#include "switch_statements.hpp"

namespace control_flow {

    // enum class Operation { Add, Subtract, Multiply, Divide, Unknown };
auto parse_operation(const char op) -> Operation {
    switch (op) {
        case '+': return Operation::Add;
        case '-': return Operation::Subtract;
        case '*': return Operation::Multiply;
        case '/': return Operation::Divide;
        default: return Operation::Unknown;
    }
}

auto apply_operation(const Operation op, const int lhs, const int rhs) -> int
    pre(op != Operation::Unknown)
{
    switch (op) {
        case Operation::Add: return lhs + rhs;
        case Operation::Subtract: return lhs - rhs;
        case Operation::Multiply: return lhs * rhs;
        case Operation::Divide: return lhs / rhs;
        default: return -1; // Unreachable due to contract
    }
}

auto day_name(const int day) -> std::string {
    switch (day) {
        case 1: return "Monday";
        case 2: return "Tuesday";
        case 3: return "Wednesday";
        case 4: return "Thursday";
        case 5: return "Friday";
        case 6: return "Saturday";
        case 7: return "Sunday";
        default: return "Invalid";
    }
}

}  // namespace control_flow