#include "config_template.hpp"
#include <sstream>
#include <cmath>

ConfigTemplate::ConfigTemplate(std::string              scenarioName,
                               std::vector<std::string> components,
                               std::string              topologyRef,
                               uint32_t                 portsPerCabinet,
                               double                   spareRatio)
    : scenarioName(std::move(scenarioName))
    , components(std::move(components))
    , topologyRef(std::move(topologyRef))
    , portsPerCabinet(portsPerCabinet)
    , spareRatio(spareRatio)
{}

std::string ConfigTemplate::generateBomSummary(uint32_t cabinetCount) const {
    uint32_t totalPorts    = portsPerCabinet * cabinetCount;
    uint32_t sparePorts    = static_cast<uint32_t>(std::round(totalPorts * spareRatio));
    uint32_t totalWithSpare = totalPorts + sparePorts;

    std::ostringstream oss;
    oss << "场景: " << scenarioName << "\n"
        << "  机柜数量: " << cabinetCount << "\n"
        << "  基础端口量: " << totalPorts << "\n"
        << "  备用余量 (" << (spareRatio * 100.0) << "%): " << sparePorts << "\n"
        << "  含余量总端口数: " << totalWithSpare << "\n"
        << "  组件清单:\n";
    for (const auto& comp : components) {
        oss << "    - " << comp << "\n";
    }
    oss << "  拓扑参考: " << topologyRef << "\n";
    return oss.str();
}

std::string ConfigTemplate::summary() const {
    std::ostringstream oss;
    oss << "配置模板: " << scenarioName << "\n"
        << "  单柜端口密度: " << portsPerCabinet << "\n"
        << "  备用余量比例: " << (spareRatio * 100.0) << "%\n"
        << "  拓扑: " << topologyRef << "\n";
    return oss.str();
}

std::vector<ConfigTemplate> ConfigTemplate::builtInTemplates() {
    std::vector<ConfigTemplate> templates;

    templates.emplace_back(
        "数据中心LC单模预端接",
        std::vector<std::string>{
            "LC单模适配器(双工)",
            "LC单模尾纤(1.5m)",
            "LC单模跳线(3m)",
            "光纤收发器 SFP+ 10G"
        },
        "topo_dc_lc_sm_v1",
        48,
        0.15
    );

    templates.emplace_back(
        "机房SC多模通用配线",
        std::vector<std::string>{
            "SC多模适配器(双工)",
            "SC多模尾纤(2m)",
            "SC多模跳线(5m)",
            "光纤收发器 SFP 1G"
        },
        "topo_room_sc_mm_v1",
        24,
        0.10
    );

    templates.emplace_back(
        "数据中心MPO高密度预端接",
        std::vector<std::string>{
            "MPO适配器(12芯)",
            "MPO干线光缆(12芯)",
            "MPO-LC分支跳线",
            "光纤收发器 QSFP 40G"
        },
        "topo_dc_mpo_high_density_v1",
        96,
        0.20
    );

    return templates;
}