D-Net

package eu.dnetlib.uoamonitorservice.controllers;

import eu.dnetlib.uoamonitorservice.dao.*;

import eu.dnetlib.uoamonitorservice.entities.*;

import eu.dnetlib.uoamonitorservice.handlers.EntityNotFoundException;

import eu.dnetlib.uoamonitorservice.handlers.PathNotValidException;

import org.apache.log4j.Logger;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;

import java.util.List;

@RestController

@CrossOrigin(origins = "*")

public class SubCategoryController {

    private final Logger log = Logger.getLogger(this.getClass());

    @Autowired

    private StakeholderDAO stakeholderDAO;

    @Autowired

    private TopicDAO topicDAO;

    @Autowired

    private CategoryDAO categoryDAO;

    @Autowired

    private SubCategoryDAO subCategoryDAO;

    @Autowired

    private SectionDAO sectionDAO;

    @Autowired

    private IndicatorDAO indicatorDAO;

    @Autowired

    private SectionController sectionController;

    public SubCategory<Section<Indicator>> buildSubCategory(SubCategory<Section<Indicator>> subcategoryFull) {

        SubCategory<String> subCategory = new SubCategory<>(subcategoryFull);

        List<String> sectionCharts = new ArrayList<>();

        List<Section<Indicator>> sectionChartsFull = new ArrayList<>();

        for(Section section : subcategoryFull.getCharts()) {

            Section<Indicator> sectionFull = sectionController.buildSection(section);

            sectionChartsFull.add(sectionFull);

            sectionCharts.add(sectionFull.getId());

        }

        subcategoryFull.setCharts(sectionChartsFull);

        subCategory.setCharts(sectionCharts);

        List<String> sectionNumbers = new ArrayList<>();

        List<Section<Indicator>> sectionNumbersFull = new ArrayList<>();

        for(Section section : subcategoryFull.getNumbers()) {

            Section<Indicator> sectionFull = sectionController.buildSection(section);

            sectionNumbersFull.add(sectionFull);

            sectionNumbers.add(sectionFull.getId());

        }

        subcategoryFull.setNumbers(sectionNumbersFull);

        subCategory.setNumbers(sectionNumbers);

        subCategoryDAO.save(subCategory);

        subcategoryFull.setId(subCategory.getId());

        return subcategoryFull;

    }

    @RequestMapping(value = "/{stakeholderId}/{topicId}/{categoryId}/save", method = RequestMethod.POST)

    public SubCategory<Section<Indicator>> saveSubCategory(@PathVariable("stakeholderId") String stakeholderId,

                                                           @PathVariable("topicId") String topicId,

                                                           @PathVariable("categoryId") String categoryId,

                                                           @RequestBody SubCategory<Section<Indicator>> subcategoryFull) {

        log.debug("save subcategory");

        log.debug("Alias: "+subcategoryFull.getAlias() + " - Id: "+subcategoryFull.getId() + " - Stakeholder: "+stakeholderId + " - Topic: "+topicId + " - Category: "+categoryId);

        Category category = checkForExceptions(stakeholderId, topicId, categoryId);

        SubCategory<String> subCategory = new SubCategory<>(subcategoryFull);

//        List<String> charts = new ArrayList<>();

//        for(Indicator chart : subcategoryFull.getCharts()) {

//            charts.add(chart.getId());

//        }

//        subCategory.setCharts(charts);

//

//        List<String> numbers = new ArrayList<>();

//        for(Indicator numbr : subcategoryFull.getNumbers()) {

//            numbers.add(numbr.getId());

//        }

//        subCategory.setNumbers(numbers);

        List<String> chartSections = new ArrayList<>();

        for(Section chartSection : subcategoryFull.getCharts()) {

            chartSections.add(chartSection.getId());

        }

        subCategory.setCharts(chartSections);

        List<String> numberSections = new ArrayList<>();

        for(Section numberSection : subcategoryFull.getNumbers()) {

            numberSections.add(numberSection.getId());

        }

        subCategory.setNumbers(numberSections);

        subCategoryDAO.save(subCategory);

        Stakeholder<String> stakeholder = stakeholderDAO.findById(stakeholderId);

        if(stakeholder.getDefaultId() == null) {

            if(subcategoryFull.getId() == null) {

                onSaveDefaultSubCategory(subCategory, categoryId);

            } else {

                onUpdateDefaultSubCategory(subCategory);

            }

        }

        List<String> subcategories = category.getSubCategories();

        int index = subcategories.indexOf(subCategory.getId());

        if(index == -1) {

            subcategories.add(subCategory.getId());

            categoryDAO.save(category);

            log.debug("Subcategory saved!");

            subcategoryFull.setId(subCategory.getId());

        }

        chartSections = null;

        numberSections = null;

        subCategory = null;

        return subcategoryFull;

    }

    public void onSaveDefaultSubCategory(SubCategory subCategory, String categoryId) {

        log.debug("On save default subCategory");

        List<Category> categories = categoryDAO.findByDefaultId(categoryId);

        for(Category category : categories) {

            SubCategory subCategoryNew = new SubCategory();

            subCategoryNew.copyFromDefault(subCategory);

            subCategoryDAO.save(subCategoryNew);

            List<String> subCategories = category.getSubCategories();

            subCategories.add(subCategoryNew.getId());

            categoryDAO.save(category);

        }

    }

    public void onUpdateDefaultSubCategory(SubCategory subCategory) {

        log.debug("On update default subCategory");

        List<SubCategory> subCategories = subCategoryDAO.findByDefaultId(subCategory.getId());

        boolean changed = false;

        for(SubCategory subCategoryBasedOnDefault : subCategories) {

            if(subCategory.getName() != null && !subCategory.getName().equals(subCategoryBasedOnDefault.getName())) {

                changed = true;

            }

            if(subCategory.getDescription() != null && !subCategory.getDescription().equals(subCategoryBasedOnDefault.getDescription())) {

                changed = true;

            }

            if(!changed) {

                break;

            }

            subCategoryBasedOnDefault.setName(subCategory.getName());

            subCategoryBasedOnDefault.setDescription(subCategory.getDescription());

            subCategoryDAO.save(subCategoryBasedOnDefault);

        }

    }

    @RequestMapping(value = "/{stakeholderId}/{topicId}/{categoryId}/{subcategoryId}/delete", method = RequestMethod.DELETE)

    public boolean deleteSubCategory(@PathVariable("stakeholderId") String stakeholderId,

                                     @PathVariable("topicId") String topicId,

                                     @PathVariable("categoryId") String categoryId,

                                     @PathVariable("subcategoryId") String subcategoryId) {

        log.debug("delete subcategory");

        log.debug("Id: "+subcategoryId + " - Stakeholder: "+stakeholderId + " - Topic: "+topicId + " - Category: "+categoryId);

        Category category = checkForExceptions(stakeholderId, topicId, categoryId);

        SubCategory<String> subcategory = subCategoryDAO.findById(subcategoryId);

        if(subcategory != null) {

            List<String> subcategories = category.getSubCategories();

            int index = subcategories.indexOf(subcategoryId);

            if(index != -1) {

                for(String chartSectionId : subcategory.getCharts()) {

                    Section<String> chartSection = sectionDAO.findById(chartSectionId);

                    if (chartSection == null) {

                        // EXCEPTION - Section not found

                        throw new EntityNotFoundException("Delete SubCategory: Section with id: "+chartSectionId+" not found (section exists in subcategory: "+subcategoryId+")");

                    }

                    for (String chartId : chartSection.getIndicators()) {

                        indicatorDAO.delete(chartId);

                    }

                    subcategory.setCharts(null);

                    sectionDAO.delete(chartSectionId);

                }

                for(String numberSectionId : subcategory.getNumbers()) {

                    Section<String> numberSection = sectionDAO.findById(numberSectionId);

                    if (numberSection == null) {

                        // EXCEPTION - Section not found

                        throw new EntityNotFoundException("Delete SubCategory: Section with id: "+numberSectionId+" not found (section exists in subcategory: "+subcategoryId+")");

                    }

                    for (String numberId : numberSection.getIndicators()) {

                        indicatorDAO.delete(numberId);

                    }

                    subcategory.setNumbers(null);

                    sectionDAO.delete(numberSectionId);

                }

                subcategories.remove(index);

                categoryDAO.save(category);

                subCategoryDAO.delete(subcategoryId);

                log.debug("Subcategory deleted!");

            } else {

                // EXCEPTION - SubCategory not found in Stakeholder: stakeholder.getAlias(); -> Topic: topic.getAlias(); -> Category: category.getAlias();

                throw new PathNotValidException("Delete subcategory: Subcategory with id: "+subcategoryId+" not found in Category: "+categoryId);

            }

        } else {

            // EXCEPTION - SubCategory not found

            throw new EntityNotFoundException("Delete subcategory: SubCategory with id: "+subcategoryId+" not found");

        }

        return true;

    }

    @RequestMapping(value = "/{stakeholderId}/{topicId}/{categoryId}/{subcategoryId}/toggle-status", method = RequestMethod.POST)

    public Boolean toggleSubCategoryStatus(@PathVariable("stakeholderId") String stakeholderId,

                                           @PathVariable("topicId") String topicId,

                                           @PathVariable("categoryId") String categoryId,

                                           @PathVariable("subcategoryId") String subcategoryId) {

        log.debug("toggle subCategory status (isActive)");

        log.debug("Stakeholder: "+stakeholderId + " - Topic: "+topicId + " - Category: "+categoryId+ " - SubCategory: "+subcategoryId);

        SubCategory subCategory = subCategoryDAO.findById(subcategoryId);

        if (subCategory == null) {

            // EXCEPTION - SubCategory not found

            throw new EntityNotFoundException("Toggle subCategory status: SubCategory with id: "+subcategoryId+" not found");

        }

        subCategory.setIsActive(!subCategory.getIsActive());

        this.toggleSubCategory(stakeholderId, topicId, categoryId, subCategory);

        return subCategory.getIsActive();

    }

    @RequestMapping(value = "/{stakeholderId}/{topicId}/{categoryId}/{subcategoryId}/toggle-access", method = RequestMethod.POST)

    public Boolean toggleSubCategoryAccess(@PathVariable("stakeholderId") String stakeholderId,

                                           @PathVariable("topicId") String topicId,

                                           @PathVariable("categoryId") String categoryId,

                                           @PathVariable("subcategoryId") String subcategoryId) {

        log.debug("toggle subCategory access (isPublic)");

        log.debug("Stakeholder: "+stakeholderId + " - Topic: "+topicId + " - Category: "+categoryId+ " - SubCategory: "+subcategoryId);

        SubCategory subCategory = subCategoryDAO.findById(subcategoryId);

        if (subCategory == null) {

            // EXCEPTION - SubCategory not found

            throw new EntityNotFoundException("Toggle subCategory access: SubCategory with id: "+subcategoryId+" not found");

        }

        subCategory.setIsPublic(!subCategory.getIsPublic());

        this.toggleSubCategory(stakeholderId, topicId, categoryId, subCategory);

        return subCategory.getIsPublic();

    }

    public void toggleSubCategory(String stakeholderId, String topicId, String categoryId, SubCategory subcategory) {

        Category category = checkForExceptions(stakeholderId, topicId, categoryId);

        if (category.getSubCategories().contains(subcategory.getId())) {

            subCategoryDAO.save(subcategory);

            log.debug("SubCategory toggled!");

        } else {

            // EXCEPTION - SubCategory not found in Stakeholder: stakeholder.getAlias(); -> Topic: topic.getAlias(); -> Category: category.getAlias();

            throw new PathNotValidException("Toggle subCategory: SubCategory with id: "+subcategory.getId()+" not found in Category: "+categoryId);

        }

    }

    private Category checkForExceptions(String stakeholderId, String topicId, String categoryId) {

        Stakeholder<String> stakeholder = stakeholderDAO.findById(stakeholderId);

        if(stakeholder == null) {

            // EXCEPTION - Stakeholder not found

            throw new EntityNotFoundException("Save indicator: Stakeholder with id: " + stakeholderId + " not found");

        }

        Topic<String> topic = topicDAO.findById(topicId);

        if(topic == null) {

            // EXCEPTION - Topic not found

            throw new EntityNotFoundException("Save indicator: Topic with id: "+topicId+" not found");

        }

        if(!stakeholder.getTopics().contains(topicId)) {

            // EXCEPTION - Topic not found in Stakeholder: stakeholder.getAlias();

            throw new PathNotValidException("Save indicator: Topic with id: " + topicId + " not found in Stakeholder: " + stakeholderId);

        }

        Category<String> category = categoryDAO.findById(categoryId);

        if(category == null) {

            // EXCEPTION - Category not found

            throw new EntityNotFoundException("Save indicator: Category with id: "+categoryId+" not found");

        }

        if(!topic.getCategories().contains(categoryId)) {

            // EXCEPTION - Category not found in Stakeholder: stakeholder.getAlias(); -> Topic: topic.getAlias();

            throw new PathNotValidException("Save indicator: Category with id: "+categoryId+" not found in Topic: "+topicId);

        }

//        SubCategory<String> subcategory = subCategoryDAO.findById(subcategoryId);

//        if(subcategory == null) {

//            // EXCEPTION - SubCategory not found

//            throw new EntityNotFoundException("Save indicator: SubCategory with id: "+subcategoryId+" not found");

//        }

//

//        if (!category.getSubCategories().contains(subcategoryId)) {

//            // EXCEPTION - SubCategory not found in Stakeholder: stakeholder.getAlias(); -> Topic: topic.getAlias(); -> Category: category.getAlias();

//            throw new PathNotValidException("Save indicator: SubCategory with id: "+subcategoryId+" not found in Category: "+categoryId);

//        }

        return  category;

    }

}