"""
Assignment view component for SkillSync
"""

import gradio as gr
from datetime import datetime

def create_assignment_view(module_data, module_id, progress_manager):
    """Create an assignment display and submission view"""
    
    assignment = module_data['assignment']
    
    with gr.Accordion(f"📝 Assignment: {assignment['title']}", open=False):
        gr.Markdown(f"""
        **Description:** {assignment['description']}
        
        **Estimated Time:** {assignment['time_estimate']}
        
        ---
        
        **Tasks:**
        """)
        
        for i, task in enumerate(assignment['tasks']):
            gr.Markdown(f"{i+1}. {task}")
        
        gr.Markdown("---")
        gr.Markdown("**Deliverables:**")
        
        for item in assignment['deliverables']:
            gr.Markdown(f"- {item}")
        
        gr.Markdown("---")
        gr.Markdown("### 📤 Submit Assignment")
        
        with gr.Row():
            with gr.Column():
                submission_title = gr.Textbox(
                    label="Submission Title",
                    placeholder="Enter a title for your submission"
                )
                
                submission_notes = gr.Textbox(
                    label="Notes to Reviewer",
                    lines=3,
                    placeholder="Any additional notes or comments"
                )
                
                submission_file = gr.File(
                    label="Upload Files",
                    file_types=[".zip", ".pdf", ".ipynb", ".py"]
                )
                
                submit_btn = gr.Button("Submit Assignment", variant="primary")
                submission_status = gr.Markdown()
                
                def submit_assignment(title, notes, file):
                    if not title:
                        return "❌ Please provide a title for your submission."
                    
                    submission_data = {
                        "title": title,
                        "notes": notes or "",
                        "has_file": file is not None
                    }
                    
                    progress_manager.save_assignment_submission(module_id, submission_data)
                    
                    return f"""
                    ✅ **Assignment Submitted Successfully!**
                    
                    **Title:** {title}
                    **Submitted at:** {datetime.now().strftime("%Y-%m-%d %H:%M:%S")}
                    
                    Your submission will be reviewed within 5-7 business days.
                    """
                
                submit_btn.click(
                    fn=submit_assignment,
                    inputs=[submission_title, submission_notes, submission_file],
                    outputs=[submission_status]
                )