#
# 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.
#
BEGIN {
    if ($ENV{TEST_NGINX_CHECK_LEAK}) {
        $SkipReason = "unavailable for the hup tests";

    } else {
        $ENV{TEST_NGINX_USE_HUP} = 1;
        undef $ENV{TEST_NGINX_USE_STAP};
    }
}

use t::APISIX 'no_plan';

repeat_each(1);
no_long_string();
no_shuffle();
no_root_location();

add_block_preprocessor(sub {
    my ($block) = @_;

    if (!$block->request) {
        $block->set_value("request", "GET /t");
    }

    if (!$block->error_log && !$block->no_error_log) {
        $block->set_value("no_error_log", "[error]\n[alert]");
    }
});

run_tests;

__DATA__

=== TEST 1: set route, missing redis host
--- 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": {
                        "limit-count": {
                            "count": 2,
                            "time_window": 60,
                            "rejected_code": 503,
                            "key": "remote_addr",
                            "policy": "redis"
                        }
                    },
                    "upstream": {
                        "nodes": {
                            "127.0.0.1:1980": 1
                        },
                        "type": "roundrobin"
                    },
                    "uri": "/hello"
                }]]
                )

            if code >= 300 then
                ngx.status = code
            end
            ngx.print(body)
        }
    }
--- error_code: 400
--- response_body
{"error_msg":"failed to check the configuration of plugin limit-count err: then clause did not match"}


=== TEST 2: set route, with redis host and port
--- 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,
                [[{
                    "uri": "/hello",
                    "plugins": {
                        "limit-count": {
                            "count": 2,
                            "time_window": 60,
                            "rejected_code": 503,
                            "key": "remote_addr",
                            "policy": "redis",
                            "redis_host": "127.0.0.1",
                            "redis_port": 6379,
                            "redis_timeout": 1001
                        }
                    },
                    "upstream": {
                        "nodes": {
                            "127.0.0.1:1980": 1
                        },
                        "type": "roundrobin"
                    }
                }]]
                )

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


=== TEST 3: set route(default value: port and timeout)
--- 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,
                [[{
                    "uri": "/hello",
                    "plugins": {
                        "limit-count": {
                            "count": 2,
                            "time_window": 60,
                            "rejected_code": 503,
                            "key": "remote_addr",
                            "policy": "redis",
                            "redis_host": "127.0.0.1"
                        }
                    },
                    "upstream": {
                        "nodes": {
                            "127.0.0.1:1980": 1
                        },
                        "type": "roundrobin"
                    }
                }]]
                )

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


=== TEST 4: up the limit
--- request
GET /hello
--- error_log
try to lock with key route#1#redis
unlock with key route#1#redis


=== TEST 5: up the limit
--- pipelined_requests eval
["GET /hello", "GET /hello", "GET /hello"]
--- error_code eval
[200, 503, 503]


=== TEST 6: up the limit
--- pipelined_requests eval
["GET /hello1", "GET /hello", "GET /hello2", "GET /hello", "GET /hello"]
--- error_code eval
[404, 503, 404, 503, 503]


=== TEST 7: set route, with redis host, port and right password
--- config
    location /t {
        content_by_lua_block {
            local t = require("lib.test_admin").test
            -- set redis password
            local redis = require "resty.redis"

            local red = redis:new()

            red:set_timeout(1000) -- 1 sec

            local ok, err = red:connect("127.0.0.1", 6379)
            if not ok then
                ngx.say("failed to connect: ", err)
                return
            end

            -- for get_reused_times works
            -- local ok, err = red:set_keepalive(10000, 100)
            -- if not ok then
            --     ngx.say("failed to set keepalive: ", err)
            --     return
            -- end

            local count
            count, err = red:get_reused_times()
            if 0 == count then
                local res, err = red:config('set', 'requirepass', 'foobared')
                if not res then
                    ngx.say("failed to set: ", err)
                    return
                end
            elseif err then
                -- ngx.say("already set requirepass done: ", err)
                return
            end

            local code, body = t('/apisix/admin/routes/1',
                ngx.HTTP_PUT,
                [[{
                    "uri": "/hello",
                    "plugins": {
                        "limit-count": {
                            "count": 2,
                            "time_window": 60,
                            "rejected_code": 503,
                            "key": "remote_addr",
                            "policy": "redis",
                            "redis_host": "127.0.0.1",
                            "redis_port": 6379,
                            "redis_timeout": 1001,
                            "redis_password": "foobared"
                        }
                    },
                    "upstream": {
                        "nodes": {
                            "127.0.0.1:1980": 1
                        },
                        "type": "roundrobin"
                    }
                }]]
                )

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


=== TEST 8: up the limit
--- pipelined_requests eval
["GET /hello", "GET /hello", "GET /hello", "GET /hello"]
--- error_code eval
[200, 200, 503, 503]


=== TEST 9: up the limit
--- pipelined_requests eval
["GET /hello1", "GET /hello", "GET /hello2", "GET /hello", "GET /hello"]
--- error_code eval
[404, 503, 404, 503, 503]


=== TEST 10: set route, with redis host, port and wrong password
--- 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": {
                        "limit-count": {
                            "count": 2,
                            "time_window": 60,
                            "rejected_code": 503,
                            "key": "remote_addr",
                            "policy": "redis",
                            "redis_host": "127.0.0.1",
                            "redis_port": 6379,
                            "redis_timeout": 1001,
                            "redis_password": "WRONG_foobared"
                        }
                    },
                    "upstream": {
                        "nodes": {
                            "127.0.0.1:1980": 1
                        },
                        "type": "roundrobin"
                    },
                    "uri": "/hello_new"
                }]]
                )

            if code >= 300 then
                ngx.status = code
            end
            ngx.print(body)
        }
    }
--- error_code eval
200


=== TEST 11: request for TEST 10
--- request
GET /hello_new
--- error_code eval
500
--- error_log
failed to limit count: WRONGPASS invalid username-password pair or user is disabled


=== TEST 12: multi request for TEST 10
--- pipelined_requests eval
["GET /hello_new", "GET /hello1", "GET /hello1", "GET /hello_new"]
--- no_error_log
[alert]
--- error_code eval
[500, 404, 404, 500]


=== TEST 13: set route, with redis host, port and bad username and good password
--- 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,
                [[{
                    "uri": "/hello",
                    "plugins": {
                        "limit-count": {
                            "count": 2,
                            "time_window": 60,
                            "rejected_code": 503,
                            "key": "remote_addr",
                            "policy": "redis",
                            "redis_host": "127.0.0.1",
                            "redis_port": 6379,
                            "redis_timeout": 1001,
                            "redis_username": "bob",
                            "redis_password": "somepassword"
                        }
                    },
                    "upstream": {
                        "nodes": {
                            "127.0.0.1:1980": 1
                        },
                        "type": "roundrobin"
                    }
                }]]
                )

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


=== TEST 14: request for TEST 13
--- request
GET /hello
--- error_code eval
500
--- error_log
failed to limit count: WRONGPASS invalid username-password pair or user is disabled


=== TEST 15: set route, with redis host, port and good username and bad password
--- 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,
                [[{
                    "uri": "/hello",
                    "plugins": {
                        "limit-count": {
                            "count": 2,
                            "time_window": 60,
                            "rejected_code": 503,
                            "key": "remote_addr",
                            "policy": "redis",
                            "redis_host": "127.0.0.1",
                            "redis_port": 6379,
                            "redis_timeout": 1001,
                            "redis_username": "alice",
                            "redis_password": "badpassword"
                        }
                    },
                    "upstream": {
                        "nodes": {
                            "127.0.0.1:1980": 1
                        },
                        "type": "roundrobin"
                    }
                }]]
                )

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


=== TEST 16: request for TEST 15
--- request
GET /hello
--- error_code eval
500
--- error_log
failed to limit count: WRONGPASS invalid username-password pair or user is disabled


=== TEST 17: set route, with redis host, port and right username and password
--- 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,
                [[{
                    "uri": "/hello",
                    "plugins": {
                        "limit-count": {
                            "count": 2,
                            "time_window": 60,
                            "rejected_code": 503,
                            "key": "remote_addr",
                            "policy": "redis",
                            "redis_host": "127.0.0.1",
                            "redis_port": 6379,
                            "redis_timeout": 1001,
                            "redis_username": "alice",
                            "redis_password": "somepassword"
                        }
                    },
                    "upstream": {
                        "nodes": {
                            "127.0.0.1:1980": 1
                        },
                        "type": "roundrobin"
                    }
                }]]
                )

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


=== TEST 18: up the limit
--- pipelined_requests eval
["GET /hello", "GET /hello", "GET /hello", "GET /hello"]
--- error_code eval
[200, 200, 503, 503]


=== TEST 19: up the limit
--- pipelined_requests eval
["GET /hello1", "GET /hello", "GET /hello2", "GET /hello", "GET /hello"]
--- error_code eval
[404, 503, 404, 503, 503]


=== TEST 20: restore redis password to ''
--- config
    location /t {
        content_by_lua_block {
            local t = require("lib.test_admin").test
            -- set redis password
            local redis = require "resty.redis"

            local red = redis:new()

            red:set_timeout(1000) -- 1 sec

            local ok, err = red:connect("127.0.0.1", 6379)
            if not ok then
                ngx.say("failed to connect: ", err)
                return
            end

            -- for get_reused_times works
            -- local ok, err = red:set_keepalive(10000, 100)
            -- if not ok then
            --     ngx.say("failed to set keepalive: ", err)
            --     return
            -- end

            local count
            count, err = red:get_reused_times()
            if 0 == count then
                local redis_password = "foobared"
                if redis_password and redis_password ~= '' then
                    local ok, err = red:auth(redis_password)
                    if not ok then
                        return nil, err
                    end
                end
                local res, err = red:config('set', 'requirepass', '')
                if not res then
                    ngx.say("failed to set: ", err)
                    return
                end
            elseif err then
                -- ngx.say("already set requirepass done: ", err)
                return
            end
        }
    }
--- error_code eval
200