getting more database stuff hooked up

src/database.hpp

@@ -0,0 +1,104 @@
+#include "critter.hpp"
+#include <SQLiteCpp/Database.h>
+#include <iostream>
+#include <map>
+
+inline static bool db_get_all_critters(std::map<int, Critter> &critters) {
+    try {
+        SQLite::Database db("./assets/local.db", SQLite::OPEN_READWRITE | SQLite::OPEN_CREATE);
+        SQLite::Statement q(db, "SELECT * FROM critters");
+
+        critters.clear();
+
+        while (q.executeStep()) {
+            int id = q.getColumn(0);
+
+            critters.try_emplace(
+                id,                               
+                id,                                     
+                q.getColumn(1).getText(),
+                q.getColumn(2).getText(),
+                q.getColumn(3).getInt(),
+                q.getColumn(4).getInt(),
+                q.getColumn(5).getText(),   
+                q.getColumn(6).getText()    
+            );
+        }
+    }
+    catch (const std::exception &e) {
+        std::cout << "[ERROR] DB exception: " << e.what() << std::endl;
+        return false;
+    }
+
+    return true;
+}
+
+inline static void db_print_all_critters(std::map<int, Critter> &critters) {
+    std::cout << "Current loaded critters:";
+    for (auto c : critters) {
+        std::cout << "\nCritter "   << c.first << "\n";
+        std::cout << "ID: "         << c.second.id << std::endl;
+        std::cout << "Name:"        << c.second.name << std::endl;
+        std::cout << "Gender: "     << c.second.gender << std::endl;
+        std::cout << "Mother ID: "  << c.second.mother_id << std::endl;
+        std::cout << "Father ID: "  << c.second.father_id << std::endl;
+        std::cout << "Notes: "      << c.second.notes << std::endl;
+        std::cout << "Species: "    << c.second.species << std::endl;
+    }
+    std::cout << "\n";
+}
+
+inline static bool validate_critter(const Critter &c, std::map<int, Critter> &all_critters, std::string &out_error) {
+    if (c.mother_id != 0 && c.father_id != 0 && c.mother_id == c.father_id) {
+        out_error = "Mother ID and Father ID cannot be the same.";
+        return false;
+    }
+
+    // Mother Validation
+    if (c.mother_id != 0) {
+        auto it = all_critters.find(c.mother_id);
+        if (it == all_critters.end()) {
+            out_error = "Mother ID " + std::to_string(c.mother_id) + " does not exist.";
+            return false;
+        }
+
+        const Critter& mother = it->second;
+
+        if (mother.gender != "F" && mother.gender != "Female") {
+            out_error = "Mother must have female gender ('F' or 'Female').";
+            return false;
+        }
+
+        if (mother.species != c.species) {
+            out_error = "Mother species ('" + mother.species + "') must match critter species ('" + c.species + "').";
+            return false;
+        }
+    }
+
+    // Father Validation
+    if (c.father_id != 0) {
+        auto it = all_critters.find(c.father_id);
+        if (it == all_critters.end()) {
+            out_error = "Father ID " + std::to_string(c.father_id) + " does not exist.";
+            return false;
+        }
+
+        const Critter& father = it->second;
+
+        if (father.gender != "M" && father.gender != "Male") {
+            out_error = "Father must have male gender ('M' or 'Male').";
+            return false;
+        }
+
+        if (father.species != c.species) {
+            out_error = "Father species ('" + father.species + "') must match critter species ('" + c.species + "').";
+            return false;
+        }
+    }
+
+    return true;
+}
+
+inline static bool db_try_add_critter() {
+
+}