#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";
    case FromScheme:
        return "专家导入";
    }
}

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::stringFromIndexCostType(SchemePlanManager::IndexCostType t)
{
    switch (t) {
    case IndexCostTypeCost:
        return "成本型";
    case IndexCostTypeBenefit:
        return "效益型";
    }
}

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 "";
}

QString SchemePlanManager::processDescription(const SchemePlanManager::SchemeProcessInfo &process)
{
    switch (process.type) {
    case IndexSystem:
        return "在指标体系设计页面，录入项目包含的指标，注意指标名称不能重复。";
    case ImportWeightData:
    case ImportEvalData: {
        if (process.dSource == FromExpert) {
            return "在评估数据采集页面给项目配置专家和权重。从评估项目管理页面找到对应的项目，导出资源包分发给专家。收"
                   "集到专家填写的数据后，在评估数据采集页面导入专家数据。";
        } else if (process.dSource == FromMeasurement) {
            return "在评估数据采集页面添加实测数据。";
        } else if (process.dSource == FromScheme) {
            return "在评估数据采集页面添加专家方案。";
        }
        break;
    }
    case OptimizeIndex:
        return "";
    case CalculateWeight: {
        QString algName = stringFromAlgorithm(process.algorithm);
        return QString("使用%1计算各个指标的权重。").arg(algName);
    }

    case RunEvaluate: {
        QString algName = stringFromAlgorithm(process.algorithm);
        if (process.indexType == ProjectManager::TechIndex) {
            return QString("使用%1进行技术措施重要度评估。").arg(algName);
        } else if (process.indexType == ProjectManager::OptimalIndex) {
            return QString("使用%1进行方案优选评估。").arg(algName);
        } else if (process.indexType == ProjectManager::EfficiencyIndex) {
            return QString("使用%1进行综合效能评估。").arg(algName);
        }
    }
    case ShowEvalResult: {
        if (process.indexType == ProjectManager::AbilityIndex) {
            return "在评估数据处理页面查看权重分析结果";
        } else {
            return "在评估数据处理页面查看评估结果";
        }
    case GenerateReport:
        return "";
    default:
        break;
    }
    }
    return "";
}

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