#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
#
use t::APISIX 'no_plan';

repeat_each(1);
no_long_string();
no_root_location();
run_tests;

__DATA__

=== TEST 1: sanity
--- config
    location /t {
        content_by_lua_block {
            local plugin = require("apisix.plugins.udp-logger")
            local ok, err = plugin.check_schema({host = "127.0.0.1", port = 3000})
            if not ok then
                ngx.say(err)
            end

            ngx.say("done")
        }
    }
--- request
GET /t
--- response_body
done


=== TEST 2: missing host
--- config
    location /t {
        content_by_lua_block {
            local plugin = require("apisix.plugins.udp-logger")
            local ok, err = plugin.check_schema({port = 3000})
            if not ok then
                ngx.say(err)
            end

            ngx.say("done")
        }
    }
--- request
GET /t
--- response_body
property "host" is required
done


=== TEST 3: wrong type of string
--- config
    location /t {
        content_by_lua_block {
            local plugin = require("apisix.plugins.udp-logger")
            local ok, err = plugin.check_schema({host= "127.0.0.1", port = 3000, timeout = "10"})
            if not ok then
                ngx.say(err)
            end

            ngx.say("done")
        }
    }
--- request
GET /t
--- response_body
property "timeout" validation failed: wrong type: expected integer, got string
done


=== TEST 4: add plugin
--- config
    location /t {
        content_by_lua_block {
            local t = require("lib.test_admin").test
            local code, body = t('/apisix/admin/routes/1',
                 ngx.HTTP_PUT,
                 [[{
                        "plugins": {
                            "udp-logger": {
                                "host": "127.0.0.1",
                                "port": 2000,
                                "batch_max_size": 1
                            }
                        },
                        "upstream": {
                            "nodes": {
                                "127.0.0.1:1982": 1
                            },
                            "type": "roundrobin"
                        },
                        "uri": "/opentracing"
                }]]
                )

            if code >= 300 then
                ngx.status = code
            end
            ngx.say(body)
        }
    }
--- request
GET /t
--- response_body
passed


=== TEST 5: access
--- request
GET /opentracing
--- response_body
opentracing
--- wait: 1


=== TEST 6: error log
--- config
    location /t {
        content_by_lua_block {
            local t = require("lib.test_admin").test
            local code, body = t('/apisix/admin/routes/1',
                 ngx.HTTP_PUT,
                 [[{
                        "plugins": {
                            "udp-logger": {
                                "host": "312.0.0.1",
                                "port": 2000,
                                "batch_max_size": 1
                            }
                        },
                        "upstream": {
                            "nodes": {
                                "127.0.0.1:1982": 1
                            },
                            "type": "roundrobin"
                        },
                        "uri": "/opentracing"
                }]]
                )

            if code >= 300 then
                ngx.status = code
            end

            ngx.say(body)

            local http = require "resty.http"
            local httpc = http.new()
            local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/opentracing"
            local res, err = httpc:request_uri(uri, {method = "GET"})
        }
    }
--- request
GET /t
--- error_log
failed to connect to UDP server: host[312.0.0.1] port[2000]
[error]
--- wait: 5


=== TEST 7: check plugin configuration updating
--- config
    location /t {
        content_by_lua_block {
            local t = require("lib.test_admin").test
            local code, body1 = t('/apisix/admin/routes/1',
                 ngx.HTTP_PUT,
                 [[{
                        "plugins": {
                            "udp-logger": {
                                "host": "127.0.0.1",
                                "port": 2000,
                                "tls": false,
                                "batch_max_size": 1
                            }
                        },
                        "upstream": {
                            "nodes": {
                                "127.0.0.1:1982": 1
                            },
                            "type": "roundrobin"
                        },
                        "uri": "/opentracing"
                }]]
                )

            if code >= 300 then
                ngx.status = code
                ngx.say("fail")
                return
            end

            local code, _, body2 = t("/opentracing", "GET")
            if code >= 300 then
                ngx.status = code
                ngx.say("fail")
                return
            end

            local code, body3 = t('/apisix/admin/routes/1',
                 ngx.HTTP_PUT,
                 [[{
                        "plugins": {
                            "udp-logger": {
                                "host": "127.0.0.1",
                                "port": 2002,
                                "tls": false,
                                "batch_max_size": 1
                            }
                        },
                        "upstream": {
                            "nodes": {
                                "127.0.0.1:1982": 1
                            },
                            "type": "roundrobin"
                        },
                        "uri": "/opentracing"
                }]]
                )

            if code >= 300 then
                ngx.status = code
                ngx.say("fail")
                return
            end

            local code, _, body4 = t("/opentracing", "GET")
            if code >= 300 then
                ngx.status = code
                ngx.say("fail")
                return
            end

            ngx.print(body1)
            ngx.print(body2)
            ngx.print(body3)
            ngx.print(body4)
        }
    }
--- request
GET /t
--- wait: 0.5
--- response_body
passedopentracing
passedopentracing
--- grep_error_log eval
qr/sending a batch logs to 127.0.0.1:(\d+)/
--- grep_error_log_out
sending a batch logs to 127.0.0.1:2000
sending a batch logs to 127.0.0.1:2002


=== TEST 8: bad custom log format
--- config
    location /t {
        content_by_lua_block {
            local t = require("lib.test_admin").test
            local code, body = t('/apisix/admin/plugin_metadata/udp-logger',
                 ngx.HTTP_PUT,
                 [[{
                        "log_format": "'$host' '$time_iso8601'"
                 }]]
                )
            if code >= 300 then
                ngx.status = code
                ngx.print(body)
                return
            end
            ngx.say(body)
        }
    }
--- request
GET /t
--- error_code: 400
--- response_body
{"error_msg":"invalid configuration: property \"log_format\" validation failed: wrong type: expected object, got string"}


=== TEST 9: configure plugin and access route /hello
--- config
    location /t {
        content_by_lua_block {
            local t = require("lib.test_admin").test
            local code, body = t('/apisix/admin/routes/1',
                 ngx.HTTP_PUT,
                 [[{
                        "plugins": {
                            "udp-logger": {
                                "host": "127.0.0.1",
                                "port": 8127,
                                "tls": false,
                                "batch_max_size": 1,
                                "inactive_timeout": 1
                            }
                        },
                        "upstream": {
                            "nodes": {
                                "127.0.0.1:1980": 1
                            },
                            "type": "roundrobin"
                        },
                        "uri": "/hello"
                }]]
                )

            if code >= 300 then
                ngx.status = code
                ngx.say(body)
                return
            end

            local code, body = t('/apisix/admin/plugin_metadata/udp-logger',
                 ngx.HTTP_PUT,
                 [[{
                        "log_format": {
                            "host": "$host",
                            "case name": "plugin_metadata",
                            "@timestamp": "$time_iso8601",
                            "client_ip": "$remote_addr"
                        }
                }]]
                )

            if code >= 300 then
                ngx.status = code
                ngx.say(body)
                return
            end

            ngx.say(body)
            local code, _, _ = t("/hello", "GET")
            if code >= 300 then
                ngx.status = code
                ngx.say("fail")
                return
            end
        }
    }
--- request
GET /t
--- response_body
passed


=== TEST 10: check if log exists to confirm if logging server was hit
--- exec
tail -n 1 ci/pod/vector/udp.log
--- response_body eval
qr/.*plugin_metadata.*/


=== TEST 11: configure plugin and access route /hello
--- config
    location /t {
        content_by_lua_block {
            local t = require("lib.test_admin").test
            local code, body = t('/apisix/admin/routes/1',
                 ngx.HTTP_PUT,
                 [[{
                        "plugins": {
                            "udp-logger": {
                                "host": "127.0.0.1",
                                "port": 8127,
                                "tls": false,
                                "batch_max_size": 1,
                                "inactive_timeout": 1
                            }
                        },
                        "upstream": {
                            "nodes": {
                                "127.0.0.1:1980": 1
                            },
                            "type": "roundrobin"
                        },
                        "uri": "/hello"
                }]]
                )

            if code >= 300 then
                ngx.status = code
                ngx.say(body)
                return
            end

            local code, body = t('/apisix/admin/plugin_metadata/udp-logger',
                 ngx.HTTP_PUT,
                 [[{
                        "log_format": {
                            "host": "$host",
                            "case name": "logger format in plugin",
                            "@timestamp": "$time_iso8601",
                            "client_ip": "$remote_addr"
                        }
                }]]
                )

            if code >= 300 then
                ngx.status = code
                ngx.say(body)
                return
            end

            ngx.say(body)
            local code, _, _ = t("/hello", "GET")
            if code >= 300 then
                ngx.status = code
                ngx.say("fail")
                return
            end
        }
    }
--- request
GET /t
--- response_body
passed


=== TEST 12: check log format from logging server
--- exec
tail -n 1 ci/pod/vector/udp.log
--- response_body eval
qr/.*logger format in plugin.*/


=== TEST 13: add plugin with 'include_req_body' setting, collect request log
--- config
    location /t {
        content_by_lua_block {
            local t = require("lib.test_admin").test
            t('/apisix/admin/plugin_metadata/udp-logger', ngx.HTTP_DELETE)
            local code, body = t('/apisix/admin/routes/1',
                 ngx.HTTP_PUT,
                 [[{
                        "plugins": {
                            "udp-logger": {
                                "host": "127.0.0.1",
                                "port": 8127,
                                "tls": false,
                                "batch_max_size": 1,
                                "inactive_timeout": 1,
                                "include_req_body": true
                            }
                        },
                        "upstream": {
                            "nodes": {
                                "127.0.0.1:1980": 1
                            },
                            "type": "roundrobin"
                        },
                        "uri": "/hello"
                }]]
                )

            if code >= 300 then
                ngx.status = code
                ngx.say(body)
                return
            end


            local code, _, body = t("/hello", "POST", "{\"sample_payload\":\"hello\"}")
        }
    }
--- request
GET /t
--- error_log
"body":"{\"sample_payload\":\"hello\"}"


=== TEST 14: add plugin with 'include_resp_body' setting, collect request log
--- config
    location /t {
        content_by_lua_block {
            local t = require("lib.test_admin").test
            t('/apisix/admin/plugin_metadata/udp-logger', ngx.HTTP_DELETE)
            local code, body = t('/apisix/admin/routes/1',
                 ngx.HTTP_PUT,
                 [[{
                        "plugins": {
                            "udp-logger": {
                                "host": "127.0.0.1",
                                "port": 8127,
                                "tls": false,
                                "batch_max_size": 1,
                                "inactive_timeout": 1,
                                "include_resp_body": true
                            }
                        },
                        "upstream": {
                            "nodes": {
                                "127.0.0.1:1980": 1
                            },
                            "type": "roundrobin"
                        },
                        "uri": "/hello"
                }]]
                )

            if code >= 300 then
                ngx.status = code
                ngx.say(body)
                return
            end


            local code, _, body = t("/hello", "POST", "{\"sample_payload\":\"hello\"}")
        }
    }
--- request
GET /t
--- error_log
"body":"hello world\n"