package com.mattrixwv.raidbuilder.service;


import java.time.ZonedDateTime;
import java.util.List;
import java.util.UUID;

import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Sort;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.mattrixwv.raidbuilder.entity.RaidInstance;
import com.mattrixwv.raidbuilder.repository.raid_instance.RaidInstanceRepository;

import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;


@Slf4j
@Service
@Transactional(rollbackFor = Exception.class)
@RequiredArgsConstructor
public class RaidInstanceService{
	private final RaidInstanceRepository raidInstanceRepository;
	private final RaidInstancePersonCharacterXrefService ripcXrefService;


	//Write
	public RaidInstance createRaidInstance(RaidInstance raidInstance){
		return raidInstanceRepository.save(raidInstance);
	}

	public RaidInstance updateRaidInstance(RaidInstance raidInstance){
		RaidInstance existingRaidInstance = raidInstanceRepository.findById(raidInstance.getRaidInstanceId()).orElseThrow();
		raidInstance.setCreatedBy(existingRaidInstance.getCreatedBy());
		raidInstance.setCreatedDate(existingRaidInstance.getCreatedDate());

		return raidInstanceRepository.save(raidInstance);
	}

	public void deleteById(UUID raidInstanceId){
		ripcXrefService.deleteByRaidInstanceId(raidInstanceId);
		raidInstanceRepository.deleteById(raidInstanceId);
	}

	public void deleteByRaidGroupId(UUID raidGroupId){
		List<RaidInstance> raidInstances = raidInstanceRepository.findAllByRaidGroupId(raidGroupId);
		ripcXrefService.deleteByRaidInstanceIds(raidInstances.stream().map(RaidInstance::getRaidInstanceId).toList());

		raidInstanceRepository.deleteAllByRaidGroupId(raidGroupId);
	}

	public void deleteByRaidGroupIds(Iterable<UUID> raidGroupIds){
		List<RaidInstance> raidInstances = raidInstanceRepository.findAllByRaidGroupIdIn(raidGroupIds);
		ripcXrefService.deleteByRaidInstanceIds(raidInstances.stream().map(RaidInstance::getRaidInstanceId).toList());

		raidInstanceRepository.deleteAllByRaidGroupIdIn(raidGroupIds);
	}

	public void deleteByRaidLayoutId(UUID raidLayoutId){
		raidInstanceRepository.clearRaidLayoutId(raidLayoutId);
	}

	public void deleteByRaidLayoutIds(Iterable<UUID> raidLayoutIds){
		raidInstanceRepository.clearRaidLayoutIdIn(raidLayoutIds);
	}


	//Read
	public RaidInstance findById(UUID raidInstanceId){
		return raidInstanceRepository.findById(raidInstanceId).orElse(null);
	}

	public List<RaidInstance> findAllByRaidGroupId(UUID raidGroupId){
		return raidInstanceRepository.findAllByRaidGroupId(raidGroupId);
	}

	public List<RaidInstance> findAllByRaidGroupId(UUID raidGroupId, int page, int pageSize){
		return raidInstanceRepository.findAllByRaidGroupId(raidGroupId, PageRequest.of(page, pageSize, Sort.by("raidInstanceName").ascending()));
	}

	public List<RaidInstance> findAllByRaidGroupId(UUID raidGroupId, int page, int pageSize, String searchTerm){
		return raidInstanceRepository.findAllByRaidGroupIdAndRaidInstanceNameContainingIgnoreCase(raidGroupId, searchTerm, PageRequest.of(page, pageSize, Sort.by("raidInstanceName").ascending()));
	}

	public List<RaidInstance> findAllByRaidGroupIdAndEndDate(UUID raidGroupId, ZonedDateTime endDate, int page, int pageSize){
		return raidInstanceRepository.findAllByRaidGroupIdAndRaidEndDateAfter(raidGroupId, endDate, PageRequest.of(page, pageSize, Sort.by("raidEndDate").descending()));
	}

	public List<RaidInstance> findAllByRaidGroupIdAndEndDate(UUID raidGroupId, ZonedDateTime endDate, int page, int pageSize, String searchTerm){
		return raidInstanceRepository.findAllByRaidGroupIdAndRaidEndDateAfterAndRaidInstanceNameContainingIgnoreCase(raidGroupId, endDate, searchTerm, PageRequest.of(page, pageSize, Sort.by("raidEndDate").descending()));
	}

	public long countByRaidGroupId(UUID raidGroupId){
		return raidInstanceRepository.countByRaidGroupId(raidGroupId);
	}

	public long countByRaidGroupId(UUID raidGroupId, String searchTerm){
		return raidInstanceRepository.countByRaidGroupIdAndRaidInstanceNameContainingIgnoreCase(raidGroupId, searchTerm);
	}

	public long countByRaidGroupIdAndEndDate(UUID raidGroupId, ZonedDateTime endDate){
		return raidInstanceRepository.countByRaidGroupIdAndRaidEndDateAfter(raidGroupId, endDate);
	}

	public long countByRaidGroupIdAndEndDate(UUID raidGroupId, ZonedDateTime endDate, String searchTerm){
		return raidInstanceRepository.countByRaidGroupIdAndRaidEndDateAfterAndRaidInstanceNameContainingIgnoreCase(raidGroupId, endDate, searchTerm);
	}
}