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#!/usr/bin/env python

from __future__ import division
import ipdb
import os

import random
import sys
import time

from midiutil.MidiFile import MIDIFile as midifile
import parse
import topsort
import yaml

import tree

random.seed(time.time())
mymidi = midifile(15)

def main():
    composition = {
        "intro": {
            "body": {
                "percusion": {
                    "channel": 14,  # Orchestra kit
                    "octave": 4,
                    "duration": 60,
                    "grammars": {
                        "u": ["A ^A (u)"]
                    }
                },
                "pan_flute": {
                    "channel": 8,
                    "octave": 5,
                    "duration": 60,
                    "vol_offset": -15,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["[C2'] C2' | [A3] A3 (u)"],
#                        "u": ["[C2'] [B2] | [A3] D3 || B | C' | D | C2' C2' | z | (u)", "C2' C2' | C2' C2' | (x)"],
#                        "v": ["G2 F2 | E2 F2 | D5 (u)", "B/4 C/4' B/4 A/4 | D2 D2 | z | (u)"],























#                        "x": ["z4 | (v)"],
                    },








                },
                "bass": {
                    "channel": 4,
                    "sync": "pan_flute",
                    "octave": 2,
                    "duration": 60,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C/2 C/2 C/2 z/2 (u)"],
                    },
                },
                "horn_timbre1": { 
                    "channel": 13,  # 'Atmosphere'
                    "octave": 2,
                    "duration": 60,

                    "grammars": {  # Notes for this instrument to use in this piece










                        "u": ["C4 D4 (u)"],

                    },









                },










                "horn_timbre2": {  
                    "channel": 13,
                    "octave": 2,
                    "duration": 60,

                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["G4 A4 (u)"],
                    },
                },
            },
        },
        "section1": {




































            "body": {
                "guitar": {  # Instrument 'melody'
                    "channel": 6,
                    "octave": 5,
                    "duration": 60,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C | E | A | F | G | z | (u)", "C | E | A | F | G | z | (v)"],
                        "v": ["A/2 D/2 | G/2 C/2 | F/2 B/2 | E/2 | z/2 | (u)"],
                    },
                },
                "bass": {  # Instrument 'bass'
                    "channel": 4,
                    "sync": "guitar",
                    "octave": 2,
                    "duration": 60,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C/2 C/2 | C/2 z/2 | (u)"],
                    },
                },









                "horn_timbre1": {
                    "channel": 13,
                    "octave": 2,
                    "duration": 60,

                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C4 D4 (u)"],
                    },
                },



                "horn_timbre2": { 









                    "channel": 13,
                    "octave": 2,
                    "duration": 60,

                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["G4 A4 (u)"],









                    },
                },
            },
        },
    }

    section_start = 0
    for section_name in ["intro", "section1"]:
        print "Section " + section_name
        subsection_start = section_start
        section = composition[section_name]
        for subsection in ["intro", "body", "outro"]:
            if not section.has_key(subsection):
                continue
            print "\tSubsection " + subsection






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#!/usr/bin/env python

from __future__ import division
import ipdb
import os
from pprint import pprint
import random
import sys
import time

from midiutil.MidiFile import MIDIFile as midifile
import parse
import topsort
import yaml

import tree

random.seed(time.time())
mymidi = midifile(15, deinterleave=True)

def main():
    composition = {
        "intro": {
            "intro": {








                "pan_flute": {
                    "channel": 8,
                    "octave": 5,
                    "duration": 60,
                    "vol_offset": -15,
                    "grammars": {  # Notes for this instrument to use in this piece

                        "u": ["C2' B2 | A3 D3 || B | C' | D | C2' C2' | z | (u)", "C2' C2' | C2' C2' | (x)"],
                        "v": ["G2 F2 | E2 F2 | D5 (u)", "B/4 C/4' B/4 A/4 | D2 D2 | z | (u)"],
                        "x": ["z8 | (v)"],
                    },
                },
                "taisho_koto": {
                    "channel": 11,
                    "octave": 5,
                    "duration": 60,
                    "sync": "pan_flute",
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C/2 F/2 | D/2 z/2 | z4 | (u)", "C/2 F/2 | G/2 F/2 | (u)", "A/2 F/2 z/2 C/2 | z | (u)"],
                        "v": ["z4 (v)"],
                        "x": ["C/2 C/2 | F/2 G/2 | F/2, G/2 | z/2 C/2 | (x)", "C/2 F/2 | D/2 C/4 z/4 | F/2 G/2 A/2 C/2 | (x)"],
                    },
                },
                "vibraphone": {
                    "channel": 14,
                    "vol_offset": 27,
                    "octave": 5,
                    "sync": "pan_flute",
                    "duration": 60,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["z4 (u)"],
                        "v": ["G2 F2 | E2 F2 | D5 (u)", "B/4 C/4' B/4 A/4 | D2 D2 | z | (u)"],
                        "x": ["z4 | (v)"],
                    },
                },
                "percusion": {
                    "channel": 9,  # Orchestra kit
                    "octave": 4,
                    "duration": 60,
                    "grammars": {
                        "u": ["A ^A (u)"]
                    }
                },
                "bass": {
                    "channel": 4,
                    "sync": "pan_flute",
                    "octave": 2,
                    "duration": 60,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C/2 C/2 C (u)"],
                    },
                },
                "horn_timbre1": { 
                    "channel": 13,  # 'Atmosphere'
                    "octave": 2,
                    "duration": 60,
                    "vol_offset": -15,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["[C]4 [D]4 (u)"],
                    },
                },
            },
            "body": {
                "percusion": {
                    "channel": 9,  # Orchestra kit
                    "octave": 4,
                    "duration": 60,
                    "grammars": {
                        "u": ["A ^A (u)"]
                    }
                },
                "vibraphone": {
                    "channel": 14,
                    "vol_offset": 27,
                    "octave": 5,
                    "duration": 60,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C2' B2 | A3 D3 || B | C' | D | C2' C2' | z | (u)", "C2' C2' | C2' C2' | (x)"],
                        "v": ["G2 F2 | E2 F2 | D5 (u)", "B/4 C/4' B/4 A/4 | D2 D2 | z | (u)"],
                        "x": ["z4 | (v)"],
                    },
                },
                "bass": {
                    "channel": 4,
                    "sync": "vibraphone",
                    "octave": 2,
                    "duration": 60,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C/2 C/2 C (u)"],
                    },
                },
                "horn_timbre1": { 
                    "channel": 13,  # 'Atmosphere'
                    "octave": 2,
                    "duration": 60,
                    "vol_offset": -15,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["[C]4 [D]4 (u)"],
                    },
                },
            },
        },
        "section1": {
            "intro": {
                "reverse_cymbal": {
                    "channel": 5,
                    "octave": 3,
                    "duration": 3,
                    "grammars": {
                        "u": ["B3"]
                    }
                },
                "bass": {
                    "channel": 4,
                    "octave": 2,
                    "duration": 3,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C/2 C/2 C (u)"],
                    },
                },
                "percusion": {
                    "channel": 9,  # Orchestra kit
                    "octave": 4,
                    "duration": 3,
                    "vol_offset": -10,
                    "grammars": {
                        "u": ["E,, | z4 | (u)"]
                    }
                },
                "atmosphere1": {
                    "channel": 13,
                    "octave": 2,
                    "duration": 3,
                    "vol_offset": -15,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["[C]4 (u)"],
                    },
                },
            },
            "body": {
                "guitar": {  # Instrument 'melody'
                    "channel": 11,
                    "octave": 4,
                    "duration": 60,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C | E | A | F | G | z | (u)", "C | E | A | F | G | z | (v)"],
                        "v": ["A/2 D/2 | G/2 C/2 | F/2 B/2 | E/2 | z/2 | (u)"],
                    },
                },
                "bass": {  # Instrument 'bass'
                    "channel": 4,
                    "sync": "guitar",
                    "octave": 2,
                    "duration": 60,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C/2 C/2 | C/2 z/2 | (u)"],
                    },
                },
                "percusion": {
                    "channel": 9,  # Orchestra kit
                    "octave": 4,
                    "duration": 60,
                    "vol_offset": -10,
                    "grammars": {
                        "u": ["^G,, | ^A,, | ^G,,/2 ^A,,/2 | E,, | z4 | (u)", "E,, | z4 | (u)"]
                    }
                },
                "atmosphere1": {
                    "channel": 13,
                    "octave": 2,
                    "duration": 60,
                    "vol_offset": -15,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["[C]4 [D]4 (u)"],
                    },
                },
            },
        },
        "blackmore1": {
            "intro": {
                "guitar": {
                    "channel": 6,
                    "octave": 3,
                    "duration": 60,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C3 | C/4 D/4 E | C/4 C | (u)"],
                    },
                },
                "contrabass": {
                    "channel": 13,
                    "octave": 2,
                    "duration": 60,
                    "vol_offset": -45,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["[C]4 [D]4 (u)"],
                    },
                },
                "choir": {
                    "channel": 7,
                    "octave": 3,
                    "duration": 60,
                    "vol_offset": -35,
                    "grammars": {  # Notes for this instrument to use in this piece
                        "u": ["C2 G2 F2 B,2 C3 (u)"],
                    },
                },
            },
        },
    }

    section_start = 0
    for section_name in ["intro", "section1", "blackmore1"]:
        print "Section " + section_name
        subsection_start = section_start
        section = composition[section_name]
        for subsection in ["intro", "body", "outro"]:
            if not section.has_key(subsection):
                continue
            print "\tSubsection " + subsection
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                max_time = instr["duration"]
                instr_score, syncs = render_instr(instr, syncs, max_time)
                instrs.append(instr_score)

                volume = 100
                if instr.has_key("vol_offset"):
                    volume += instr["vol_offset"]

                midify_instr_score(instr_score, track, instr["channel"], subsection_start, volume=volume)

            longest_score = max(instrs, key=lambda i: score_len(i))
            subsection_start += score_len(longest_score)
            section_start += score_len(longest_score)
            track += 1
    with open("out.mid", "wb") as outfile:
        mymidi.writeFile(outfile)



def render_instr(instr, syncs, max_time):
    for g in instr["grammars"]:
        for i in range(len(instr["grammars"][g])):

            instr["grammars"][g][i] = parse.parse(instr["grammars"][g][i], default_octave=instr["octave"])




    score= []
    try:
        score, syncs = choose_phrase(instr, syncs, 0, max_time, None)

        while True:
            score_index_to_replace = None








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                max_time = instr["duration"]
                instr_score, syncs = render_instr(instr, syncs, max_time)
                instrs.append(instr_score)

                volume = 100
                if instr.has_key("vol_offset"):
                    volume += instr["vol_offset"]
                mymidi.addTrackName(track, 0, instr["name"])
                midify_instr_score(instr_score, track, instr["channel"], subsection_start, volume=volume)
                track += 1
            longest_score = max(instrs, key=lambda i: score_len(i))
            subsection_start += score_len(longest_score)
            section_start += score_len(longest_score)

    with open("out.mid", "wb") as outfile:
        mymidi.writeFile(outfile)



def render_instr(instr, syncs, max_time):
    for g in instr["grammars"]:
        for i in range(len(instr["grammars"][g])):
            try:
                instr["grammars"][g][i] = parse.parse(instr["grammars"][g][i], default_octave=instr["octave"])
            except topsort.CycleError:
                print "Your syncs created a loop! Fix it."
                sys.exit(1)

    score= []
    try:
        score, syncs = choose_phrase(instr, syncs, 0, max_time, None)

        while True:
            score_index_to_replace = None
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         fitting_phrases = get_phrases_that_fit(instr["grammars"][grammar], time_remaining)
         if len(fitting_phrases) > 0:
            time_filtered_grammars[grammar] = fitting_phrases
    if len(time_filtered_grammars.keys()) == 0:
        raise ValueError("No available grammars that will fit in the score")

    grammar = None



    if instr["sync"] is not None:
        guiding_instr = instr["sync"]
        sync_node = get_sync_node_at_time(syncs[guiding_instr], current_time)
        if sync_node in time_filtered_grammars.keys():
            grammar = sync_node
        else:
            grammar = random.choice(time_filtered_grammars.keys())








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         fitting_phrases = get_phrases_that_fit(instr["grammars"][grammar], time_remaining)
         if len(fitting_phrases) > 0:
            time_filtered_grammars[grammar] = fitting_phrases
    if len(time_filtered_grammars.keys()) == 0:
        raise ValueError("No available grammars that will fit in the score")

    grammar = None
#    if instr["name"] == "taisho_koto":
#        ipdb.set_trace()

    if instr["sync"] is not None:
        guiding_instr = instr["sync"]
        sync_node = get_sync_node_at_time(syncs[guiding_instr], current_time)
        if sync_node in time_filtered_grammars.keys():
            grammar = sync_node
        else:
            grammar = random.choice(time_filtered_grammars.keys())
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