# License: Apache 2.0. See LICENSE file in root directory.
# Copyright(c) 2023 Intel Corporation. All Rights Reserved.

import pyrealsense2 as rs
from rspy import log, test
import sw


def frame_metadata_values():
    return [rs.frame_metadata_value.__getattribute__( rs.frame_metadata_value, k )
            for k, v in rs.frame_metadata_value.__dict__.items()
            if str(v).startswith('frame_metadata_value.')]


#############################################################################################
#
test.start( "Nothing supported by default" )
try:
    with sw.sensor( "Stereo Module" ) as sensor:
        depth = sensor.video_stream( "Depth", rs.stream.depth, rs.format.z16 )
        #ir = sensor.video_stream( "Infrared", rs.stream.infrared, rs.format.y8 )
        sensor.start( depth )

        # Publish a frame
        f = sensor.publish( depth.frame() )

        for md in frame_metadata_values():
            test.check_false( f.supports_frame_metadata( md ))
except:
    test.unexpected_exception()
test.finish()
#
#############################################################################################
#
test.start( "Set one value" )
try:
    with sw.sensor( "Stereo Module" ) as sensor:
        depth = sensor.video_stream( "Depth", rs.stream.depth, rs.format.z16 )
        sensor.start( depth )

        # Metadata is set on the sensor, not the software frame
        sensor.set( rs.frame_metadata_value.white_balance, 0xbaad )
    
        # Publish the frame
        f = sensor.publish( depth.frame() )

        # Frame should have received the metadata from the sensor
        test.check( f.supports_frame_metadata( rs.frame_metadata_value.white_balance ))
        test.check_equal( f.get_frame_metadata( rs.frame_metadata_value.white_balance ), 0xbaad )
except:
    test.unexpected_exception()
test.finish()
#
#############################################################################################
#
test.start( "Post-frame metadata does not affect frame" )
try:
    with sw.sensor( "Stereo Module" ) as sensor:
        depth = sensor.video_stream( "Depth", rs.stream.depth, rs.format.z16 )
        sensor.start( depth )

        sensor.set( rs.frame_metadata_value.white_balance, 0xbaad )
    
        f = sensor.publish( depth.frame() )

        sensor.set( rs.frame_metadata_value.white_balance, 0xf00d )

        test.check_equal( f.get_frame_metadata( rs.frame_metadata_value.white_balance ), 0xbaad )
except:
    test.unexpected_exception()
test.finish()
#
#############################################################################################
#
test.start( "Metadata is kept from frame to frame" )
try:
    with sw.sensor( "Stereo Module" ) as sensor:
        depth = sensor.video_stream( "Depth", rs.stream.depth, rs.format.z16 )
        sensor.start( depth )

        sensor.set( rs.frame_metadata_value.white_balance, 0xbaad )
        f1 = sensor.publish( depth.frame() )
        test.check_equal( f1.get_frame_metadata( rs.frame_metadata_value.white_balance ), 0xbaad )

        f2 = sensor.publish( depth.frame() )
        test.check_equal( f2.get_frame_metadata( rs.frame_metadata_value.white_balance ), 0xbaad )

except:
    test.unexpected_exception()
test.finish()
#
#############################################################################################
#
test.start( "Prev frame does not pick up new data from new frame" )
try:
    with sw.sensor( "Stereo Module" ) as sensor:
        depth = sensor.video_stream( "Depth", rs.stream.depth, rs.format.z16 )
        sensor.start( depth )

        sensor.set( rs.frame_metadata_value.white_balance, 0xbaad )
        f1 = sensor.publish( depth.frame() )

        sensor.set( rs.frame_metadata_value.actual_fps, 0xf00d )
        f2 = sensor.publish( depth.frame() )

        test.check_equal( f2.get_frame_metadata( rs.frame_metadata_value.white_balance ), 0xbaad )
        test.check_equal( f2.get_frame_metadata( rs.frame_metadata_value.actual_fps ), 0xf00d )

        test.check_false( f1.supports_frame_metadata( rs.frame_metadata_value.actual_fps ))
except:
    test.unexpected_exception()
test.finish()
#
#############################################################################################
#
test.start( "Multiple streams per sensor should share metadata" )
try:
    with sw.sensor( "Stereo Module" ) as sensor:
        depth = sensor.video_stream( "Depth", rs.stream.depth, rs.format.z16 )
        ir = sensor.video_stream( "Infrared", rs.stream.infrared, rs.format.y8 )
        sensor.start( depth, ir )

        sensor.set( rs.frame_metadata_value.white_balance, 0xbaad )
        d1 = sensor.publish( depth.frame() )

        sensor.set( rs.frame_metadata_value.actual_fps, 0xf00d )
        ir1 = sensor.publish( ir.frame() )

        sensor.set( rs.frame_metadata_value.saturation, 0x1eaf )
        d2 = sensor.publish( depth.frame() )

        sensor.set( rs.frame_metadata_value.contrast, 0xfee1 )
        ir2 = sensor.publish( ir.frame() )

        sensor.set( rs.frame_metadata_value.contrast, 0x600d )
        d3 = sensor.publish( depth.frame() )
        ir3 = sensor.publish( ir.frame() )

        test.check_equal( d1.get_frame_metadata( rs.frame_metadata_value.white_balance ), 0xbaad )
        test.check( ir1.supports_frame_metadata( rs.frame_metadata_value.white_balance ))
        test.check_equal( d2.get_frame_metadata( rs.frame_metadata_value.actual_fps ), 0xf00d )
        test.check_equal( ir2.get_frame_metadata( rs.frame_metadata_value.saturation ), 0x1eaf )
        test.check_equal( ir2.get_frame_metadata( rs.frame_metadata_value.contrast ), 0xfee1 )
        test.check_equal( d3.get_frame_metadata( rs.frame_metadata_value.contrast ), 0x600d )
        test.check_equal( ir3.get_frame_metadata( rs.frame_metadata_value.contrast ), 0x600d )
except:
    test.unexpected_exception()
test.finish()
#
#############################################################################################
#
test.start( "Two sensors, intermixed frames" )
try:
    with sw.sensor( "Stereo Module" ) as stereo:
        depth = stereo.video_stream( "Depth", rs.stream.depth, rs.format.z16 )
        stereo.start( depth )
        with sw.sensor( "RGB Camera" ) as rgb:
            color = sensor.video_stream( "Color", rs.stream.color, rs.format.yuyv )
            rgb.start( color )

            stereo.set( rs.frame_metadata_value.white_balance, 0xbaad )
            d1 = stereo.publish( depth.frame() )
            test.check_equal( d1.get_frame_metadata( rs.frame_metadata_value.white_balance ), 0xbaad )

            rgb.set( rs.frame_metadata_value.actual_fps, 0xf00d )
            stereo.set( rs.frame_metadata_value.actual_fps, 0xbaad )
            c1 = rgb.publish( color.frame() )
            test.check_false( d1.supports_frame_metadata( rs.frame_metadata_value.actual_fps ))
            test.check_false( c1.supports_frame_metadata( rs.frame_metadata_value.white_balance ))
            test.check_equal( c1.get_frame_metadata( rs.frame_metadata_value.actual_fps ), 0xf00d )

            stereo.set( rs.frame_metadata_value.saturation, 0x1eaf )
            rgb.set( rs.frame_metadata_value.saturation, 0xfeed )
            d2 = stereo.publish( depth.frame() )
            test.check_false( c1.supports_frame_metadata( rs.frame_metadata_value.saturation ))
            test.check_equal( d2.get_frame_metadata( rs.frame_metadata_value.saturation ), 0x1eaf )

            stereo.set( rs.frame_metadata_value.contrast, 0xdeaf )
            rgb.set( rs.frame_metadata_value.sharpness, 0xface )
            d3 = stereo.publish( depth.frame() )
            c2 = rgb.publish( color.frame() )
            test.check_false( c2.supports_frame_metadata( rs.frame_metadata_value.contrast ))
            test.check_false( d3.supports_frame_metadata( rs.frame_metadata_value.sharpness ))
except:
    test.unexpected_exception()
test.finish()
#
#############################################################################################
test.print_results_and_exit()