import React, { useState } from "react";
import { useSelector, useDispatch } from "react-redux";
import {
    add_todo,
    change_done,
    select_todos,
    select_last_index,
} from "./features/todo/reducer";

export function NewToDo() {
    const my_todos = useSelector(select_todos);
    const my_last_idx = useSelector(select_last_index);

    const dispatch = useDispatch();
    const [new_text, set_new_text] = useState("");
    const [new_done, set_new_done] = useState(false);
    const [new_priority, set_new_priority] = useState("Low");

    function handle_exit_modal() {
        // https://stackoverflow.com/questions/27826381/clearing-form-input-fields-in-bootstrap
        $("form").get(0).reset(); // Reset form

        set_new_text("");
        set_new_done(false);
        set_new_priority("Low");
    }

    return (
        <>
            <div className="container mt-3 mb-3">
                <button
                    type="button"
                    className="btn btn-outline-dark"
                    data-bs-toggle="modal"
                    data-bs-target="#NewToDo"
                >
                    + New To Do
                </button>
            </div>

            <div
                className="modal fade"
                id="NewToDo"
                tabIndex="-1"
                role="dialog"
                aria-labelledby="New To Do Window"
                aria-hidden="true"
            >
                <div
                    className="modal-dialog modal-dialog-centered"
                    role="document"
                >
                    <div className="modal-content">
                        <div className="modal-header">
                            <h5
                                className="modal-title"
                                id="exampleModalLongTitle"
                            >
                                Add a new to do
                            </h5>
                            <button
                                type="button"
                                className="close"
                                data-bs-dismiss="modal"
                                aria-label="Close"
                                onClick={handle_exit_modal}
                            >
                                <span aria-hidden="true">&times;</span>
                            </button>
                        </div>
                        <div className="modal-body">
                            <form>
                                <div className="form-floating mb-3">
                                    <input
                                        className="form-control"
                                        id="new-todo-id"
                                        value={my_last_idx + 1}
                                        disabled
                                    />
                                    <label htmlFor="floatingInput">ID</label>
                                </div>
                                <div className="form-floating mb-3">
                                    <input
                                        className="form-control"
                                        placeholder="Text"
                                        id="new-todo-text"
                                        onChange={(e) =>
                                            set_new_text(e.target.value)
                                        }
                                    />
                                    <label htmlFor="floatingInput">Text</label>
                                </div>
                                <div className="input-group mb-3">
                                    <span className="input-group-text">
                                        <i className="fa-regular fa-calendar"></i>
                                    </span>
                                    <div className="form-floating">
                                        <input
                                            className="form-control"
                                            id="new-todo-due-date"
                                            name="new-todo-due-date"
                                            placeholder="Due date"
                                        />
                                        <label htmlFor="floatingInput">
                                            Due Date
                                        </label>
                                    </div>
                                </div>
                                <div className="form-check mb-3">
                                    <input
                                        className="form-check-input"
                                        type="checkbox"
                                        value=""
                                        id="flexCheckDefault"
                                        onChange={(e) =>
                                            set_new_done(e.target.checked)
                                        }
                                    />
                                    <label
                                        className="form-check-label"
                                        htmlFor="flexCheckDefault"
                                    >
                                        Done
                                    </label>
                                </div>
                                <div className="form-floating mb-3">
                                    <select
                                        className="form-select"
                                        id="floatingSelect"
                                        aria-label="Floating label select example"
                                        onChange={(e) =>
                                            set_new_priority(e.target.value)
                                        }
                                    >
                                        <option value="Low" defaultValue>
                                            Low
                                        </option>
                                        <option value="Medium">Medium</option>
                                        <option value="High">High</option>
                                    </select>
                                    <label htmlFor="floatingSelect">
                                        Priority
                                    </label>
                                </div>
                            </form>
                        </div>
                        <div className="modal-footer">
                            <button
                                type="button"
                                className="btn btn-secondary"
                                data-bs-dismiss="modal"
                                onClick={handle_exit_modal}
                            >
                                Cancel
                            </button>
                            <button
                                type="button"
                                className="btn btn-primary"
                                onClick={() => {
                                    dispatch(
                                        add_todo({
                                            text: new_text,
                                            // Cannot update date on change. :'(
                                            due_date:
                                                document.getElementById(
                                                    "new-todo-due-date"
                                                ).value,
                                            done: new_done,
                                            priority: new_priority,
                                            creation_date:
                                                new Date().toString(),
                                        })
                                    ),
                                        handle_exit_modal();
                                }}
                                data-bs-dismiss="modal"
                            >
                                Add
                            </button>
                        </div>
                    </div>
                </div>
            </div>
        </>
    );
}

export function ListToDos() {
    const my_todos = useSelector(select_todos);
    const dispatch = useDispatch();

    return (
        <div className="container">
            <table className="table align-middle">
                <thead>
                    <tr>
                        <th scope="col">#</th>
                        <th scope="col">Name</th>
                        <th scope="col">Priority</th>
                        <th scope="col">Due Date</th>
                        <th scope="col">Actions</th>
                    </tr>
                </thead>
                <tbody className="table-group-divider">
                    {my_todos.map((item) => (
                        <tr key={item.id}>
                            <th scope="row">
                                <div className="form-check">
                                    <input
                                        className="form-check-input"
                                        type="checkbox"
                                        checked={item.done}
                                        id="flexCheckChecked"
                                        onChange={(e) =>
                                            dispatch(
                                                change_done({
                                                    id: item.id,
                                                    done: e.target.checked,
                                                })
                                            )
                                        }
                                    ></input>
                                </div>
                            </th>
                            <td>{item.text}</td>
                            <td>{item.priority}</td>
                            <td>{item.due_date}</td>
                            <td>
                                <div
                                    className="btn-group btn-group-sm"
                                    role="group"
                                    aria-label="Basic example"
                                >
                                    <button
                                        type="button"
                                        className="btn btn-outline-dark"
                                        disabled
                                    >
                                        Edit
                                    </button>
                                    <button
                                        type="button"
                                        className="btn btn-outline-dark"
                                        disabled
                                    >
                                        Delete
                                    </button>
                                </div>
                            </td>
                        </tr>
                    ))}
                </tbody>
            </table>
        </div>
    );
}