#!/bin/bash
if [ -z ${BRANCH} ]; then
    BRANCH="develop"
fi

PADDLE_ROOT="$( cd "$( dirname "${BASH_SOURCE[0]}")/../" && pwd )"
API_FILES=("CMakeLists.txt"
           "paddle/fluid/op_use_default_grad_op_maker.spec"
           "paddle/fluid/framework/operator.h"
           "paddle/fluid/framework/tensor.h"
           "paddle/fluid/framework/details/op_registry.h"
           "paddle/fluid/framework/grad_op_desc_maker.h"
           "paddle/fluid/framework/lod_tensor.h"
           "paddle/fluid/framework/selected_rows.h"
           "paddle/fluid/framework/op_desc.h"
           "paddle/fluid/framework/block_desc.h"
           "paddle/fluid/framework/var_desc.h"
           "paddle/fluid/framework/scope.h"
           "paddle/fluid/framework/ir/node.h"
           "paddle/fluid/framework/ir/graph.h"
           "paddle/fluid/framework/framework.proto"
           "python/requirements.txt"
           "python/paddle/fluid/__init__.py"
           "python/paddle/fluid/compiler.py"
           "python/paddle/fluid/parallel_executor.py"
           "python/paddle/fluid/framework.py"
           "python/paddle/fluid/backward.py"
           "paddle/fluid/operators/distributed/send_recv.proto.in")

approval_line=`curl -H "Authorization: token ${GITHUB_API_TOKEN}" https://api.github.com/repos/PaddlePaddle/Paddle/pulls/${GIT_PR_ID}/reviews?per_page=10000`
git_files=`git diff --numstat upstream/$BRANCH| wc -l`
git_count=`git diff --numstat upstream/$BRANCH| awk '{sum+=$1}END{print sum}'`
failed_num=0
echo_list=()
if [[ $git_files -gt 19 || $git_count -gt 999 ]];then
  APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 38231817`
  if [ "${APPROVALS}" == "FALSE" ]; then
    failed_num=`expr $failed_num + 1`
    echo_line="You must have Dianhai approval for change 20+ files or add than 1000+ lines of content.\n"
    echo_list=(${echo_list[@]}$failed_num "." $echo_line)
  fi
fi    

api_spec_diff=`python ${PADDLE_ROOT}/tools/diff_api.py ${PADDLE_ROOT}/paddle/fluid/API_DEV.spec.api  ${PADDLE_ROOT}/paddle/fluid/API_PR.spec.api` 
if [ "$api_spec_diff" != "" ]; then
    APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 46782768 47554610 2870059` 
    if [ "${APPROVALS}" == "FALSE" ]; then
        failed_num=`expr $failed_num + 1`
        echo_line="You must have one RD (XiaoguangHu01 or lanxianghit or saxon-zh)approval for the api change for the management reason of API interface.\n"
        echo_list=(${echo_list[@]}$failed_num "." $echo_line)
    fi
fi

api_doc_spec_diff=`python ${PADDLE_ROOT}/tools/diff_api.py ${PADDLE_ROOT}/paddle/fluid/API_DEV.spec.doc  ${PADDLE_ROOT}/paddle/fluid/API_PR.spec.doc` 
if [ "$api_doc_spec_diff" != "" ]; then
    APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 2 46782768 7534971 14105589 12605721 3064195 328693 47554610 39645414 11195205 20274488 45024560`
    if [ "${APPROVALS}" == "FALSE" ]; then
        failed_num=`expr $failed_num + 1`
        echo_line="You must have two RD (XiaoguangHu01 or wanghaoshuang or guoshengCS or heavengate or kuke or Superjomn or lanxianghit or cyj1986 or hutuxian or frankwhzhang or nepeplwu) approval for the api change for the management reason of API document.\n"
        echo_list=(${echo_list[@]}$failed_num "." $echo_line)
    fi
fi


for API_FILE in ${API_FILES[*]}; do
  API_CHANGE=`git diff --name-only upstream/$BRANCH | grep "${API_FILE}" | grep -v "/CMakeLists.txt" || true`
  echo "checking ${API_FILE} change, PR: ${GIT_PR_ID}, changes: ${API_CHANGE}"
  if [ "${API_CHANGE}" ] && [ "${GIT_PR_ID}" != "" ]; then
      # NOTE: per_page=10000 should be ok for all cases, a PR review > 10000 is not human readable.
      # approval_user_list: XiaoguangHu01 46782768,Xreki 12538138,luotao1 6836917,sneaxiy 32832641,qingqing01 7845005,guoshengCS 14105589,heavengate 12605721,kuke 3064195,Superjomn 328693,lanxianghit 47554610,cyj1986 39645414,hutuxian 11195205,frankwhzhang 20274488,nepeplwu 45024560,Dianhai 38231817,JiabinYang 22361972,chenwhql 22561442,seiriosPlus 5442383,gongweibao 10721757,saxon-zh 2870059. 
      if [ "${API_FILE}" == "paddle/fluid/op_use_default_grad_op_maker.spec" ];then
        APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 32832641 6836917`
      elif [ "${API_FILE}" == "CMakeLists.txt" ];then
        APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 6836917 46782768`
      elif [ "${API_FILE}" == "python/paddle/fluid/__init__.py" ];then
         APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 6836917 47554610`
      elif [ "${API_FILE}" == "python/requirements.txt" ];then
         APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 6836917 22361972`
      elif [ "${API_FILE}" == "paddle/fluid/operators/distributed/send_recv.proto.in" ];then
         APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 10721757 5442383`
      else
        APPROVALS=`echo ${approval_line}|python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 3048612 46782768 12538138 6836917 32832641`
      fi
      echo "current pr ${GIT_PR_ID} got approvals: ${APPROVALS}"
      if [ "${APPROVALS}" == "FALSE" ]; then
        if [ "${API_FILE}" == "paddle/fluid/op_use_default_grad_op_maker.spec" ];then
          failed_num=`expr $failed_num + 1` 
          echo_line="You must have one RD (sneaxiy (Recommend) or luotao1) approval for op_use_default_grad_op_maker.spec, which manages the grad_op memory optimization.\n"
          echo_list=(${echo_list[@]}$failed_num "." $echo_line)
        elif [ "${API_FILE}" == "CMakeLists.txt" ];then
          failed_num=`expr $failed_num + 1`
          echo_line="You must have one RD (luotao1 or XiaoguangHu01) approval for CMakeLists.txt, which manages the compilation parameter.\n"
          echo_list=(${echo_list[@]}$failed_num "." $echo_line)
        elif [ "${API_FILE}" == "python/requirements.txt" ];then
          failed_num=`expr $failed_num + 1`
          echo_line="You must have one RD (JiabinYang (Recommend) or luotao1) approval for python/requirements.txt, which manages the third-party python package.\n"
          echo_list=(${echo_list[@]}$failed_num "." $echo_line)
        elif [ "${API_FILE}" == "python/paddle/fluid/__init__.py" ];then
          failed_num=`expr $failed_num + 1`
          echo_line="You must have one RD (lanxianghit (Recommend) or luotao1) approval for the python/paddle/fluid/init.py, which manages the environment variables.\n"
          echo_list=(${echo_list[@]}$failed_num "." $echo_line)
        elif [ "${API_FILE}" == "paddle/fluid/operators/distributed/send_recv.proto.in" ];then
          failed_num=`expr $failed_num + 1`
          echo_line="You must have one RD (gongweibao or seiriosPlus) approval for the paddle/fluid/operators/distributed/send_recv.proto.in, which manages the environment variables.\n"
          echo_list=(${echo_list[@]}$failed_num "." $echo_line)
        else
          failed_num=`expr $failed_num + 1`
          echo_line="You must have one RD (XiaoguangHu01,Xreki,luotao1,sneaxiy) approval for ${API_FILE}, which manages the underlying code for fluid.\n"
          echo_list=(${echo_list[@]}$failed_num "." $echo_line)
        fi
      fi
  fi
done

HAS_CONST_CAST=`git diff -U0 upstream/$BRANCH |grep -o -m 1 "const_cast" || true`
if [ ${HAS_CONST_CAST} ] && [ "${GIT_PR_ID}" != "" ]; then
    APPROVALS=`curl -H "Authorization: token ${GITHUB_API_TOKEN}" https://api.github.com/repos/PaddlePaddle/Paddle/pulls/${GIT_PR_ID}/reviews?per_page=10000 | \
    python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 3048612 46782768 12538138 6836917 32832641`
    echo "current pr ${GIT_PR_ID} got approvals: ${APPROVALS}"
    if [ "${APPROVALS}" == "FALSE" ]; then
        failed_num=`expr $failed_num + 1`
        echo_line="You must have one RD (XiaoguangHu01,Xreki,luotao1,sneaxiy) approval for the usage (either add or delete) of const_cast.\n"
        echo_list=(${echo_list[@]}$failed_num "." $echo_line)
    fi
fi

HAS_DEFINE_FLAG=`git diff -U0 upstream/$BRANCH |grep -o -m 1 "DEFINE_int32" |grep -o -m 1 "DEFINE_bool" | grep -o -m 1 "DEFINE_string" || true`
if [ ${HAS_DEFINE_FLAG} ] && [ "${GIT_PR_ID}" != "" ]; then
    APPROVALS=`curl -H "Authorization: token ${GITHUB_API_TOKEN}" https://api.github.com/repos/PaddlePaddle/Paddle/pulls/${GIT_PR_ID}/reviews?per_page=10000 | \
    python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 47554610` 
    echo "current pr ${GIT_PR_ID} got approvals: ${APPROVALS}"
    if [ "${APPROVALS}" == "FALSE" ]; then
        failed_num=`expr $failed_num + 1`
        echo_line="You must have one RD lanxianghit approval for the usage (either add or delete) of DEFINE_int32/DEFINE_bool/DEFINE_string flag.\n"
        echo_list=(${echo_list[@]}$failed_num "." $echo_line)
    fi
fi

HAS_PADDLE_ENFORCE_FLAG=`git diff -U0 upstream/$BRANCH |grep "+" |grep -v "PADDLE_ENFORCE_" |grep -o -m 1 "PADDLE_ENFORCE" || true`
if [ ${HAS_PADDLE_ENFORCE_FLAG} ] && [ "${GIT_PR_ID}" != "" ]; then
    APPROVALS=`curl -H "Authorization: token ${GITHUB_API_TOKEN}" https://api.github.com/repos/PaddlePaddle/Paddle/pulls/${GIT_PR_ID}/reviews?per_page=10000 | \
    python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 6836917 47554610 22561442`
    echo "current pr ${GIT_PR_ID} got approvals: ${APPROVALS}"
    if [ "${APPROVALS}" == "FALSE" ]; then
        ALL_PADDLE_ENFORCE=`git diff -U0 upstream/develop |grep "+" |grep -zoE "PADDLE_ENFORCE\(.[^,\);]+.[^;]*\);\s" || true`
        failed_num=`expr $failed_num + 1`
        echo_line="PADDLE_ENFORCE is not recommended. Please use PADDLE_ENFORCE_EQ/NE/GT/GE/LT/LE or PADDLE_ENFORCE_NOT_NULL or PADDLE_ENFORCE_CUDA_SUCCESS instead.\nYou must have one RD (chenwhql (Recommend) , luotao1 (Recommend) or lanxianghit) approval for the usage (either add or delete) of PADDLE_ENFORCE.\n${ALL_PADDLE_ENFORCE}\n"
        echo_list=(${echo_list[@]}$failed_num "." "$echo_line")
    fi
fi

ALL_PADDLE_CHECK=`git diff -U0 upstream/$BRANCH |grep "+" |grep -zoE "(PADDLE_ENFORCE[A-Z_]{0,9}|PADDLE_THROW)\(.[^,\);]*.[^;]*\);\s" || true`
VALID_PADDLE_CHECK=`echo "$ALL_PADDLE_CHECK" | grep -zoE '(PADDLE_ENFORCE[A-Z_]{0,9}|PADDLE_THROW)\((.[^,;]+,)*.[^";]*(errors::).[^"]*".[^";]{20,}.[^;]*\);\s' || true`
INVALID_PADDLE_CHECK=`echo "$ALL_PADDLE_CHECK" |grep -vx "$VALID_PADDLE_CHECK" || true`
if [ "${INVALID_PADDLE_CHECK}" != "" ] && [ "${GIT_PR_ID}" != "" ]; then
    APPROVALS=`curl -H "Authorization: token ${GITHUB_API_TOKEN}" https://api.github.com/repos/PaddlePaddle/Paddle/pulls/${GIT_PR_ID}/reviews?per_page=10000 | \
    python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 6836917 47554610 22561442`
    echo "current pr ${GIT_PR_ID} got approvals: ${APPROVALS}"
    if [ "${APPROVALS}" == "FALSE" ]; then
        failed_num=`expr $failed_num + 1`
        echo_line="The error message you wrote in PADDLE_ENFORCE{_**} or PADDLE_THROW does not meet our error message writing specification. Possible errors include 1. the error message is empty / 2. the error message is too short / 3. the error type is not specified. Please read the specification [ https://github.com/PaddlePaddle/Paddle/wiki/Paddle-Error-Message-Writing-Specification ], then refine the error message. If it is a mismatch, please specify chenwhql (Recommend), luotao1 or lanxianghit review and approve.\nThe PADDDLE_ENFORCE or PADDLE_THROW entries that do not meet the specification are as follows:\n${INVALID_PADDLE_CHECK}\n"
        echo_list=(${echo_list[@]}$failed_num "." "$echo_line")
    fi
fi

NEW_OP_ADDED=`git diff --name-only --diff-filter=A upstream/$BRANCH |grep -oE ".+_op..*" || true`
if [ "${NEW_OP_ADDED}" != "" ] && [ "${GIT_PR_ID}" != "" ]; then
    GET_KERNEL_TYPE_FUNC_CNT=`git diff -U0 --diff-filter=A upstream/$BRANCH |grep "+" |grep -czoE "GetExpectedKernelType[(][^(){}]+[)][^{]+[{][^}]+[}]" || true`
    INDICATE_VAR_DTYPE_CNT=`git diff -U0 --diff-filter=A upstream/$BRANCH |grep "+" |grep -co "IndicateVarDataType" || true`
    if [ ${GET_KERNEL_TYPE_FUNC_CNT} -gt ${INDICATE_VAR_DTYPE_CNT} ]; then
        APPROVALS=`curl -H "Authorization: token ${GITHUB_API_TOKEN}" https://api.github.com/repos/PaddlePaddle/Paddle/pulls/${GIT_PR_ID}/reviews?per_page=10000 | \
        python ${PADDLE_ROOT}/tools/check_pr_approval.py 1 6836917 47554610 22561442`
        echo "current pr ${GIT_PR_ID} got approvals: ${APPROVALS}"
        if [ "${APPROVALS}" == "FALSE" ]; then
            failed_num=`expr $failed_num + 1`
            echo_line="If you override GetExpectedKernelType method of OperatorWithKernel, please use OperatorWithKernel::IndicateVarDataType() method to get specific input variable's dtype, which checked whether the input variable is initialized (The details in https://github.com/PaddlePaddle/FluidDoc/pull/1527). If you don't use this method to check, you must have one RD (chenwhql (Recommend) , luotao1 or lanxianghit) approval for the usage of other methods.\n"
            echo_list=(${echo_list[@]}$failed_num "." $echo_line)
        fi
    fi
fi

if [ -n "${echo_list}" ];then
  echo "****************"
  echo -e "${echo_list[@]}"
  echo "There are ${failed_num} approved errors."
  echo "****************"
fi

python ${PADDLE_ROOT}/tools/diff_api.py ${PADDLE_ROOT}/paddle/fluid/API_DEV.spec  ${PADDLE_ROOT}/paddle/fluid/API_PR.spec

if [ -n "${echo_list}" ]; then
  exit 1
fi