#!/usr/bin/env python3.9
# -*- coding: utf-8 -*-
"""
Example demonstrating how to use the render function
"""

from pyenjoy.template.Engine import Engine

# Initialize the engine (global instance)
engine = Engine.use()

# Configure the engine (optional)
engine.base_template_path = "./templates"  # Set base template directory
engine.encoding = "utf-8"  # Set template encoding
engine.dev_mode = True  # Enable auto-reload for development

def render(page, data):
    """
    Render a template file with provided data
    
    Args:
        page: Template file name (relative to base_template_path)
        data: Dictionary with template data
        
    Returns:
        Rendered template string
    """
    template = engine.get_template(page)
    result = template.render_to_string(data)
    return result

def render_string(template_content, data):
    """
    Render a template string with provided data
    
    Args:
        template_content: Template content as string
        data: Dictionary with template data
        
    Returns:
        Rendered template string
    """
    template = engine.get_template_by_string(template_content)
    result = template.render_to_string(data)
    return result

# Example usage
if __name__ == "__main__":
    # Example 1: Render from file
    print("Example 1: Render from file")
    print("=" * 50)
    try:
        # Create a simple template file for testing
        import os
        # os.makedirs("./templates", exist_ok=True)
        # with open("./templates/test.html", "w", encoding="utf-8") as f:
        #     f.write("Hello, #(name)!")
        
        # Render the template
        data = {"name": "World", "items": [
            {"id": 1, "title": "文章1", "author": "张三", "tags": ["cdms", "管理系统"], "create_time": "2023-01-01"},
            {"id": 2, "title": "文章2", "author": "李四", "tags": ["python"], "create_time": "2023-02-01"}
        ]}
        result = render("test.html", data)
        print(f"Rendered result: {result}")
        
        # Clean up
        # os.remove("./templates/test.html")
        # os.rmdir("./templates")
    except Exception as e:
        print(f"Error: {e}")
    
    # Example 2: Render from string
    print("\nExample 2: Render from string")
    print("=" * 50)
    template_content = "Name: #(name), Age: #(age??'未知')"
    data = {"name": "张三"}
    result = render_string(template_content, data)
    print(f"Rendered result: {result}")
    
    # Example 3: Render with filters
    print("\nExample 3: Render with filters")
    print("=" * 50)
    template_content = "Tags: #(tags | join(', '))"
    data = {"tags": ["cdms", "管理系统"]}
    result = render_string(template_content, data)
    print(f"Rendered result: {result}")
    
    print("\nAll examples completed!")