package com.nttdata.calender.presets;

import java.util.ArrayList;
import java.util.List;

import com.bmc.arsys.api.ARException;
import com.bmc.arsys.api.Entry;
import com.bmc.arsys.api.Value;
import com.bmc.thirdparty.org.springframework.beans.factory.annotation.Autowired;
import com.nttdata.calender.api.Query;
import com.nttdata.calender.api.RemedyJavaAPI;
import com.nttdata.calender.errorhandling.ErrorTypes.NotFoundError;

public class Presets {
        private final static String formName = "ASF:CHG_CAL_UserPreferencesJoinFilterDefinitions";
        private final static String formDefault = "ASF:CHG_CAL_FilterDefinitions";
        private final static String formUserPref = "ASF:CHG_CAL_UserPreferences";
        private Query query;
        private Query defQuery;
        private Query prefQuery;
        private RemedyJavaAPI api;
        private List<Preset> presets;

        @Autowired
        public Presets(RemedyJavaAPI api) throws ARException, NotFoundError {
                this.api = api;

                this.query = new Query.QueryBuilder(formName)
                                .addFieldId("RequestId", 6)
                                .addFieldId("InstanceId", 179)
                                .addFieldId("Status", 7)
                                .addFieldId("GUID", 364000001) // current active preset
                                .addFieldId("Details", 364000002)
                                .addFieldId("View", 364000003)
                                .addFieldId("Language", 364000004)
                                .addFieldId("Submitter", 2)
                                .addFieldId("Name", 364200001)
                                .addFieldId("Definition", 364200002)
                                .build();

                this.defQuery = new Query.QueryBuilder(formDefault)
                                .addFieldId("Name", 364000001)
                                .addFieldId("Definition", 364000002)
                                .addFieldId("isSystemDefault", 364000004)
                                .addFieldId("isGlobal", 364000003)
                                .addFieldId("InstanceId", 179)
                                .build();

                this.prefQuery = new Query.QueryBuilder(formUserPref)
                                .addFieldId("GUID", 364000001)
                                .addFieldId("Details", 364000002)
                                .addFieldId("View", 364000003)
                                .addFieldId("Language", 364000004)
                                .build();

                this.presets = new ArrayList<>();
                api.impersonateUser("ext_StanzPa");
        }

        public Object initPresets() throws ARException, NotFoundError {
                PresetsGetResponse response = new PresetsGetResponse();

                // gets the userPreferences from the logged in user
                List<Entry> entries = api.queryFieldsById("\'2\'==\"" + api.getUser() + "\"", prefQuery.getFieldIds(),
                                formUserPref,
                                null,
                                0, 0);

                // systemdefault filter definition
                var sysdef = api.queryFieldsById("\'364000001\'==\"Systemdefault\"", defQuery.getFieldIds(),
                                formDefault, null, 0, 0).get(0);
                String sysdefGUID = sysdef.get(defQuery.getFieldId("InstanceId")).toString();

                // if there are is no userPreference, return Filter Definition ???
                if (entries.isEmpty() || entries == null) {
                        return new Preset(sysdef.get(defQuery.getFieldId("InstanceId")).toString(),
                                        sysdef.get(defQuery.getFieldId("Name")).toString(),
                                        sysdef.get(defQuery.getFieldId("Definition")).toString(), "Admin");
                } else { // if there is a userPreference, loop through filter defs (presets of this user)
                        allPresets();
                        response.setPresets(presets); // return all filter defs (presets of this user)
                        response.setSelectedPreset(entries.get(0).get(prefQuery.getFieldId("GUID")).toString()); // return
                                                                                                                 // selected
                                                                                                                 // preset
                                                                                                                 // (GUID)

                        // if guid of user preference is empty, put systemdefault guid inside
                        if (response.getSelectedPreset().isBlank() || response.getSelectedPreset() == null) {
                                var queryP = new Query.QueryBuilder(formUserPref)
                                                .addFieldValue("GUID", 364000001, new Value(sysdefGUID)).build();

                                var pref = api.queryFieldsById("\'2\'==\"" + api.getUser() + "\"", queryP.getFieldIds(), formUserPref, null, 0, 0);
                                api.modifyEntry(pref.get(0).getEntryId(), queryP);

                                response.setSelectedPreset(sysdefGUID);
                        }

                        response.setUserPreferences(
                                        new UserPreferences(
                                                        entries.get(0).get(prefQuery.getFieldId("Details")).toString(),
                                                        entries.get(0).get(prefQuery.getFieldId("View")).toString(),
                                                        entries.get(0).get(prefQuery.getFieldId("Language"))
                                                                        .toString()));
                }
                return response;

        }

        public void savePreset(Preset request) throws ARException, NotFoundError {
                var saveQuery = new Query.QueryBuilder(formDefault)
                                .addFieldValue("FilterPresetName", 364000001, new Value(request.getName()))
                                .addFieldValue("FilterPresetDefinition", 364000002, new Value(request.getDefinition()))
                                .build();

                api.createEntry(saveQuery);
        }

        public boolean selectPreset(SelectPresetRequest guid) throws ARException {
                var queryP = new Query.QueryBuilder(formUserPref)
                                .addFieldValue("GUID", 364000001, new Value(guid.getGuid())).build();

                var pref = api.queryFieldsById("\'2\'==\"" + api.getUser() + "\"", queryP.getFieldIds(), formUserPref,
                                null, 0,
                                0);

                System.out.println(pref);

                if (pref.isEmpty() || pref == null)
                        return false;

                api.modifyEntry(pref.get(0).getEntryId(), queryP);
                return true;
        }

        public void updatePreset(UpdatePresetRequest request) throws ARException {
                var queryPresets = new Query.QueryBuilder(formDefault)
                                .addFieldValue("Definition", 364000002, new Value(request.getDefinition())).build();
                var preset = api.queryFieldsById("\'179\'==\"" + request.getId() + "\"",
                                queryPresets.getFieldIds(), formDefault, null, 0, 0).get(0);

                api.modifyEntry(preset.getEntryId(), queryPresets);
        }

        public void renamePreset(RenamePresetRequest request) throws ARException {

                var queryPresets = new Query.QueryBuilder(formDefault)
                                .addFieldValue("Name", 364000001, new Value(request.getNewName())).build();
                var preset = api.queryFieldsById("\'179\'==\"" + request.getId() + "\"",
                                queryPresets.getFieldIds(), formDefault, null, 0, 0).get(0);

                api.modifyEntry(preset.getEntryId(), queryPresets);
        }

        public String editUserPreferences(EditUserPreferencesRequest request) throws ARException {
                var queryUserPreferences = new Query.QueryBuilder(formUserPref)
                                .addFieldValue("Details", 364000002, new Value(request.getDetails()))
                                .addFieldValue("View", 364000003, new Value(request.getView()))
                                .addFieldValue("Language", 364000004, new Value(request.getLanguage()))
                                .build();

                var preferences = api.queryFieldsById("\'2\'==\"ext_GedikSa\"", queryUserPreferences.getFieldIds(),
                                formUserPref, null, 0, 0).get(0);

                // bei falschen input parameter
                if (preferences.isEmpty() || preferences == null)
                        return "Error";
                api.modifyEntry(preferences.getEntryId(), queryUserPreferences);
                return "Success";
        }

        public void allPresets() throws ARException, NotFoundError {
                var entries = api.queryFieldsById("\'2\'==\"" + api.getUser() + "\"", defQuery.getFieldIds(),
                                formDefault,
                                null, 0,
                                0);

                if (entries.isEmpty() || entries == null) {
                        throw new NotFoundError("No presets found in this context");
                } else {
                        for (var v : entries) {
                                presets.add(new Preset(v.get(defQuery.getFieldId("InstanceId")).toString(),
                                                v.get(defQuery.getFieldId("Name")).toString(),
                                                v.get(defQuery.getFieldId("Definition")).toString(),
                                                ""));
                        }
                }
        }

        public void deletePreset(DeletePresetRequest request) throws ARException {
                var entries = api.queryFieldsById("\'179\'==\"" + request.getId() + "\"", null, formDefault, null, 0, 0)
                                .get(0);
                api.deleteEntry(formDefault, entries.getEntryId());
        }

        public List<Preset> getAll() throws NotFoundError, ARException {
                allPresets();
                return this.presets;
        }

}