from ips.ops import *


def process(raw_image, metadata):
    out = normalize(raw_image, metadata["black_level"], metadata["white_level"])
    out = demosaic(out, metadata["cfa_pattern"])
    out = raw_color_denoise(out, metadata["noise_profile"][1])
    out = white_balance(out, metadata)
    color_matrix = [  # average color transformation matrix of Huawei Mate 40 Pro
        1.06835938, -0.29882812, -0.14257812, 
        -0.43164062,  1.35546875,  0.05078125, 
        -0.1015625,   0.24414062,  0.5859375
    ]
    out = xyz_transform(out, color_matrix)
    out = xyz_to_srgb(out)
    out = luminance_denoise(out, metadata["tv_weight"])
    out = perform_tone_mapping(out, metadata)
    out = global_mean_contrast(out, metadata["global_mc_beta"])
    out = s_curve_correction(out, metadata["scc_alpha"], metadata["scc_lambda"])
    out = histogram_stretching(out)
    out = memory_color_enhancement(out)
    out = unsharp_masking(out)
    out = to_uint8(out)
    out = resize(out, metadata["exp_width"], metadata["exp_height"])  # None means direct return the image, change the params to (w, h) if downsampling required.
    out = fix_orientation(out, metadata["orientation"])

    return out