mmdet_base = "../../thirdparty/mmdetection/configs/_base_"
_base_ = [
    f"{mmdet_base}/models/faster_rcnn_r50_fpn.py",
    f"{mmdet_base}/datasets/coco_detection.py",
    f"{mmdet_base}/schedules/schedule_1x.py",
    f"{mmdet_base}/default_runtime.py",
]

model = dict(
    backbone=dict(
        norm_cfg=dict(requires_grad=False),
        norm_eval=True,
        style="caffe",
        init_cfg=dict(
            type="Pretrained", checkpoint="open-mmlab://detectron2/resnet50_caffe"
        ),
    )
)

img_norm_cfg = dict(mean=[103.530, 116.280, 123.675], std=[1.0, 1.0, 1.0], to_rgb=False)

train_pipeline = [
    dict(type="LoadImageFromFile"),
    dict(type="LoadAnnotations", with_bbox=True),
    dict(
        type="Sequential",
        transforms=[
            dict(
                type="RandResize",
                img_scale=[(1333, 400), (1333, 1200)],
                multiscale_mode="range",
                keep_ratio=True,
            ),
            dict(type="RandFlip", flip_ratio=0.5),
            dict(
                type="OneOf",
                transforms=[
                    dict(type=k)
                    for k in [
                        "Identity",
                        "AutoContrast",
                        "RandEqualize",
                        "RandSolarize",
                        "RandColor",
                        "RandContrast",
                        "RandBrightness",
                        "RandSharpness",
                        "RandPosterize",
                    ]
                ],
            ),
        ],
    ),
    dict(type="Pad", size_divisor=32),
    dict(type="Normalize", **img_norm_cfg),
    dict(type="ExtraAttrs", tag="sup"),
    dict(type="DefaultFormatBundle"),
    dict(
        type="Collect",
        keys=["img", "gt_bboxes", "gt_labels"],
        meta_keys=(
            "filename",
            "ori_shape",
            "img_shape",
            "img_norm_cfg",
            "pad_shape",
            "scale_factor",
            "tag",
        ),
    ),
]

test_pipeline = [
    dict(type="LoadImageFromFile"),
    dict(
        type="MultiScaleFlipAug",
        img_scale=(1333, 800),
        flip=False,
        transforms=[
            dict(type="Resize", keep_ratio=True),
            dict(type="RandomFlip"),
            dict(type="Normalize", **img_norm_cfg),
            dict(type="Pad", size_divisor=32),
            dict(type="ImageToTensor", keys=["img"]),
            dict(type="Collect", keys=["img"]),
        ],
    ),
]

data = dict(
    samples_per_gpu=1,
    workers_per_gpu=1,
    train=dict(pipeline=train_pipeline),
    val=dict(pipeline=test_pipeline),
    test=dict(pipeline=test_pipeline),
)

optimizer = dict(type="SGD", lr=0.01, momentum=0.9, weight_decay=0.0001)
lr_config = dict(step=[120000, 160000])
runner = dict(_delete_=True, type="IterBasedRunner", max_iters=180000)
checkpoint_config = dict(by_epoch=False, interval=4000, max_keep_ckpts=10)
evaluation = dict(interval=4000)

fp16 = dict(loss_scale="dynamic")

log_config = dict(
    interval=50,
    hooks=[
        dict(type="TextLoggerHook", by_epoch=False),
        dict(
            type="WandbLoggerHook",
            init_kwargs=dict(
                project="pre_release",
                name="${cfg_name}",
                config=dict(
                    work_dirs="${work_dir}",
                    total_step="${runner.max_iters}",
                ),
            ),
            by_epoch=False,
        ),
    ],
)
