erDiagram
    MONSTERS {
        id int  
        origin_id int
        base_exp int
        height int
        weight int 
        avatar string
        types text
        stats text
        skills text 
        created_at int
        updated_at int
    }
    
    BATTLES {
        id int
        started_at int
        ended_at int
    }
    PLAYERS {
        id int
        battle_id int
        monster_id int
        eliminated_at int 
        annulled_at int
        rank int
        point int
    }
    LOGS {
        id int
        battle_id int
        description string
        created_at int
    }
    
    BATTLES }|--|{ PLAYERS : m2m
    BATTLES ||--|{ LOGS : o2m
    MONSTERS }|--|{ PLAYERS : m2m

   sequenceDiagram
        participant DELIVERY
        participant SERVICE
        participant SQL_REPOSITORY
        participant REST_REPOSITORY
        par Data Flow
            DELIVERY->>+SERVICE: ...args
        and
            SERVICE->>+REST_REPOSITORY: http call
        and
            SERVICE->>+SQL_REPOSITORY: sql query
        end 
   
     
        REST_REPOSITORY-->>-SERVICE: data
        Note over REST_REPOSITORY,SERVICE: raw data `transformed` from remote data source
   
        SQL_REPOSITORY-->>-SERVICE: data
        Note over SQL_REPOSITORY,SERVICE: raw data from local data source
        
        SERVICE-->>-DELIVERY: data
        Note over SERVICE,DELIVERY: formatted data