const walkable = {
    walk(){       
        eventSender.emitEvent(events[0], {
            name: this.name, id: this.id, type: this.type
        })
    },
}

const sleepable = {
    sleep(){
        eventSender.emitEvent(events[1] , {
            name: this.name, id: this.id, type: this.type
        })
    }
}

const flyable = {
    fly(){       
        eventSender.emitEvent(events[2] , {
            name: this.name, id: this.id, type: this.type
        })
    },
}

const logable = {
    log(event, agent){
        console.log(`
        event: ${event.name};
        event_id: ${event.id};
        agent: ${agent.name};
        agent_id: ${agent.id};
        agent_type: ${agent.type};
        `)
    }
}

const Event = {
    findEvent(id){
        return events[id]
    }
}

const Agent = {
    find(id){
        return agents[id]
    },
}

const eventSender = Object.assign({      
    emitEvent(event , agent){
       this.log(event , agent)
    }
}, logable);

const Person = Object.assign({
    find(id){
        let agent = Agent.find(id)
        if(agent.type === 'person')
        return agent
    }
}, walkable)

const Dog = Object.assign({} , walkable, sleepable)

const Cat = Object.assign({       
    find(id){
        let agent = Agent.find(id);
        if(agent.type === 'cat')
        return agent
    } 
}, walkable, flyable, sleepable)

const makePerson = function (obj = {}){
    return Object.assign({
        name: obj.name,
        id: obj.id,
        type: "person"
    }, Person, sleepable)
}

const makeCat = function(obj = {}){
    return Object.assign({        
        name : obj.name,
        id : obj.id,
        type : "cat"
    }, Cat)
} 

function makeDog(obj = {}){      
    return Object.assign({
        name: obj.name,
        id: obj.id,
        type: "dog"
    }, Dog, flyable)
    
}

events = [
    {id: 0, name: "walk"},
    {id: 1, name: "sleep"},
    {id: 1, name: "fly"},
]

agents = [
    {id: 0, name: "Escureto", type: "cat"},
    {id: 1, name: "Digous", type: 'cat'},
    {id: 2, name: "Atila Silva", type: 'person'} 
]