#include "Sequencer.h"
#include "ConfigurationScreen.h"
#include "colors.h"
#include <iostream>

ConfigurationScreen::ConfigurationScreen(Sequencer& seq)
    : parent(seq)
{
}

void ConfigurationScreen::keyPressed(unsigned char x, unsigned char y)
{
    std::cout << "config clicked x=" << (int)x << ", y=" << (int)y << std::endl;

    if(x == 8) { // very right
    } else if(y == 8) { // very top
        bool playing = sequencer.player.isPlaying();
        switch(x) {
            case 5:
                disable();
                sequencer.playbackScreen.enable();
                break;
        }
    } else {
        switch(y) {
            case 0: { // number of beats
                unsigned int bit = (1 << (configWidth - x - 1));
                unsigned int beatsCount = sequencer.beats.size() ^ bit;
                std::cout << "set number of beats to " << beatsCount << std::endl;
                sequencer.beats.resize(beatsCount);
                } break;
            case 1: { // sequence expansion
                unsigned int factor = x + 2;
                if(sequencer.beats.size() * factor <= maxBeatsCount) {
                    sequencer.beats.expand(factor);
                    sequencer.player.setBpm(std::min(
                        sequencer.player.getBpm() * factor,
                        maxBpm
                        ));
                }
                } break;
            case 2: { // sequence reduction erasing conflicts
                unsigned int factor = x + 2;
                sequencer.beats.reduceErasingConflicts(factor);
                sequencer.player.setBpm(std::max(
                    sequencer.player.getBpm() / factor,
                    minBpm
                    ));
                } break;
            case 4: // bpm
            case 5: {
                Player::Bpm bit = (1 << (configWidth - x - 1));
                if(y == 5) {
                    bit = (bit << configWidth);
                }
                Player::Bpm bpm = sequencer.player.getBpm() ^ bit;
                if(bpm >= minBpm && bpm <= maxBpm) {
                    sequencer.player.setBpm(bpm);
                    std::cout << "set bpm to " << sequencer.player.getBpm() << std::endl;           }
                } break;
        }
        // sequencer.beats.print(std::cout);
    }

    refreshAll();
}

void ConfigurationScreen::keyReleased(unsigned char x, unsigned char y)
{
    refreshAll();
}

void ConfigurationScreen::refresh(unsigned char x, unsigned char y)
{
    if(x == 8) { // very right
    } else if(y == 8) { // very top
        switch(x) {
            case 5:
                setColor(x, y, colors::activeOption);
                break;
        }
    } else {
        switch(y) {
            case 0: { // number of beats
                unsigned int beatsCount = sequencer.beats.size();
                if(beatsCount & (1 << (configWidth - x - 1))) {
                    setColor(x, y, colors::activeBeatsCount);
                } else {
                    setColor(x, y, colors::inactiveBeatsCount);
                }
                } break;
            case 1: { // sequence expansion
                unsigned int factor = x + 2;
                if(sequencer.beats.size() * factor <= maxBeatsCount) {
                    setColor(x, y, colors::sequenceExpansionButton);
                } else {
                    setColor(x, y, colors::dark);
                }
                } break;
            case 2: // reduce erasing conflicts
               setColor(x, y, colors::sequenceReductionErasingConflictsButton);
               break;
            case 4: // bpm
            case 5: {
                Player::Bpm bit = (1 << (configWidth - x - 1));
                if(y == 5) {
                    bit = (bit << configWidth);
                }
                if(sequencer.player.getBpm() & bit) {
                    setColor(x, y, colors::activeBpmCount);
                } else {
                    setColor(x, y, colors::inactiveBpmCount);
                }
                } break;
        }
    }
}