///<reference path="../../../src/types/core.d.ts" />
'use strict';

(function () {
    function removeMaps(fromId, toId, force) {
        toId = toId || fromId;
        var fromIndex = core.floorIds.indexOf(fromId),
            toIndex = core.floorIds.indexOf(toId);
        if (toIndex < 0) toIndex = core.floorIds.length - 1;
        flags.__visited__ = flags.__visited__ || {};
        flags.__removed__ = flags.__removed__ || [];
        flags.__disabled__ = flags.__disabled__ || {};
        flags.__leaveLoc__ = flags.__leaveLoc__ || {};
        flags.__forceDelete__ ??= {};
        let deleted = false;
        for (var i = fromIndex; i <= toIndex; ++i) {
            var floorId = core.floorIds[i];
            if (core.status.maps[floorId].deleted) continue;
            delete flags.__visited__[floorId];
            flags.__removed__.push(floorId);
            delete flags.__disabled__[floorId];
            delete flags.__leaveLoc__[floorId];
            (core.status.autoEvents || []).forEach(event => {
                if (event.floorId == floorId && event.currentFloor) {
                    core.autoEventExecuting(event.symbol, false);
                    core.autoEventExecuted(event.symbol, false);
                }
            });
            core.status.maps[floorId].deleted = true;
            core.status.maps[floorId].canFlyTo = false;
            core.status.maps[floorId].canFlyFrom = false;
            core.status.maps[floorId].cannotViewMap = true;
            if (force) {
                core.status.maps[floorId].forceDelete = true;
                flags.__forceDelete__[floorId] = true;
            }
            deleteFlags(floorId);
            deleted = true;
        }
        if (deleted && !main.replayChecking) {
            core.splitArea();
        }
    }

    function deleteFlags(floorId) {
        delete flags[`jump_${floorId}`];
        delete flags[`inte_${floorId}`];
        delete flags[`loop_${floorId}`];
        delete flags[`melt_${floorId}`];
        delete flags[`night_${floorId}`];
    }

    // 恢复楼层
    // core.plugin.removeMap.resumeMaps("MT1", "MT300") 恢复MT1~MT300之间的全部层
    // core.plugin.removeMap.resumeMaps("MT10") 只恢复MT10层
    function resumeMaps(fromId, toId) {
        toId = toId || fromId;
        var fromIndex = core.floorIds.indexOf(fromId),
            toIndex = core.floorIds.indexOf(toId);
        if (toIndex < 0) toIndex = core.floorIds.length - 1;
        flags.__removed__ = flags.__removed__ || [];
        for (var i = fromIndex; i <= toIndex; ++i) {
            var floorId = core.floorIds[i];
            if (!core.status.maps[floorId].deleted) continue;
            if (
                core.status.maps[floorId].forceDelete ||
                flags.__forceDelete__[floorId]
            )
                continue;
            flags.__removed__ = flags.__removed__.filter(f => {
                return f != floorId;
            });
            core.status.maps[floorId] = core.loadFloor(floorId);
        }
    }

    // 分区砍层相关
    var inAnyPartition = floorId => {
        var inPartition = false;
        (core.floorPartitions || []).forEach(floor => {
            var fromIndex = core.floorIds.indexOf(floor[0]);
            var toIndex = core.floorIds.indexOf(floor[1]);
            var index = core.floorIds.indexOf(floorId);
            if (fromIndex < 0 || index < 0) return;
            if (toIndex < 0) toIndex = core.floorIds.length - 1;
            if (index >= fromIndex && index <= toIndex) inPartition = true;
        });
        return inPartition;
    };

    // 分区砍层
    function autoRemoveMaps(floorId) {
        if (main.mode != 'play' || !inAnyPartition(floorId)) return;
        // 根据分区信息自动砍层与恢复
        (core.floorPartitions || []).forEach(floor => {
            var fromIndex = core.floorIds.indexOf(floor[0]);
            var toIndex = core.floorIds.indexOf(floor[1]);
            var index = core.floorIds.indexOf(floorId);
            if (fromIndex < 0 || index < 0) return;
            if (toIndex < 0) toIndex = core.floorIds.length - 1;
            if (index >= fromIndex && index <= toIndex) {
                core.plugin.removeMap.resumeMaps(
                    core.floorIds[fromIndex],
                    core.floorIds[toIndex]
                );
            } else {
                removeMaps(core.floorIds[fromIndex], core.floorIds[toIndex]);
            }
        });
    }

    core.plugin.removeMap = {
        removeMaps,
        deleteFlags,
        resumeMaps,
        autoRemoveMaps
    };
})();