/*!
 * \file sequencer.cpp
 *
 * \copyright Copyright (C) 2020 Christos Choutouridis <christos@choutouridis.net>
 *
 * <dl class=\"section copyright\"><dt>License</dt><dd>
 * The MIT License (MIT)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * </dd></dl>
 *
 */
#include <utils/sequencer.h>
#include <gtest/gtest.h>


namespace test_sequencer {
   using namespace tbx;

   struct seq_cont_t {
       const char *msg_[10] = {
           "", "", "", "\r\nOK\r\n",
           "", "", "+CCLK = \"21/08/26-12:16:30+12\"\r\nOK\r\n"
           "", "", "\r\nERROR\r\n"
       };
       using value_type = char;
       using range_t    = range<const char*>;
   };
   seq_cont_t seq_cont;

   // Sequencer implementer mock
   class Seq : public sequencer<Seq, seq_cont_t, char, 128> {
           using range_t    = typename seq_cont_t::range_t;

       public:
           size_t get(char* data) {
               static int msg =0;
               size_t len = strlen(seq_cont.msg_[msg]);
               strcpy(data, seq_cont.msg_[msg++]);
               if (msg >= 10) msg =0;
               return len;
           }
           size_t put (const char* data, size_t n) {
               (void)*data;
               return n;
           }
           const range_t contents () const {
               return range_t {&seq_cont.msg_[6][0], &seq_cont.msg_[6][5]};
           }
           clock_t clock() { static clock_t t=0; return ++t; }

           static void my_handler (const char* data, size_t size) {
               (void)*data;
               (void)size;
           }
   };

   /*
    * Test  sequencer.run()
    */
   TEST(Tsequencer, run_delay) {
       Seq s;
       const std::array<Seq::record_t<1>, 1> script = {{
           /* 0 */{Seq::control_t::NOP,  {"", Seq::match_t::NO, nullptr, Seq::action_t::EXIT_OK, 0}, 1000}
       }};
       EXPECT_EQ (s.run(script), true);
   }

   TEST(Tsequencer, run_dummy_output) {
       Seq s;
       const std::array<Seq::record_t<1>, 2> script = {{
           /* 0 */{Seq::control_t::SEND, {"", Seq::match_t::NO, nullptr, Seq::action_t::NEXT, 0}, 1000},
           /* 1 */{Seq::control_t::SEND, {"", Seq::match_t::NO, nullptr, Seq::action_t::EXIT_OK, 0}, 1000}
       }};
       EXPECT_EQ (s.run(script), true);
   }

   TEST(Tsequencer, run_exits) {
       Seq s;
       const std::array<Seq::record_t<1>, 1> script1 = {{
           /* 0 */{Seq::control_t::SEND, {"", Seq::match_t::NO, nullptr, Seq::action_t::EXIT_OK, 0}, 1000},
       }};
       EXPECT_EQ (s.run(script1), true);

       const std::array<Seq::record_t<1>, 1> script2 = {{
           /* 0 */{Seq::control_t::SEND, {"", Seq::match_t::NO, nullptr, Seq::action_t::EXIT_ERROR, 0}, 1000},
       }};
       EXPECT_EQ (s.run(script2), false);
   }

   TEST(Tsequencer, run_sequence) {
       Seq s;
       const std::array<Seq::record_t<2>, 9> script = {{
           /* 0 */{Seq::control_t::NOP,  {"",         Seq::match_t::NO, nullptr, Seq::action_t::GOTO, 1}, 1000},
           /* 1 */{Seq::control_t::SEND, {"ATE0\r\n", Seq::match_t::NO, nullptr, Seq::action_t::NEXT, 0}, 1000},
           /* 2 */{Seq::control_t::EXPECT, {{
                       {"OK\r\n", Seq::match_t::ENDS_WITH,   nullptr, Seq::action_t::NEXT, 0},
                       {"ERROR",  Seq::match_t::CONTAINS,    nullptr, Seq::action_t::EXIT_ERROR, 0} }},
                       1000
           },
           /* 3 */{Seq::control_t::DETECT, {{
                       {"+CCLK",  Seq::match_t::CONTAINS,   nullptr,  Seq::action_t::NEXT, 0},
                       {"ERROR",  Seq::match_t::CONTAINS,   nullptr,  Seq::action_t::EXIT_ERROR, 0} }},
                       1000
           },
           /* 4 */{Seq::control_t::SEND, {"AT+CCLK?", Seq::match_t::NO, nullptr, Seq::action_t::NEXT, 0}, 1000},
           /* 5 */{Seq::control_t::EXPECT, {{
                       {"OK\r\n", Seq::match_t::ENDS_WITH,   Seq::my_handler, Seq::action_t::NEXT, 0},
                       {"ERROR",  Seq::match_t::CONTAINS,    nullptr, Seq::action_t::EXIT_ERROR, 0} }},
                       1000
           },
           /* 6 */{Seq::control_t::SEND, {"AT+CT?", Seq::match_t::NO, nullptr, Seq::action_t::NEXT, 0}, 1000},
           /* 7 */{Seq::control_t::EXPECT, {{
                       {"OK\r\n", Seq::match_t::ENDS_WITH,   nullptr, Seq::action_t::NEXT, 0},
                       {"ERROR",  Seq::match_t::CONTAINS,    nullptr, Seq::action_t::EXIT_ERROR, 0} }},
                       1000
           },
           /* 8 */{Seq::control_t::SEND, {"AT+POWD=0", Seq::match_t::NO, nullptr, Seq::action_t::EXIT_OK, 0}, 1000}
       }};
       EXPECT_EQ (s.run(script), false);
   }
}