TFCODE_/g' "$file"
    safe_sed 's/opencode\.ai/toothfairyai.com/g' "$file"
    safe_sed 's/\.opencode/.tfcode/g' "$file"
done

echo ""
echo "📁 Processing Shell scripts..."

# Shell scripts
find . -type f \( -name "*.sh" -o -name "*.bash" \) \
    -not -path "*/.git/*" | while read file; do
    
    safe_sed 's/opencode/tfcode/g' "$file"
    safe_sed 's/opencode-ai/tfcode/g' "$file"
    safe_sed 's/OPENCODE_/TFCODE_/g' "$file"
    safe_sed 's/opencode\.ai/toothfairyai.com/g' "$file"
done

echo ""
echo "📁 Processing Python files..."

# Python files
find . -type f -name "*.py" \
    -not -path "*/.git/*" \
    -not -path "*/__pycache__/*" \
    -not -path "*/.venv/*" \
    -not -path "*/venv/*" | while read file; do
    
    safe_sed 's/opencode/tfcode/g' "$file"
    safe_sed 's/opencode-ai/tfcode/g' "$file"
    safe_sed 's/OPENCODE_/TFCODE_/g' "$file"
    safe_sed 's/opencode\.ai/toothfairyai.com/g' "$file"
done

echo ""
echo "📁 Processing YAML files..."

# YAML files
find . -type f \( -name "*.yml" -o -name "*.yaml" \) \
    -not -path "*/node_modules/*" \
    -not -path "*/.git/*" | while read file; do
    
    safe_sed 's/opencode/tfcode/g' "$file"
    safe_sed 's/opencode-ai/tfcode/g' "$file"
    safe_sed 's/OPENCODE_/TFCODE_/g' "$file"
    safe_sed 's/opencode\.ai/toothfairyai.com/g' "$file"
done

echo ""
echo "📁 Processing config files..."

# Config files (no extension or specific names)
find . -type f \( \
    -name "Makefile" -o \
    -name "Dockerfile*" -o \
    -name ".env*" -o \
    -name "LICENSE" -o \
    -name "AUTHORS" -o \
    -name "CONTRIBUTORS" \
    \) -not -path "*/.git/*" | while read file; do
    
    safe_sed 's/opencode/tfcode/g' "$file"
    safe_sed 's/opencode-ai/tfcode/g' "$file"
    safe_sed 's/OPENCODE_/TFCODE_/g' "$file"
    safe_sed 's/opencode\.ai/toothfairyai.com/g' "$file"
done

echo ""
echo "🔄 Renaming config files..."

# Rename opencode.json to tfcode.json if it exists
if [ -f "opencode.json" ]; then
    if [ ! -f "tfcode.json" ]; then
        mv opencode.json tfcode.json
        echo "  ✓ Renamed opencode.json -> tfcode.json"
    else
        echo "  ⚠ tfcode.json already exists, keeping both files"
    fi
fi

# Rename .opencode directory to .tfcode if it exists
if [ -d ".opencode" ]; then
    if [ ! -d ".tfcode" ]; then
        mv .opencode .tfcode
        echo "  ✓ Renamed .opencode/ -> .tfcode/"
    else
        echo "  ⚠ .tfcode/ already exists, merging directories"
        cp -r .opencode/* .tfcode/ 2>/dev/null || true
    fi
fi

echo ""
echo "${GREEN}✅ Rebranding complete!${NC}"
echo ""
echo "Summary:"
echo "  - Processed files and applied branding changes"
echo "  - Renamed config files where applicable"
echo ""
echo "${YELLOW}Next steps:${NC}"
echo "  1. Review changes: git diff"
echo "  2. Run tests: npm test (or equivalent)"
echo "  3. Commit changes: git add . && git commit -m 'chore: reapply tfcode branding'"
echo ""