package jnpf.bizcommon.onlyoffice.service.impl;

import jnpf.bizcommon.onlyoffice.entity.OnlyOfficeConfigParam;
import jnpf.exception.DataException;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;

import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

@Component
public class OnlyOfficeSceneConfigRegistry {

    private final Map<String, OnlyOfficeSceneConfigBuilder> buildersByScene = new LinkedHashMap<>();
    private final Map<String, OnlyOfficeSceneConfigBuilder> guardedBuildersByModule = new LinkedHashMap<>();
    private final DefaultSceneConfigBuilder defaultBuilder;

    public OnlyOfficeSceneConfigRegistry(List<OnlyOfficeSceneConfigBuilder> builders,
            DefaultSceneConfigBuilder defaultBuilder) {
        this.defaultBuilder = defaultBuilder;
        for (OnlyOfficeSceneConfigBuilder builder : builders) {
            if (StringUtils.hasText(builder.scene())) {
                if (buildersByScene.putIfAbsent(builder.scene(), builder) != null) {
                    throw new IllegalStateException("OnlyOffice 场景 Builder 重复：" + builder.scene());
                }
            }
            if (builder.guardsBusinessContext() && StringUtils.hasText(builder.bizModule())) {
                if (guardedBuildersByModule.putIfAbsent(builder.bizModule(), builder) != null) {
                    throw new IllegalStateException("OnlyOffice 业务模块守卫重复：" + builder.bizModule());
                }
            }
        }
    }

    public OnlyOfficeSceneConfigBuilder resolve(OnlyOfficeConfigParam param) {
        OnlyOfficeSceneConfigBuilder builder = buildersByScene.get(param.getBizScene());
        if (builder == null) {
            return defaultBuilder;
        }
        if (!builder.bizModule().equals(param.getBizModule())) {
            throw new DataException("OnlyOffice 插件场景与业务模块不匹配");
        }
        return builder;
    }

    public List<OnlyOfficeSceneConfigBuilder> guardedBuilders() {
        return new java.util.ArrayList<>(guardedBuildersByModule.values());
    }

    public OnlyOfficeSceneConfigBuilder guardedBuilder(String bizModule) {
        return guardedBuildersByModule.get(bizModule);
    }
}