input parameter changes

README.md

@@ -186,7 +186,7 @@ The `raceDataJson` string passed to `jres_input_from_json` must strictly follow
 | :--- | :--- | :--- | :--- |
 | `consecutiveStints` | Integer | No (Default `1`) | Hard constraint: Required number of consecutive stints a driver must perform (block size). |
 | `minimumRestHours` | Integer | No (Default `0`) | Hard constraint: Minimum contiguous rest time required once per race. |
-| `maxBusyHours` | Integer | No (Default `8`) | Hard constraint: Maximum total time (driving + spotting) a member can work before a required rest. |
+| `maximumBusyHours` | Integer | No (Default `8`) | Hard constraint: Maximum total time (driving + spotting) a member can work before a required rest. |
 | `firstStintDriver` | String | No | Hard constraint: The name of the team member who must drive the first stint. |
 | `teamMembers` | Array | Yes | List of drivers and spotters (see below). |
 | `availability` | Object | Yes | Map of availability constraints (see below). |

TOOLS.md

@@ -60,7 +60,7 @@ jres_solver.exe [options]
 
 > [!TIP]
 > **Constraint Configuration:**
-> While some options are available as CLI flags, core schedule constraints such as `maxBusyHours`, `minimumRestHours`, and `consecutiveStints` are defined strictly within the **Input JSON** file. See [README](./README.md#input-json-specification) for details.
+> While some options are available as CLI flags, core schedule constraints such as `maximumBusyHours`, `minimumRestHours`, and `consecutiveStints` are defined strictly within the **Input JSON** file. See [README](./README.md#input-json-specification) for details.
 
 ### Spotter Modes
 

include/jres_solver/jres_solver.hpp

@@ -123,7 +123,7 @@ struct JresSolverInput {
     /** @brief Minimum rest time in hours required after a shift. */
     int minimumRestHours;
     /** @brief Maximum busy time in hours (driving or spotting) before a rest is required. */
-    int maxBusyHours;
+    int maximumBusyHours;
     /** @brief The name of the team member who must drive the first stint. */
     const char* firstStintDriver;
     /** @brief A pointer to an array of team members. */
@@ -176,6 +176,20 @@ struct JresSolverStats {
     double spotterSolveDurationMs;
 };
 
+/**
+ * @brief Configuration parameters used for the solution.
+ */
+struct JresInputConfig {
+    /** @brief Required consecutive stints (drivers must do this many stints in a row, except potentially the last one). */
+    int consecutiveStints;
+    /** @brief Minimum rest time in hours required after a shift. */
+    int minimumRestHours;
+    /** @brief Maximum busy time in hours (driving or spotting) before a rest is required. */
+    int maximumBusyHours;
+    /** @brief The name of the team member who must drive the first stint. */
+    const char* firstStintDriver;
+};
+
 /**
  * @brief The main output struct from the solver.
  */
@@ -192,6 +206,8 @@ struct JresSolverOutput {
     JresSolverStats* stats;
     /** @brief The options used to generate this solution. */
     JresSolverOptions* options;
+    /** @brief The input configuration used to generate this solution. */
+    JresInputConfig* config;
     /** @brief A pointer to an array of team members, including their tzOffset. */
     JresTeamMember* teamMembers;
     /** @brief The number of team members. */

src/constraints/max_busy_time.cpp

@@ -18,7 +18,7 @@ void apply_max_busy_time_constraints(
 {
     using namespace jres::internal;
 
-    if (input.maxBusyHours <= 0) return;
+    if (input.maximumBusyHours <= 0) return;
 
     // Calculate durations
     std::vector<double> stintDurations;
@@ -37,7 +37,7 @@ void apply_max_busy_time_constraints(
             for (size_t e = s; e < input.stints.size(); ++e) {
                 currentDuration += stintDurations[e];
 
-                if (currentDuration > input.maxBusyHours) {
+                if (currentDuration > input.maximumBusyHours) {
                     // Violation if assigned to ALL stints in [s, e]
                     // Constraint: Sum(coeff * x[k]) <= (e - s)
 

src/jres_internal_types.cpp

@@ -67,7 +67,7 @@ SolverInput from_c_input(const JresSolverInput* c_input) {
 
     input.consecutiveStints = c_input->consecutiveStints;
     input.minimumRestHours = c_input->minimumRestHours;
-    input.maxBusyHours = c_input->maxBusyHours;
+    input.maximumBusyHours = c_input->maximumBusyHours;
     if (c_input->firstStintDriver) {
         input.firstStintDriver = c_input->firstStintDriver;
     }
@@ -131,15 +131,35 @@ JresSolverOutput* to_c_output(const SolverOutput& output, const JresSolverOption
         c_output->diagnosis[i] = allocate_and_copy(output.diagnosis[i]);
     }
 
-    c_output->stats = new JresSolverStats();
-    c_output->stats->modelColumns = output.stats.modelColumns;
-    c_output->stats->modelRows = output.stats.modelRows;
-    c_output->stats->searchNodes = output.stats.searchNodes;
-    c_output->stats->finalGap = output.stats.finalGap;
-    c_output->stats->setupDurationMs = output.stats.setupDurationMs;
-    c_output->stats->driverSolveDurationMs = output.stats.driverSolveDurationMs;
-    c_output->stats->spotterSolveDurationMs = output.stats.spotterSolveDurationMs;
+    if (output.stats.modelRows > 0 || output.stats.modelColumns > 0) {
+        c_output->stats = new JresSolverStats();
+        c_output->stats->modelColumns = output.stats.modelColumns;
+        c_output->stats->modelRows = output.stats.modelRows;
+        c_output->stats->searchNodes = output.stats.searchNodes;
+        c_output->stats->finalGap = output.stats.finalGap;
+        c_output->stats->setupDurationMs = output.stats.setupDurationMs;
+        c_output->stats->driverSolveDurationMs = output.stats.driverSolveDurationMs;
+        c_output->stats->spotterSolveDurationMs = output.stats.spotterSolveDurationMs;
+    } else {
+        c_output->stats = nullptr;
+    }
+
+    // Copy options
+    c_output->options = new JresSolverOptions();
+    *c_output->options = options;
+
+    // Copy config
+    c_output->config = new JresInputConfig();
+    c_output->config->consecutiveStints = output.config.consecutiveStints;
+    c_output->config->minimumRestHours = output.config.minimumRestHours;
+    c_output->config->maximumBusyHours = output.config.maximumBusyHours;
+    if (!output.config.firstStintDriver.empty()) {
+        c_output->config->firstStintDriver = allocate_and_copy(output.config.firstStintDriver);
+    } else {
+        c_output->config->firstStintDriver = nullptr;
+    }
 
+    // Copy teamMembers
     c_output->teamMembers_len = output.teamMembers.size();
     c_output->teamMembers = new JresTeamMember[c_output->teamMembers_len];
     for (size_t i = 0; i < output.teamMembers.size(); ++i) {
@@ -149,8 +169,6 @@ JresSolverOutput* to_c_output(const SolverOutput& output, const JresSolverOption
         c_output->teamMembers[i].tzOffset = output.teamMembers[i].tzOffset;
     }
 
-    c_output->options = new JresSolverOptions(options);
-
     return c_output;
 }
 

src/jres_internal_types.hpp

@@ -47,7 +47,7 @@ struct SolverInput
 {
     int consecutiveStints = 1;
     int minimumRestHours = 0;
-    int maxBusyHours = 8;
+    int maximumBusyHours = 8;
     std::string firstStintDriver;
     std::vector<TeamMember> teamMembers;
     std::map<std::string, std::map<std::string, Availability>> availability;
@@ -80,12 +80,20 @@ struct SolverStats {
     double spotterSolveDurationMs = 0.0;
 };
 
+struct InputConfig {
+    int consecutiveStints = 1;
+    int minimumRestHours = 0;
+    int maximumBusyHours = 8;
+    std::string firstStintDriver;
+};
+
 struct SolverOutput
 {
     std::vector<ScheduleEntry> schedule;
     std::vector<std::string> diagnosis;
     SolverStats stats;
     std::vector<TeamMember> teamMembers;
+    InputConfig config;
     // Add any other output fields here, like diagnosis or metrics
 };
 

src/jres_json_converter.cpp

@@ -76,7 +76,7 @@ JRES_SOLVER_API JresSolverInput* jres_input_from_json(const char* jsonData) {
         // Global Constraints
         input->consecutiveStints = j.value("consecutiveStints", 1);
         input->minimumRestHours = j.value("minimumRestHours", 0);
-        input->maxBusyHours = j.value("maxBusyHours", 8);
+        input->maximumBusyHours = j.value("maximumBusyHours", 8);
 
         if (j.contains("firstStintDriver") && !j["firstStintDriver"].is_null()) {
             input->firstStintDriver = allocate_and_copy(j["firstStintDriver"]);
@@ -194,6 +194,17 @@ JRES_SOLVER_API char* jres_output_to_json(const JresSolverOutput* output) {
             j["options"] = options_json;
         }
 
+        if (output->config) {
+            json config_json;
+            config_json["consecutiveStints"] = output->config->consecutiveStints;
+            config_json["minimumRestHours"] = output->config->minimumRestHours;
+            config_json["maximumBusyHours"] = output->config->maximumBusyHours;
+            if (output->config->firstStintDriver) {
+                config_json["firstStintDriver"] = output->config->firstStintDriver;
+            }
+            j["configuration"] = config_json;
+        }
+
         std::string json_str = j.dump();
         return allocate_and_copy(json_str);
 
@@ -238,6 +249,12 @@ JRES_SOLVER_API void free_jres_solver_output(JresSolverOutput* output) {
     if (output->options) {
         delete output->options;
     }
+    if (output->config) {
+        if (output->config->firstStintDriver) {
+             delete[] output->config->firstStintDriver; // allocated via allocate_and_copy
+        }
+        delete output->config;
+    }
     delete output;
 }
 

src/jres_standard_solver.cpp

@@ -124,6 +124,12 @@ jres::internal::SolverOutput JresStandardSolver::solve()
     auto startTotal = high_resolution_clock::now();
     jres::internal::SolverOutput output;
 
+    // Populate Config
+    output.config.consecutiveStints = m_input.consecutiveStints;
+    output.config.minimumRestHours = m_input.minimumRestHours;
+    output.config.maximumBusyHours = m_input.maximumBusyHours;
+    output.config.firstStintDriver = m_input.firstStintDriver;
+
     // --- Arithmetic Pre-flight Check ---
     int totalStints = (int)m_input.stints.size();
     auto capAnalysis = jres::internal::CapacityAnalyzer::calculate_max_potential_capacity(m_driverPool, m_input);

test/test_max_busy.cpp

@@ -10,7 +10,7 @@ TEST(MaxBusyTest, MaxBusyHoursInfeasible) {
     // Driver cannot do S1, S2, S3 continuously.
 
     std::string json_str = R"({
-      "maxBusyHours": 2,
+      "maximumBusyHours": 2,
       "teamMembers": [
         { "name": "D1", "isDriver": true }
       ],
@@ -56,7 +56,7 @@ TEST(MaxBusyTest, MaxBusyHoursFeasible) {
     // D1: S1, S2. D2: S3. Valid.
 
     std::string json_str = R"({
-      "maxBusyHours": 2,
+      "maximumBusyHours": 2,
       "teamMembers": [
         { "name": "D1", "isDriver": true },
         { "name": "D2", "isDriver": true }
@@ -101,7 +101,7 @@ TEST(MaxBusyTest, MaxBusySpotterIntegrated) {
     // Spotter cannot do S1, S2, S3 continuously.
 
      std::string json_str = R"({
-      "maxBusyHours": 2,
+      "maximumBusyHours": 2,
       "teamMembers": [
         { "name": "D1", "isDriver": true, "isSpotter": false },
         { "name": "D2", "isDriver": true, "isSpotter": false },
@@ -153,7 +153,7 @@ TEST(MaxBusyTest, MaxBusySequential) {
     // Combined Kyle = 8h. > 6h.
 
     std::string json_str = R"({
-      "maxBusyHours": 6,
+      "maximumBusyHours": 6,
       "teamMembers": [
         { "name": "Kyle", "isDriver": true, "isSpotter": true },
         { "name": "D2", "isDriver": true, "isSpotter": false },

test/test_max_busy_defaults.cpp

@@ -44,7 +44,7 @@ TEST(MaxBusyDefaults, DefaultValueCheck) {
     // Verify manually that input->maxBusyHours is 8 (if we can inspect it? It's in the opaque struct)
     // Actually we can inspect it because we have the struct definition in header.
     // But JresSolverInput definition is in jres_solver.hpp which is included.
-    EXPECT_EQ(input->maxBusyHours, 8);
+    EXPECT_EQ(input->maximumBusyHours, 8);
 
     JresSolverOutput* output = solve_race_schedule(input, &options);
 
@@ -56,7 +56,7 @@ TEST(MaxBusyDefaults, DefaultValueCheck) {
     }
 
     if (feasible) {
-         FAIL() << "Solver found schedule despite default maxBusyHours=8 violation.";
+         FAIL() << "Solver found schedule despite default maximumBusyHours=8 violation.";
     }
 
     free_jres_solver_output(output);

test/test_max_busy_mixed_roles.cpp

@@ -19,7 +19,7 @@ TEST(MaxBusyMixedRoles, AlternatingWorkload) {
 
     std::string json_str = R"({
       "consecutiveStints": 2,
-      "maxBusyHours": 8,
+      "maximumBusyHours": 8,
       "teamMembers": [
         { "name": "Kyle", "isDriver": true, "isSpotter": true }
       ],
@@ -68,7 +68,7 @@ TEST(MaxBusyMixedRoles, AlternatingWorkload) {
         for(int i=0; i<12; ++i) {
             std::cout << i << ": " << output->schedule[i].driver << " / " << output->schedule[i].spotter << std::endl;
         }
-        FAIL() << "Solver produced a schedule violating maxBusyHours with alternating roles.";
+        FAIL() << "Solver produced a schedule violating maximumBusyHours with alternating roles.";
     }
 
     free_jres_solver_output(output);