package log

import (
	"arimelody-web/model"
	repository "arimelody-web/repository/log"
	"arimelody-web/errors"
	"fmt"
	"log"
	"time"
)

type LogService struct {
    repo repository.LogRepository
    log *log.Logger
}

func NewLogService(repo repository.LogRepository, logger *log.Logger) *LogService {
    return &LogService{
        repo: repo,
        log: logger,
    }
}

const DEFAULT_LOG_PAGE_LENGTH = 25

func (s *LogService) Info(logType string, format string, args ...any) {
    logString := fmt.Sprintf(format, args...)

    s.log.Printf("[%s] [%s] INFO: %s\n", time.Now().Format(time.UnixDate), logType, logString)

    if err := s.repo.Create(model.LEVEL_INFO, logType, logString); err != nil {
        log.Printf("WARN: Failed to push log to database: %v\n", err)
    }
}

func (s *LogService) Warn(logType string, format string, args ...any) {
    logString := fmt.Sprintf(format, args...)

    log.Printf("[%s] [%s] WARN: %s\n", time.Now().Format(time.UnixDate), logType, logString)

    if err := s.repo.Create(model.LEVEL_INFO, logType, logString); err != nil {
        log.Printf("WARN: Failed to push log to database: %v\n", err)
    }
}

func (s *LogService) Fetch(id string) (*model.Log, error) {
    log, err := s.repo.Get(id)
    if err != nil { return nil, err }
    if log == nil { return nil, errors.NewNotExistError("Log does not exist") }
    return log, nil
}

func (s *LogService) Search(
    levelFilters []model.LogLevel,
    typeFilters []string,
    content string,
    limit int,
    offset int,
) ([]*model.Log, error) {
    return s.repo.Search(levelFilters, typeFilters, content, limit, offset)
}