from repo2data.repo2data import Repo2Data
import os 
import pickle
import matplotlib.pyplot as plt
import chart_studio.plotly as py
import plotly.graph_objs as go
import numpy as np
from plotly import __version__
from plotly.offline import download_plotlyjs, init_notebook_mode, plot, iplot
from IPython.display import display, HTML
from plotly import tools

from contextlib import contextmanager
import sys, os

@contextmanager
def suppress_stdout():
    with open(os.devnull, "w") as devnull:
        old_stdout = sys.stdout
        sys.stdout = devnull
        try:  
            yield
        finally:
            sys.stdout = old_stdout

with suppress_stdout():
    data_req_path = os.path.join("..","..","..", "binder", "data_requirement.json")
    repo2data = Repo2Data(data_req_path)
    DATA_ROOT = os.path.join(repo2data.install()[0],"t1-book-neurolibre")
    filename = os.path.join(DATA_ROOT,"02",'figure_7.pkl')

with open(filename, 'rb') as f:
    T1_map, FA_03, FA_20, B1map, xAxis, yAxis  = pickle.load(f)

config={'showLink': False, 'displayModeBar': False}

init_notebook_mode(connected=True)

trace1 = go.Heatmap(x = xAxis,
                   y = yAxis,
                   z=FA_03,
                   colorscale='gray',
                   showscale = False,
                   visible=False,
                   name = 'Signal')
trace2 = go.Heatmap(x = xAxis,
                   y = yAxis,
                   z=FA_20,
                   colorscale='gray',
                   showscale = False,
                   visible=True,
                   name = 'Signal')
trace3 = go.Heatmap(x = xAxis,
                   y = yAxis,
                   z=B1map,
                   zmin=0.7,
                   zmax=1.3,
                   colorscale='balance',
                   showscale = False,
                   visible=False,
                   name = 'B1 values')
trace5 = go.Heatmap(x = xAxis,
                   y = yAxis,
                   z=T1_map,
                   zmin=0.0,
                   zmax=5000,
                   colorscale='Portland',
                   xaxis='x2',
                   yaxis='y2',
                   visible=True,
                   name = 'T1 values (ms)')

data=[trace1, trace2, trace3, trace5]


updatemenus = list([
    dict(active=1,
         x = 0.09,
         xanchor = 'left',
         y = -0.15,
         yanchor = 'bottom',
         direction = 'up',
         font=dict(
                family='Times New Roman',
                size=16
            ),
         buttons=list([   
            dict(label = '3 deg',
                 method = 'update',
                 args = [{'visible': [True, False, False, True]},
                         ]),
            dict(label = '20 deg',
                 method = 'update',
                 args = [{'visible': [False, True, False, True]},
                           ]),
            dict(label = 'B<sub>1</sub> map',
                 method = 'update',
                 args = [{'visible': [False, False, True, True]},
                           ])
        ])
    )
])

layout = dict(
    width=560,
    height=345,
    margin = dict(
                t=40,
                r=50,
                b=10,
                l=50),
    annotations=[
        dict(
            x=0.055,
            y=1.15,
            showarrow=False,
            text='Input Data',
            font=dict(
                family='Times New Roman',
                size=26
            ),
            xref='paper',
            yref='paper'
        ),
        dict(
            x=0.6,
            y=1.15,
            showarrow=False,
            text='T<sub>1</sub> map',
            font=dict(
                family='Times New Roman',
                size=26
            ),
            xref='paper',
            yref='paper'
        ),
        dict(
            x=1.22,
            y=1.15,
            showarrow=False,
            text='T<sub>1</sub> (ms)',
            font=dict(
                family='Times New Roman',
                size=26
            ),
            xref='paper',
            yref='paper'
        ),
    ],
    xaxis = dict(range = [0,127], autorange = False,
             showgrid = False, zeroline = False, showticklabels = False,
             ticks = '', domain=[0, 0.58]),
    yaxis = dict(range = [0,127], autorange = False,
             showgrid = False, zeroline = False, showticklabels = False,
             ticks = '', domain=[0, 1]),
    xaxis2 = dict(range = [0,127], autorange = False,
             showgrid = False, zeroline = False, showticklabels = False,
             ticks = '', domain=[0.40, 0.98]),
    yaxis2 = dict(range = [0,127], autorange = False,
             showgrid = False, zeroline = False, showticklabels = False,
             ticks = '', domain=[0, 1], anchor='x2'),
    showlegend = False,
    autosize = False,
    updatemenus=updatemenus,
    plot_bgcolor='white'
)


fig = dict(data=data, layout=layout)

iplot(fig, filename = 'vfa_fig_7.html', config = config)