#!/usr/bin/env bash
#
# LinkSyncServer - Deploy Script
#
# Prepares a deployment package by copying only production files,
# excluding development artifacts, and creating a starter .env file.
#
# Usage: ./deploy.sh <deploy_path>
#
# After running, edit the .env file with production secrets
# and run: docker-compose up -d --build
#

set -euo pipefail

SOURCE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
DEPLOY_PATH="${1:?Usage: $0 <deploy_path>}"

RED='\033[0;31m'
CYAN='\033[0;36m'
YELLOW='\033[1;33m'
GRAY='\033[0;37m'
GREEN='\033[0;32m'
NC='\033[0m'

echo -e "${CYAN}LinkSyncServer - Deploy Script${NC}"
echo -e "${GRAY}  Source:      $SOURCE_DIR${NC}"
echo -e "${GRAY}  Deploy to:   $DEPLOY_PATH${NC}"
echo ""

# Create target directory
mkdir -p "$DEPLOY_PATH"

# Clean if existing content
if [ "$(ls -A "$DEPLOY_PATH" 2>/dev/null)" ]; then
    read -p "Target folder already exists. Clear it? (y/N): " confirm
    if [ "$confirm" != "y" ]; then
        echo -e "${YELLOW}Aborted.${NC}"
        exit 1
    fi
    rm -rf "${DEPLOY_PATH:?}"/*
fi

echo -e "${GRAY}Copying files...${NC}"

# Exclusion patterns
EXCLUDE=(
    "__pycache__"
    ".pytest_cache"
    ".git"
    ".vscode"
    ".idea"
    ".mypy_cache"
    ".ruff_cache"
    "node_modules"
    "dist"
    "build"
    "tests"
    "*.egg-info"
    "deploy.sh"
)

# Build rsync exclude arguments
RSYNC_EXCLUDE=()
for pattern in "${EXCLUDE[@]}"; do
    RSYNC_EXCLUDE+=(--exclude="$pattern")
done

# Use rsync to copy, excluding dev artifacts
rsync -a "${RSYNC_EXCLUDE[@]}" \
    --exclude="*.pyc" \
    --exclude="*.pyo" \
    --exclude="*.pyd" \
    --exclude="*.db" \
    --exclude="*.sqlite3" \
    --exclude="deploy.ps1" \
    "$SOURCE_DIR/" "$DEPLOY_PATH/"

# Copy .env.example as .env
if [ -f "$SOURCE_DIR/.env.example" ]; then
    cp "$SOURCE_DIR/.env.example" "$DEPLOY_PATH/.env"
    echo -e "${GREEN}  Created .env from .env.example${NC}"
fi

echo ""
echo -e "${CYAN}Deployment package prepared at: $DEPLOY_PATH${NC}"
echo ""
echo -e "${YELLOW}Next steps:${NC}"
echo -e "${GRAY}  1. Edit $DEPLOY_PATH/.env with production secrets${NC}"
echo -e "${GRAY}     - Set DATABASE_URL (PostgreSQL connection string)${NC}"
echo -e "${GRAY}     - Set SECRET_KEY (generate: openssl rand -base64 32)${NC}"
echo -e "${GRAY}     - Set ADMIN_PASSWORD (strong password)${NC}"
echo -e "${GRAY}  2. cd $DEPLOY_PATH${NC}"
echo -e "${GRAY}  3. docker-compose up -d --build${NC}"
echo ""