import gradio as gr
# necessary packages
from facemesh import mp_face_mesh_fn
from facedetect import mp_face_detect_fn
from handposedetect import mp_hand_pose_detect_fn
from objectron3d import mp_objectron_fn
from posestimate import mp_pose_estimation_fn
from holistic import mp_holistic_fn
from selfiseg import mp_selfi_segment_fn


def run_mediapipe(image, soln_type, min_detection_confidence):
    if soln_type == 'facemesh':
        annotated_image = mp_face_mesh_fn(image, min_detect_conf=min_detection_confidence)
    elif soln_type == 'facedetect':
        annotated_image = mp_face_detect_fn(image, min_detect_conf=min_detection_confidence)
    elif soln_type == 'handpose':
        annotated_image = mp_hand_pose_detect_fn(image, min_detect_conf=min_detection_confidence)
    elif soln_type == 'pose estimate':
        annotated_image = mp_pose_estimation_fn(image, min_detect_conf=min_detection_confidence)
    elif soln_type == 'holistic':
        annotated_image = mp_holistic_fn(image, min_detect_conf=min_detection_confidence)
    elif soln_type == 'objectron':
        annotated_image = mp_objectron_fn(image, min_detect_conf=min_detection_confidence)
    elif soln_type == 'selfie segment':
        annotated_image = mp_selfi_segment_fn(image)
    return annotated_image


def main():
    solutions = [
        'facedetect', 
        'facemesh', 
        'handpose', 
        'pose estimate',
        'holistic',
        'objectron',
        'selfie segment'
    ]

    sample_images = [
        ["examples/0.jpg", solutions[0], 0.5],
        ["examples/1.jpg", solutions[1], 0.5],
        ["examples/2.png", solutions[2], 0.5],
        ["examples/3.jpg", solutions[3], 0.5],
        ["examples/4.jpg", solutions[4], 0.5],
        ["examples/5.jpg", solutions[5], 0.3],
        ["examples/6.jpg", solutions[6], None],
    ]

    iface = gr.Interface(
        fn=run_mediapipe,
        inputs=[
            gr.Image(label="Input Image"),
            gr.Radio(
                solutions,
                type='value',
                value=solutions[0],
                label='Solutions'
            ),
            gr.Slider(
                0,
                1,
                step=0.05,
                value=0.5,
                label='Minimum Detection Confidence'
            )
        ],
        outputs=gr.Image(label="MediaPipe", type='numpy'),
        title="Google MediaPipe Demo",
        description="Few solutions of <a href='https://mediapipe.dev/'>Google MediaPipe</a> are presented here. Note, to test `Objectron` model, make sure to ensure <a href='https://github.com/google/mediapipe/blob/master/mediapipe/python/solutions/objectron.py#L128-L133'>Model Type</a>. Currently it only supports `Shoe`, `Chair`, `Cup` and `Camera` object.",
        examples=sample_images
    )

    iface.launch()

if __name__ == '__main__':
    main()