package data

import (
	"f1-game/internal/extend/math"
	"slices"
)

// 获取当前使用的签到库ID
// round 如果只有两个库，每个库签到上限是30天，当前开服95天 那么round为4 第二个库签到第5天(如果签到库用完还没结束，继续循环用最后一个库)
func (p *signInConfig) GetCurrentPoolID(openDays int32) (int32, int32) {
	var (
		curPoolID = int32(1)
		round     = int32(0)
		cumDays   = int32(0)
	)

	// 获取所有 PoolID 并排序
	poolIDs := make([]int32, 0, len(p.poolIDListMaps))
	for poolID := range p.poolIDListMaps {
		poolIDs = append(poolIDs, poolID)
	}

	slices.Sort(poolIDs)

	// 按顺序遍历
	for _, poolID := range poolIDs {
		rows := p.poolIDListMaps[poolID]
		cumDays += int32(len(rows))
		round++

		if openDays <= cumDays {
			return round, poolID
		}

		curPoolID = math.Max(curPoolID, poolID)
	}

	if openDays > cumDays {
		row := p.poolIDListMaps[curPoolID]
		round += (openDays - cumDays) / int32(len(row))
	}

	// 如果是最后一个则返回最大的库ID
	return round, curPoolID
}

// 获取当前签到天数
func (p *signInConfig) GetCurrenSignInDays(openDays int32) int32 {
	maxPoolID := int32(0)
	for poolID, rows := range p.poolIDListMaps {
		maxPoolID = math.Max(maxPoolID, poolID)
		totalDays := int32(len(rows))
		if openDays <= totalDays {
			return openDays
		}

		if openDays <= 0 {
			return 0
		}

		openDays -= totalDays
	}

	// 可能是最后一期循环
	maxPoolRow, found := p.poolIDListMaps[maxPoolID]
	if !found {
		return 0
	}

	return openDays % int32(len(maxPoolRow))
}