from sqlite3 import Cursor
import time
from typing import List

from model.task import Task, ValidTaskForm

def get(cursor: Cursor) -> List[Task]:
    cursor.execute(
        " SELECT"
        "   id,"
        "   created_at,"
        "   updated_at,"
        "   name,"
        "   duration,"
        "   difficulty,"
        "   priority,"
        "   description"
        " FROM tasks")

    res = []

    for task in cursor.fetchall():
        res.append(Task(
            id = task[0],
            created_at = task[1],
            updated_at = task[2],
            name = task[3],
            duration = task[4],
            difficulty = task[5],
            priority = task[6],
            description = task[7]
        ))

    return res

def insert(cursor: Cursor, form: ValidTaskForm):
    now = int(time.time())
    cursor.execute(
        " INSERT INTO tasks("
        "   created_at,"
        "   updated_at,"
        "   name,"
        "   duration,"
        "   difficulty,"
        "   priority,"
        "   description"
        " ) VALUES (?, ?, ?, ?, ?, ?, ?)",
        (now, now, form.name, form.duration, int(form.difficulty), int(form.priority), form.description))

    return Task(
        id = cursor.lastrowid,
        created_at = now,
        updated_at = now,
        name = form.name,
        duration = form.duration,
        difficulty = form.difficulty,
        priority = form.priority,
        description = form.description
    )

def update(cursor: Cursor, task: Task, form: ValidTaskForm):
    now = int(time.time())

    cursor.execute(
        " UPDATE tasks SET"
        "   updated_at = ?,"
        "   name = ?,"
        "   duration = ?,"
        "   difficulty = ?,"
        "   priority = ?,"
        "   description = ?"
        " WHERE id = ?",
        (now, form.name, form.duration, int(form.difficulty), int(form.priority), form.description, task.id))

    return Task(
        id = task.id,
        created_at = task.created_at,
        updated_at = now,
        name = form.name,
        duration = form.duration,
        difficulty = form.difficulty,
        priority = form.priority,
        description = form.description
    )

def delete(cursor: Cursor, ids):
    if len(ids) >= 1:
        cursor.execute(
            'DELETE FROM tasks WHERE id IN (%s)' % ','.join('?'*len(ids)),
            ids)