import { getDatacenterIdOfTick } from '../../util/timeline'
import { setCurrentDatacenter } from '../topology/building'

export const GO_TO_TICK = 'GO_TO_TICK'
export const SET_LAST_SIMULATED_TICK = 'SET_LAST_SIMULATED_TICK'

export function incrementTick() {
    return (dispatch, getState) => {
        const { currentTick } = getState()
        dispatch(goToTick(currentTick + 1))
    }
}

export function goToTick(tick) {
    return (dispatch, getState) => {
        const state = getState()

        let sections = []
        if (state.currentExperimentId !== -1) {
            const sectionIds =
                state.objects.path[
                    state.objects.experiment[state.currentExperimentId].pathId
                    ].sectionIds

            if (sectionIds) {
                sections = sectionIds.map(
                    sectionId => state.objects.section[sectionId],
                )
            }
        }

        const newDatacenterId = getDatacenterIdOfTick(tick, sections)
        if (state.currentDatacenterId !== newDatacenterId) {
            dispatch(setCurrentDatacenter(newDatacenterId))
        }

        dispatch({
            type: GO_TO_TICK,
            tick,
        })
    }
}

export function setLastSimulatedTick(tick) {
    return {
        type: SET_LAST_SIMULATED_TICK,
        tick,
    }
}