taskflow.py

#!usr/bin/env python3
"""TaskFlow - A CLI Task Management Application

This is the main entry point for TaskFlow. It handles command-line arguments and routes them to hte appropriate functions.
"""
import sys
from storage import load_tasks, save_tasks

__version__ = "0.1.0"
__author__ = "Oussama BOUSSAHLA"

def add_task(title, priority="medium"):
    """Add a new task to the task list.
    
    Args:
        title: The task description
        priority: Priority level (low, medium, high)
    """
    data = load_tasks()
    task = {
        "id": data["next_id"],
        "title": title,
        "priority": priority,
        "completed": False
    }
    data["tasks"].append(task)
    data["next_id"] += 1
    save_tasks(data)
    print(f"Task #{task['id']} added : {title}")
    
def list_tasks():
    """List all tasks with colors AND emoji indicators."""
    data = load_tasks()
    if not data["tasks"]:
        print("No tasks yet. Add one with: taskflow add <title>")
        return
    
    print("\nYour Tasks:")
    print("-" * 50)
    for task in data["tasks"]:
        status = "[DONE]" if task["completed"] else "[    ]"
        # Combined: Color AND emoji based on priority
        if task["priority"] == "high":
            color, emoji = "\033[91m", "!!!"  # Red
        elif task["priority"] == "medium":
            color, emoji = "\033[93m", "!!"  # Yellow
        else:
            color, emoji = "\033[92m", "!!"  # Green
        reset = "\033[0m"
        print(f"{status} {emoji} {color}#{task['id']} {task['title']}{reset}")
        
def show_help():
    """Display detailed help information.
    
    Shows all available commands with examples.
    """
    print (" TaskFlow - CLI Task Manager ")
    print ("\nAvailable commands :")
    print (" add <title >       Add a new task ")
    print (" list               List all tasks ")
    print (" done <id>          Mark task as complete ")
    print (" delete <id>        Delete a task ")
    
def delete_task(task_id):
    """Delete a task by its ID.
    Args:
        task_id: The ID of the task to delete
    """
    data = load_tasks()
    original_count = len(data["tasks"])
    data["tasks"] = [t for t in data["tasks"] if t["id"] != task_id]
    
    if len(data["tasks"]) < original_count:
        save_tasks(data)
        print(f"Task #{task_id} deleted.")
    else:
        print(f"Task #{task_id} not found.")

def complete_task(task_id):
    """Mark a task as completed.
    
    Args:
        task_id: The ID of the task to complete
    """
    data = load_tasks()
    for task in data["tasks"]:
        if task["id"] == task_id:
            task["completed"] = True
            save_tasks(data)
            print(f"Task #{task_id} marked as complete!")
            return
    print(f"Task #{task_id} not found")

def search_tasks(query):
    """Search tasks by title.
    
    Args:
        query: Search string to match against task titles
    """
    data = load_tasks()
    results = [t for t in data["tasks"]
               if query.lower() in t["title"].lower()]
    if not results:
        print(f"No tasks found matching '{query}'")
        return
    print(f"Found {len(results)} task(s):")
    for task in results:
        status = "Done" if task["completed"] else "Pending"
        print(f" [{status}] #{task['id']} {task['title']}")
    
def main():
    """Main entry point for TaskFlow.
    
    This function displays the welcome message and usage instructions.
    We'll expand this to handle actual commdans in later steps.
    """
    
    if len(sys.argv) < 2:
        print (f" TaskFlow v{ __version__ }")
        print (" Your command - line task manager ")
        print ("\nUsage : python taskflow.py <command> [options]")
        print ("\nCommands :")
        print (" add    Add a new task ")
        print (" list   List all tasks ")
        print (" help   Show this help message ")
        return
    
    command = sys.argv[1]
    
    if command == "add" and len(sys.argv) >=3:
        title = " ".join(sys.argv[2:])
        add_task(title)
    elif command == "list":
        list_tasks()

    elif command == "done" and len(sys.argv) >= 3:
        task_id = int(sys.argv[2])
        complete_task(task_id)

    elif command == "delete" and len (sys.argv) >= 3:
        task_id = int(sys.argv[2])
        delete_task(task_id)
    elif command == "search" and len(sys.argv) >= 3:
        query = " ".join(sys.argv[2:])
        search_tasks(query)

    else:
        print(f"Unknown command: {command}")
    
if __name__ == "__main__":
    main()