#!/bin/bash

# Copyright 2017 The Kubernetes 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.

set -o errexit
set -o nounset
set -o pipefail

global KUBE_ROOT := "$[dirname $(BASH_SOURCE)]/.."
source "$(KUBE_ROOT)/hack/lib/init.sh"

kube::golang::setup_env

make -C $(KUBE_ROOT) WHAT=cmd/genswaggertypedocs

# Find binary
global genswaggertypedocs := $[kube::util::find-binary "genswaggertypedocs]

if [[ ! -x "$genswaggertypedocs" ]] {
  do {
    echo "It looks as if you don't have a compiled genswaggertypedocs binary"
    echo
    echo "If you are running from a clone of the git repo, please run"
    echo "'make WHAT=cmd/genswaggertypedocs'."
  } >&2
  exit 1
}

global DIFFROOT := ""$(KUBE_ROOT)/federation""
global TMP_DIFFROOT := ""$(KUBE_ROOT)/_tmp/federation""
global _tmp := ""$(KUBE_ROOT)/_tmp_federation""

proc cleanup {
  rm -rf $(_tmp)
}
trap "cleanup" EXIT SIGINT

cleanup

mkdir -p $(TMP_DIFFROOT)
cp -a "$(DIFFROOT)"/* "$(TMP_DIFFROOT)/"

"$(KUBE_ROOT)/hack/update-federation-generated-swagger-docs.sh"
echo "diffing $(DIFFROOT) against freshly generated swagger type documentation"
global ret := '0'
diff -Naupr -I 'Auto generated by' $(DIFFROOT) $(TMP_DIFFROOT) || global ret := $Status
cp -a "$(TMP_DIFFROOT)"/* "$(DIFFROOT)/"
if [[ $ret -eq 0 ]]
{
  echo "$(DIFFROOT) up to date."
} else {
  echo "$(DIFFROOT) is out of date. Please run hack/update-federation-generated-swagger-docs.sh"
  exit 1
}
(CommandList
  children: [
    (C {(set)} {(-o)} {(errexit)})
    (C {(set)} {(-o)} {(nounset)})
    (C {(set)} {(-o)} {(pipefail)})
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:KUBE_ROOT)
          op: Equal
          rhs: 
            {
              (CommandSubPart
                command_list: 
                  (CommandList
                    children: [(C {(dirname)} {(DQ (${ VSub_Name BASH_SOURCE))})]
                  )
                left_token: <Left_CommandSub "$(">
                spids: [64 72]
              ) (/..)
            }
          spids: [63]
        )
      ]
      spids: [63]
    )
    (C {(source)} {(DQ (${ VSub_Name KUBE_ROOT) (/hack/lib/init.sh))})
    (C {(kube) (Lit_Other ":") (Lit_Other ":") (golang) (Lit_Other ":") (Lit_Other ":") (setup_env)})
    (C {(make)} {(-C)} {(DQ (${ VSub_Name KUBE_ROOT))} {(Lit_VarLike "WHAT=") (cmd/genswaggertypedocs)})
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:genswaggertypedocs)
          op: Equal
          rhs: 
            {
              (CommandSubPart
                command_list: 
                  (CommandList
                    children: [
                      (C 
                        {(kube) (Lit_Other ":") (Lit_Other ":") (util) (Lit_Other ":") (Lit_Other ":") 
                          (find-binary)
                        } {(DQ (genswaggertypedocs))}
                      )
                    ]
                  )
                left_token: <Left_CommandSub "$(">
                spids: [112 124]
              )
            }
          spids: [111]
        )
      ]
      spids: [111]
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: 
                (DBracket
                  expr: 
                    (LogicalNot
                      child: 
                        (BoolUnary
                          op_id: BoolUnary_x
                          child: {(DQ ($ VSub_Name "$genswaggertypedocs"))}
                        )
                    )
                )
              terminator: <Op_Semi ";">
            )
          ]
          action: [
            (BraceGroup
              children: [
                (C {(echo)} 
                  {(DQ ("It looks as if you don't have a compiled genswaggertypedocs binary"))}
                )
                (C {(echo)})
                (C {(echo)} {(DQ ("If you are running from a clone of the git repo, please run"))})
                (C {(echo)} {(DQ ("'make WHAT=cmd/genswaggertypedocs'."))})
              ]
              redirects: [(Redir op_id:Redir_GreatAnd fd:-1 arg_word:{(2)} spids:[174])]
              spids: [145]
            )
            (C {(exit)} {(1)})
          ]
          spids: [-1 142]
        )
      ]
      spids: [-1 182]
    )
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:DIFFROOT)
          op: Equal
          rhs: {(DQ (${ VSub_Name KUBE_ROOT) (/federation))}
          spids: [185]
        )
      ]
      spids: [185]
    )
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:TMP_DIFFROOT)
          op: Equal
          rhs: {(DQ (${ VSub_Name KUBE_ROOT) (/_tmp/federation))}
          spids: [193]
        )
      ]
      spids: [193]
    )
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:_tmp)
          op: Equal
          rhs: {(DQ (${ VSub_Name KUBE_ROOT) (/_tmp_federation))}
          spids: [201]
        )
      ]
      spids: [201]
    )
    (FuncDef
      name: cleanup
      body: (BraceGroup children:[(C {(rm)} {(-rf)} {(DQ (${ VSub_Name _tmp))})] spids:[214])
      spids: [210 213]
    )
    (C {(trap)} {(DQ (cleanup))} {(EXIT)} {(SIGINT)})
    (C {(cleanup)})
    (C {(mkdir)} {(-p)} {(DQ (${ VSub_Name TMP_DIFFROOT))})
    (C {(cp)} {(-a)} {(DQ (${ VSub_Name DIFFROOT)) (/) (Lit_Other "*")} 
      {(DQ (${ VSub_Name TMP_DIFFROOT) (/))}
    )
    (C {(DQ (${ VSub_Name KUBE_ROOT) (/hack/update-federation-generated-swagger-docs.sh))})
    (C {(echo)} 
      {
        (DQ ("diffing ") (${ VSub_Name DIFFROOT) 
          (" against freshly generated swagger type documentation")
        )
      }
    )
    (Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(LhsName name:ret) op:Equal rhs:{(0)} spids:[290])]
      spids: [290]
    )
    (AndOr
      children: [
        (C {(diff)} {(-Naupr)} {(-I)} {(SQ <"Auto generated by">)} {(DQ (${ VSub_Name DIFFROOT))} 
          {(DQ (${ VSub_Name TMP_DIFFROOT))}
        )
        (Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(LhsName name:ret) op:Equal rhs:{($ VSub_QMark "$?")} spids:[317])]
          spids: [317]
        )
      ]
      op_id: Op_DPipe
    )
    (C {(cp)} {(-a)} {(DQ (${ VSub_Name TMP_DIFFROOT)) (/) (Lit_Other "*")} 
      {(DQ (${ VSub_Name DIFFROOT) (/))}
    )
    (If
      arms: [
        (if_arm
          cond: [
            (DBracket
              expr: (BoolBinary op_id:BoolBinary_eq left:{($ VSub_Name "$ret")} right:{(0)})
            )
          ]
          action: [(C {(echo)} {(DQ (${ VSub_Name DIFFROOT) (" up to date."))})]
          spids: [-1 351]
        )
      ]
      else_action: [
        (C {(echo)} 
          {
            (DQ (${ VSub_Name DIFFROOT) 
              (" is out of date. Please run hack/update-federation-generated-swagger-docs.sh")
            )
          }
        )
        (C {(exit)} {(1)})
      ]
      spids: [363 380]
    )
  ]
)