#include "SchemePlanManager.h"

#include "ProjectManager.h"

#include <QMetaEnum>
#include <QDebug>

QString SchemePlanManager::stringFromDataSource(SchemePlanManager::SchemeDataSource src)
{
    switch (src) {
    case NoData:
        return "无";

    case FromExpert:
        return "导入专家数据";

    case FromMeasurement:
        return "添加实测数据";
    }
}

QString SchemePlanManager::stringFromAlgorithm(SchemePlanManager::Algorithm alg)
{
    switch (alg) {
    case NoAlg:
        return "无";
    case PrincipalComponents:
        return "主成分分析法";
    case Entropy:
        return "熵值法";
    case AHP:
        return "层次分析法";
    case HWM:
        return "层次加权法";
    case SPA:
        return "集对分析法";
    case MEA:
        return "物元分析法";
    case GCE:
        return "灰色聚类评估法";
    case WeightedSum:
        return "加权求和法";
    }
}

QString SchemePlanManager::processName(const SchemeProcessInfo &process)
{
    QList<QString> l1 = { "构建权重分析指标体系", "收集权重分析数据", "指标体系优化", "指标权重计算", "", "",
                          "分析结果展示",         "生成分析评估报告" };
    QList<QString> l2 = {
        "构建技术措施指标体系", "", "", "", "收集评估数据", "评估计算", "评估结果展示", "生成评估报告"
    };
    QList<QString> l3 = { "构建方案优选指标体系", "收集方案优选权重分析数据",
                          "指标体系优化",         "指标权重计算",
                          "评估数据采集",         "方案优选计算",
                          "方案优选结果展示",     "生成方案优选报告" };
    QList<QString> l4 = { "构建效能评估指标体系", "收集效能评估权重分析数据", "指标体系优化",
                          "效能评估权重计算",     "收集效能评估数据",         "效能评估计算",
                          "效能评估结果展示",     "生成效能评估报告" };

    QList<QList<QString>> names = { l1, l2, l3, l4 };

    /// 获取指标类型枚举值 index
    /// 由于枚举值不是连续自然数, 故不能作为下表来索引数组
    /// 故须使用 index 替代
    int index           = 0;
    QMetaEnum indexEnum = QMetaEnum::fromType<ProjectManager::IndexType>();
    for (int i = 0; i < indexEnum.keyCount(); i++) {
        if (indexEnum.value(i) == process.indexType) {
            index = i;
            break;
        }
    }

    if (index >= 0 && index < names.count() && process.type >= 0 && process.type < names[index].count()) {
        return names[index][process.type];
    }
    return "";
}

QList<SchemePlanManager::SchemeDataSource>
SchemePlanManager::processOptionalDataSource(const SchemeProcessInfo &process)
{
    if (process.type == ImportEvalData && process.indexType == ProjectManager::EfficiencyIndex) {
        return { FromMeasurement };
    }
    if (process.type == ImportWeightData || process.type == ImportEvalData) {
        return { FromExpert, FromMeasurement };
    }

    return {};
}

/**
 * 根据指标体系类型和方案步骤类型, 返回可选算法
 * date: 2023-11-03 by chengxr
 */
QList<SchemePlanManager::Algorithm> SchemePlanManager::processOptionalAlgorithms(const SchemeProcessInfo &process)
{
    switch (process.type) {
    case OptimizeIndex:
        return { PrincipalComponents };
    case CalculateWeight: {
        return { AHP, Entropy, PrincipalComponents };
    }
    case RunEvaluate: {
        if (process.indexType == ProjectManager::TechIndex) {
            return { WeightedSum };
        } else if (process.indexType == ProjectManager::OptimalIndex) {
            return { HWM, SPA };
        } else if (process.indexType == ProjectManager::EfficiencyIndex) {
            return { MEA, GCE };
        }
        return {};
    }
    case IndexSystem:
    case ImportWeightData:
    case ImportEvalData:
    case ShowEvalResult:
    case GenerateReport:
        return {};
    }
}

bool SchemePlanManager::processIsOptional(const SchemeProcessInfo &process)
{
    return (process.type == GenerateReport);
}

SchemePlanManager::SchemePlanManager(QObject *parent) : QObject(parent) { }