import { combineReducers } from 'redux'
import { SET_MAP_DIMENSIONS, SET_MAP_POSITION, SET_MAP_SCALE } from '../actions/map'

export function position(state = { x: 0, y: 0 }, action) {
    switch (action.type) {
        case SET_MAP_POSITION:
            return { x: action.x, y: action.y }
        default:
            return state
    }
}

export function dimensions(state = { width: 600, height: 400 }, action) {
    switch (action.type) {
        case SET_MAP_DIMENSIONS:
            return { width: action.width, height: action.height }
        default:
            return state
    }
}

export function scale(state = 1, action) {
    switch (action.type) {
        case SET_MAP_SCALE:
            return action.scale
        default:
            return state
    }
}

export const map = combineReducers({
    position,
    dimensions,
    scale,
})