"""
Authors: 
Consulted:
Purpose: CS111 Lab For loops and wavesynth music
Date: Fall 2023
Filename: notes.py
"""

from wavesynth import *

import random


def randomPitch():
    '''Returns random pitch'''
    return random.choice([P3, P4, P5, P6, P7, P8, P9, P10])


def randomDuration(shortest, longest):
    """Returns a random duration between shortest a longest."""
    return shortest + (longest - shortest) * random.random()

  
def clear():
    """
    Clears the track so you can start over.
    """
    resetTracks()


# Write your functions below this line:
# -------------------------------------


def randomNotes(number, minDuration, maxDuration):
    '''
    Randomly sequences notes and rests into a "tune."
    '''
    for i in range(number):
        # generate note and rest durations:
        noteDur = randomDuration(minDuration, maxDuration)
        restDur = randomDuration(minDuration, maxDuration)
        # Pick random pitch
        setPitch(randomPitch())
        # Add note
        addNote(noteDur)
        # Add rest
        addRest(restDur)


def makeScale(number, duration):
    "Adds notes at increasing pitches. Returns to starting pitch at end."
    for i in range(number):
        addNote(duration)
        climbUp(1)
    climbDown(number)


def makeGapScale(number, duration, gap):
    """
    Adds notes at increasing pitches, with gaps in between. Returns to
    the starting pitch at end.
    """
    for i in range(number):
        addNote(duration)
        climbUp(1 + gap)
    climbDown(number)


# Testing code:
clear()
# randomNotes(5, 0.1, 0.6)
#makeScale(8, 0.2)
makeGapScale(8, 0.3, 1)
saveTrack('scale.wav')
playTrack()