const todos = [{
    text: 'Order Cat food',
    completed: false
}, {
    text: 'Clean kitchen',
    completed: true
}, {
    text: 'Buy food',
    completed: true
}, {
    text: 'Do work',
    completed: false
}, {
    text: 'Exercise',
    completed: true
}]

// 1. Convert array to array of objects -> text, completed

// 2. Create function to remove a todo by text value
const deleteTodo = function (todos, todoText) {
    const index = todos.findIndex(function(array) {
        if (array.text.toLowerCase() === todoText.toLowerCase()){
            console.log(`found!`)
        }
        console.log(`not found!`)
        return array.text.toLowerCase() === todoText.toLowerCase()
    })
    // console.log(index)
    if (index > -1) {
        todos.splice(index, 1)
        console.log(`deleted index at ${index}`)
    }
}

// returns only the items that are set to completed: false
const getThingsToDo = function (todos) {
    return todos.filter(function (todo, index) {
        return !todo.completed
    })
}

// console.log(getThingsToDo(todos))

// deleteTodo(todos, 'buy food')
// console.log(todos)

// false 0 < true 1 returns true
// true 1 < false 0 returns false

// false should be top, true will be on bottom
//  
const sortTodos = function(todos) {
    todos.sort(function(a, b) {
        if (!a.completed && b.completed ) {
            return -1
        } else {
            if (!b.completed && a.completed) {
                return 1
            } else {
                return 0
            }
        }
    })
}

sortTodos(todos)
console.log(todos)