import matplotlib.pyplot as plt
import numpy as np
import torch

from dataloader import extract_colors
from model import ColorTransformerModel

def make_image(ckpt: str, fname: str, color=True):
    M = ColorTransformerModel.load_from_checkpoint(ckpt)

    # preds = M(rgb_tensor)
    if not color:
        N = 949
        linear_space = torch.linspace(0, 1, N)
        rgb_tensor = linear_space.unsqueeze(1).repeat(1, 3)
    else:
        rgb_tensor, names = extract_colors()

    rgb_values = rgb_tensor.detach().numpy()
    preds = M(rgb_tensor)
    sorted_inds = np.argsort(preds.detach().numpy().ravel())

    fig, ax = plt.subplots(figsize=(10, 5))
    for i in range(len(sorted_inds)):
        idx = sorted_inds[i]
        color = rgb_values[idx]
        ax.vlines(i, ymin=0, ymax=1, lw=0.1, colors=color, antialiased=False, alpha=0.5)
        ax.axis("off")
        # ax.axis("square")

    plt.savefig(f"{fname}.png", dpi=300)


if __name__ == "__main__":

    name = "color_128_0.3_1.00e-06"
    ckpt = f"/teamspace/jobs/{name}/work/colors/lightning_logs/version_2/checkpoints/epoch=999-step=8000.ckpt"
    make_image(ckpt, fname=name)