package sysin

import (
	"context"
	"hotgo/internal/model/input/form"
	"strconv"
	"strings"

	"github.com/gogf/gf/v2/errors/gerror"
	"github.com/gogf/gf/v2/os/gtime"
)

type ImInviteListInp struct {
	form.PageReq
	TenantId       int64         `json:"tenantId"       dc:"IM租户ID"`
	InviteCode     string        `json:"inviteCode"     dc:"完整邀请码"`
	Status         string        `json:"status"         dc:"状态"`
	BatchId        string        `json:"batchId"        dc:"批次ID"`
	CreatedBy      string        `json:"createdBy"      dc:"创建人"`
	CreatedAtStart *gtime.Time   `json:"createdAtStart" dc:"创建开始时间"`
	CreatedAtEnd   *gtime.Time   `json:"createdAtEnd"   dc:"创建结束时间"`
	ExpiresAtStart *gtime.Time   `json:"expiresAtStart" dc:"过期开始时间"`
	ExpiresAtEnd   *gtime.Time   `json:"expiresAtEnd"   dc:"过期结束时间"`
	CreatedAt      []*gtime.Time `json:"createdAt"      dc:"创建时间"`
	ExpiresAt      []*gtime.Time `json:"expiresAt"      dc:"到期时间"`
}

func (in *ImInviteListInp) Filter(ctx context.Context) (err error) {
	if in.Page <= 0 {
		in.Page = 1
	}
	if in.PerPage <= 0 {
		in.PerPage = 20
	}
	if in.PerPage > 100 {
		return gerror.New("每页数量最大值不能大于100")
	}
	if in.InviteCode != "" && len(in.InviteCode) != 5 {
		return gerror.New("邀请码必须为完整5位")
	}
	if len(in.CreatedAt) == 2 {
		in.CreatedAtStart = in.CreatedAt[0]
		in.CreatedAtEnd = in.CreatedAt[1]
	}
	if len(in.ExpiresAt) == 2 {
		in.ExpiresAtStart = in.ExpiresAt[0]
		in.ExpiresAtEnd = in.ExpiresAt[1]
	}
	return
}

type ImInviteCreateInp struct {
	TenantId       int64       `json:"tenantId"       dc:"IM租户ID"`
	ExpiresAt      *gtime.Time `json:"expiresAt"      v:"required#到期时间不能为空" dc:"到期时间"`
	Remark         string      `json:"remark"         dc:"备注"`
	IdempotencyKey string      `json:"idempotencyKey" dc:"幂等键"`
}

func (in *ImInviteCreateInp) Filter(ctx context.Context) (err error) {
	in.IdempotencyKey = strings.TrimSpace(in.IdempotencyKey)
	if in.ExpiresAt == nil || in.ExpiresAt.Before(gtime.Now()) {
		return gerror.New("到期时间必须晚于当前时间")
	}
	if len(in.Remark) > 255 {
		return gerror.New("备注不能超过255个字符")
	}
	if len(in.IdempotencyKey) > 128 {
		return gerror.New("幂等键不能超过128个字符")
	}
	return
}

type ImInviteBatchCreateInp struct {
	TenantId       int64       `json:"tenantId"       dc:"IM租户ID"`
	Quantity       int         `json:"quantity"       dc:"数量"`
	ExpiresAt      *gtime.Time `json:"expiresAt"      v:"required#到期时间不能为空" dc:"到期时间"`
	Remark         string      `json:"remark"         dc:"备注"`
	IdempotencyKey string      `json:"idempotencyKey" dc:"幂等键"`
}

func (in *ImInviteBatchCreateInp) Filter(ctx context.Context) (err error) {
	in.IdempotencyKey = strings.TrimSpace(in.IdempotencyKey)
	if in.Quantity < 1 || in.Quantity > 1000 {
		return gerror.New("批量生成数量必须在1到1000之间")
	}
	if in.ExpiresAt == nil || in.ExpiresAt.Before(gtime.Now()) {
		return gerror.New("到期时间必须晚于当前时间")
	}
	if len(in.Remark) > 255 {
		return gerror.New("备注不能超过255个字符")
	}
	if len(in.IdempotencyKey) == 0 || len(in.IdempotencyKey) > 128 {
		return gerror.New("批量生成必须提供不超过128个字符的幂等键")
	}
	return
}

type ImInviteBatchViewInp struct {
	TenantId int64  `json:"tenantId" dc:"IM租户ID"`
	BatchId  string `json:"batchId"  v:"required#批次ID不能为空" dc:"批次ID"`
}

type ImInviteRevokeInp struct {
	TenantId int64  `json:"tenantId" dc:"IM租户ID"`
	Id       string `json:"id"       v:"required#邀请码ID不能为空" dc:"邀请码ID"`
}

type ImInviteBindUserInp struct {
	TenantId int64  `json:"tenantId" dc:"IM租户ID"`
	Id       string `json:"id"       v:"required#邀请码ID不能为空" dc:"邀请码ID"`
	UserId   int64  `json:"userId"   v:"required|min:1#绑定用户不能为空|绑定用户不合法" dc:"绑定C端用户ID"`
}

func (in *ImInviteBindUserInp) Filter(ctx context.Context) (err error) {
	if _, err = ParseOptionalInt64(in.Id); err != nil {
		return gerror.New("邀请码ID不能为空")
	}
	if in.UserId <= 0 {
		return gerror.New("绑定用户不能为空")
	}
	return nil
}

type ImInviteBatchRevokeInp struct {
	TenantId int64  `json:"tenantId" dc:"IM租户ID"`
	BatchId  string `json:"batchId"  v:"required#批次ID不能为空" dc:"批次ID"`
}

type ImInviteCodeModel struct {
	Id             string      `json:"id"        dc:"ID"`
	TenantId       string      `json:"tenantId"  dc:"IM租户ID"`
	TenantName     string      `json:"tenantName" dc:"IM租户名称"`
	BatchId        string      `json:"batchId"   dc:"批次ID"`
	Code           string      `json:"code"      dc:"邀请码"`
	Status         string      `json:"status"    dc:"状态"`
	ExpiresAt      *gtime.Time `json:"expiresAt" dc:"到期时间"`
	MaxUses        int         `json:"maxUses"   dc:"最大可用次数，0表示不限制"`
	UsageCount     int         `json:"usageCount" dc:"累计使用次数"`
	BoundUserId    string      `json:"boundUserId"    dc:"绑定用户ID"`
	BoundUserLabel string      `json:"boundUserLabel" dc:"绑定用户展示名"`
	LastUsedAt     *gtime.Time `json:"lastUsedAt" dc:"最后使用时间"`
	CreatedBy      string      `json:"createdBy" dc:"创建人"`
	Remark         string      `json:"remark"    dc:"备注"`
	CreatedAt      *gtime.Time `json:"createdAt" dc:"创建时间"`
}

type ImInviteBatchModel struct {
	BatchId      string      `json:"batchId"      dc:"批次ID"`
	TenantId     string      `json:"tenantId"     dc:"IM租户ID"`
	Quantity     int         `json:"quantity"     dc:"数量"`
	ActiveCount  int         `json:"activeCount"  dc:"有效数量"`
	UsageCount   int         `json:"usageCount"   dc:"累计使用次数"`
	RevokedCount int         `json:"revokedCount" dc:"已撤销数量"`
	ExpiredCount int         `json:"expiredCount" dc:"已过期数量"`
	ExpiresAt    *gtime.Time `json:"expiresAt"    dc:"到期时间"`
	CreatedAt    *gtime.Time `json:"createdAt"    dc:"创建时间"`
}

type ImInviteBatchDetailModel struct {
	ImInviteBatchModel
	List []*ImInviteCodeModel `json:"list" dc:"批次邀请码"`
}

func ParseOptionalInt64(value string) (int64, error) {
	if value == "" {
		return 0, nil
	}
	parsed, err := strconv.ParseInt(value, 10, 64)
	if err != nil || parsed <= 0 {
		return 0, gerror.New("ID格式不正确")
	}
	return parsed, nil
}