# Copyright      2021  Fangjun Kuang (csukuangfj@gmail.com)

# See ../../LICENSE for clarification regarding multiple authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: run-pre-trained-transducer

on:
  push:
    branches:
      - master
  pull_request:
    types: [labeled]

jobs:
  run_pre_trained_transducer:
    if: github.event.label.name == 'ready' || github.event_name == 'push'
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-18.04]
        python-version: [3.7, 3.8, 3.9]
        torch: ["1.10.0"]
        torchaudio: ["0.10.0"]
        k2-version: ["1.9.dev20211101"]

      fail-fast: false

    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Setup Python ${{ matrix.python-version }}
        uses: actions/setup-python@v1
        with:
          python-version: ${{ matrix.python-version }}

      - name: Install Python dependencies
        run: |
          python3 -m pip install --upgrade pip pytest
          # numpy 1.20.x does not support python 3.6
          pip install numpy==1.19
          pip install torch==${{ matrix.torch }}+cpu torchaudio==${{ matrix.torchaudio }}+cpu -f https://download.pytorch.org/whl/cpu/torch_stable.html
          pip install k2==${{ matrix.k2-version }}+cpu.torch${{ matrix.torch }} -f https://k2-fsa.org/nightly/

          python3 -m pip install git+https://github.com/lhotse-speech/lhotse
          python3 -m pip install kaldifeat
          # We are in ./icefall and there is a file: requirements.txt in it
          pip install -r requirements.txt

      - name: Install graphviz
        shell: bash
        run: |
          python3 -m pip install -qq graphviz
          sudo apt-get -qq install graphviz

      - name: Download pre-trained model
        shell: bash
        run: |
          sudo apt-get -qq install git-lfs tree sox
          cd egs/librispeech/ASR
          mkdir tmp
          cd tmp
          git lfs install
          git clone https://huggingface.co/csukuangfj/icefall-asr-librispeech-transducer-bpe-500-2021-12-23

          cd ..
          tree tmp
          soxi tmp/icefall-asr-librispeech-transducer-bpe-500-2021-12-23/test_wavs/*.wav
          ls -lh tmp/icefall-asr-librispeech-transducer-bpe-500-2021-12-23/test_wavs/*.wav

      - name: Run greedy search decoding
        shell: bash
        run: |
          export PYTHONPATH=$PWD:PYTHONPATH
          cd egs/librispeech/ASR
          ./transducer/pretrained.py \
            --method greedy_search \
            --checkpoint ./tmp/icefall-asr-librispeech-transducer-bpe-500-2021-12-23/exp/pretrained.pt \
            --bpe-model ./tmp/icefall-asr-librispeech-transducer-bpe-500-2021-12-23/data/lang_bpe_500/bpe.model \
            ./tmp/icefall-asr-librispeech-transducer-bpe-500-2021-12-23/test_wavs/1089-134686-0001.wav \
            ./tmp/icefall-asr-librispeech-transducer-bpe-500-2021-12-23/test_wavs/1221-135766-0001.wav \
            ./tmp/icefall-asr-librispeech-transducer-bpe-500-2021-12-23/test_wavs/1221-135766-0002.wav

      - name: Run beam search decoding
        shell: bash
        run: |
          export PYTHONPATH=$PWD:$PYTHONPATH
          cd egs/librispeech/ASR
          ./transducer/pretrained.py \
            --method beam_search \
            --beam-size 4 \
            --checkpoint ./tmp/icefall-asr-librispeech-transducer-bpe-500-2021-12-23/exp/pretrained.pt \
            --bpe-model ./tmp/icefall-asr-librispeech-transducer-bpe-500-2021-12-23/data/lang_bpe_500/bpe.model \
            ./tmp/icefall-asr-librispeech-transducer-bpe-500-2021-12-23/test_wavs/1089-134686-0001.wav \
            ./tmp/icefall-asr-librispeech-transducer-bpe-500-2021-12-23/test_wavs/1221-135766-0001.wav \
            ./tmp/icefall-asr-librispeech-transducer-bpe-500-2021-12-23/test_wavs/1221-135766-0002.wav
