import os
import os.path
from neuron import h
import pylibrary.Utility as U
from ..util import PlotHelpers as PH
import numpy as np
import scipy
import scipy.integrate
import scipy.stats

try:
    import pyqtgraph as pg

    HAVE_PG = True
except ImportError:
    HAVE_PG = False

from ..util.stim import make_pulse

# import matplotlib as MP # must call first... before pylag/pyplot or backends
# MP.use('Qt4Agg')

# import matplotlib.gridspec as GS
# import mpl_toolkits.axes_grid1.inset_locator as INSETS
# import mpl_toolkits.axes_grid1.anchored_artists as ANCHOR

# stdFont = 'Arial'
# import  matplotlib.pyplot as pylab
# pylab.rcParams['interactive'] = False
# pylab.rcParams['mathtext.default'] = 'sf'
## next setting allows pdf font to be readable in Adobe Illustrator
# pylab.rcParams['pdf.fonttype'] = 42
# pylab.rcParams['figure.facecolor'] = 'white'


def run_democlamp(cell, dend, vsteps=[-60, -70, -60], tsteps=[10, 50, 100]):
    """
    Does some stuff.
    
    """
    f1 = pylab.figure(1)
    gs = GS.GridSpec(2, 2, width_ratios=[1, 1], height_ratios=[1, 1])

    # note numbering for insets goes from 1 (upper right) to 4 (lower right)
    # counterclockwise
    pA = f1.add_subplot(gs[0])
    pAi = INSETS.inset_axes(pA, width="66%", height="40%", loc=2)
    pB = f1.add_subplot(gs[1])
    pBi = INSETS.inset_axes(pB, width="66%", height="40%", loc=4)
    pC = f1.add_subplot(gs[2])
    pCi = INSETS.inset_axes(pC, width="66%", height="40%", loc=2)
    pD = f1.add_subplot(gs[3])
    pDi = INSETS.inset_axes(pD, width="66%", height="40%", loc=1)
    # h.topology()

    Ld = 0.5
    Ld2 = 1.0

    VClamp = h.SEClamp(0.5, cell)
    VClamp.dur1 = tsteps[0]
    VClamp.amp1 = vsteps[0]
    VClamp.dur2 = tsteps[1]
    VClamp.amp2 = vsteps[1]
    VClamp.dur3 = tsteps[2]
    VClamp.amp3 = vsteps[2]
    Rs0 = 10.0
    VClamp.rs = Rs0
    compensation = [0.0, 70.0, 95.0]
    cms = [cell.cm * (100.0 - c) / 100.0 for c in compensation]

    vrec = h.iStim(Ld, sec=dend[0])
    vrec.delay = 0
    vrec.dur = 1e9  # these actually do not matter...
    vrec.iMax = 0.0
    vrec2 = h.iStim(Ld2, sec=dend[0])
    vrec2.delay = 0
    vrec2.dur = 1e9  # these actually do not matter...
    vrec2.iMax = 0.0

    stim = {}
    stim["NP"] = 1
    stim["Sfreq"] = 20  # stimulus frequency
    stim["delay"] = tsteps[0]
    stim["dur"] = tsteps[1]
    stim["amp"] = vsteps[1]
    stim["PT"] = 0.0
    stim["hold"] = vsteps[0]
    #    (secmd, maxt, tstims) = make_pulse(stim)
    tend = 79.5
    linetype = ["-", "-", "-"]
    linethick = [0.5, 0.75, 1.25]
    linecolor = [[0.66, 0.66, 0.66], [0.4, 0.4, 0.3], "k"]
    n = 0
    vcmds = [-70, -20]
    vplots = [(pA, pAi, pC, pCi), (pB, pBi, pD, pDi)]
    for m, VX in enumerate(vcmds):
        stim["amp"] = VX
        pl = vplots[m]
        print(m, VX)
        (secmd, maxt, tstims) = make_pulse(stim)
        for n, rsc in enumerate(compensation):
            vec = {}
            for var in ["VCmd", "i_inj", "time", "Vsoma", "Vdend", "Vdend2", "VCmdR"]:
                vec[var] = h.Vector()
            VClamp.rs = Rs0 * (100.0 - rsc) / 100.0
            cell.cm = cms[n]
            # print VClamp.rs, cell.cm, VClamp.rs*cell.cm
            vec["VCmd"] = h.Vector(secmd)
            vec["Vsoma"].record(cell(0.5)._ref_v, sec=cell)
            vec["Vdend"].record(dend[0](Ld)._ref_v, sec=dend[0])
            vec["time"].record(h._ref_t)
            vec["i_inj"].record(VClamp._ref_i, sec=cell)

            vec["VCmdR"].record(VClamp._ref_vc, sec=cell)
            VClamp.amp2 = VX
            #            vec['VCmd'].play(VClamp.amp2, h.dt, 0, sec=cell)

            h.tstop = tend
            h.init()
            h.finitialize(-60)
            h.run()
            vc = np.asarray(vec["Vsoma"])
            tc = np.asarray(vec["time"])

            # now plot the data, raw and as insets
            for k in [0, 1]:
                pl[k].plot(
                    vec["time"],
                    vec["i_inj"],
                    color=linecolor[n],
                    linestyle=linetype[n],
                    linewidth=linethick[n],
                )
                yl = pl[k].get_ylim()
                if k == 0:
                    pass
                    # pl[k].set_ylim([1.5*yl[0], -1.5*yl[1]])
                else:
                    pass

            for k in [2, 3]:
                pl[k].plot(
                    vec["time"],
                    vec["Vsoma"],
                    color=linecolor[n],
                    linestyle=linetype[n],
                    linewidth=linethick[n],
                )
                pl[k].plot(
                    vec["time"],
                    vec["VCmdR"],
                    color=linecolor[n],
                    linestyle="--",
                    linewidth=1,
                    dashes=(1, 1),
                )
                pl[k].plot(
                    vec["time"],
                    vec["Vdend"],
                    color=linecolor[n],
                    linestyle=linetype[n],
                    linewidth=linethick[n],
                    dashes=(3, 3),
                )
                if VX < vsteps[0]:
                    pl[k].set_ylim([-72, -40])
                else:
                    pl[k].set_ylim([-62, VX + 30])

    ptx = 10.8
    pBi.set_xlim([9.8, ptx])
    pAi.set_xlim([9.8, ptx])
    PH.setX(pAi, pCi)
    PH.setX(pBi, pDi)
    pD.set_ylim([-65, 10])
    #    PH.setY(pC, pCi) # match Y limits
    PH.cleanAxes([pA, pAi, pB, pBi, pC, pCi, pD, pDi])
    PH.formatTicks([pA, pB, pC, pD], axis="x", fmt="%d")
    PH.formatTicks([pC, pD], axis="y", fmt="%d")
    PH.calbar(pAi, [ptx - 1, 0, 0.2, 2.0])
    PH.calbar(pCi, [ptx - 1, -50.0, 0.2, 10])
    PH.calbar(pBi, [ptx - 1, 0, 0.2, 10])
    PH.calbar(pDi, [ptx - 1, -50.0, 0.2, 20])
    pylab.draw()
    pylab.show()