import { WORLDMAP_TYPES, type OasisType, type RegionType } from "./types";
import { assert, getUnitSource } from "./utils";
import type { VillageState } from "./village";


export function resolveMission(V: VillageState, region: RegionType) {
    assert(region.type === WORLDMAP_TYPES.OASIS);

    const mission = region.state.mission;
    if (!mission) {
        return;
    }

    switch (mission.type) {
        case 'pillage':
            if (region.type === WORLDMAP_TYPES.OASIS) {
                resolvePillageOasis(V, region);
            }
            break;
        default:
            throw new Error(`Unknown mission type: "${ mission.type }"`);
    }

    if (mission.repeat) {
        mission.remainingTime = 1 * 10 * 1000;
    }
    else {
        delete region.state.mission;
    }
}


function resolvePillageOasis(V: VillageState, region: OasisType) {
    const mission = region.state.mission;
    if (!mission) {
        return;
    }

    const unit = getUnitSource('soldier');

    V.resources[region.resource] += mission.unitCount * unit.behavior.caryingCapacity;
}