package hostorg

import (
	"encoding/json"
	"fmt"
	"strconv"
	"strings"

	"hyapp-admin-server/internal/modules/shared"
)

// flexibleInt64 只用于 admin HTTP 请求入参：前端新合约会按字符串提交用户长 ID，旧页面或脚本可能仍提交 JSON number。
// 这里同时接受两种形态，进入业务层前仍落成 int64，保证后续短 ID 解析、RPC 参数和审计日志不出现两套类型分支。
type flexibleInt64 int64

func (v *flexibleInt64) UnmarshalJSON(data []byte) error {
	raw := strings.TrimSpace(string(data))
	if raw == "" || raw == "null" {
		*v = 0
		return nil
	}
	if strings.HasPrefix(raw, `"`) {
		var text string
		if err := json.Unmarshal(data, &text); err != nil {
			return err
		}
		raw = strings.TrimSpace(text)
		if raw == "" {
			*v = 0
			return nil
		}
	}
	parsed, err := strconv.ParseInt(raw, 10, 64)
	if err != nil {
		return fmt.Errorf("invalid int64 id %q", raw)
	}
	*v = flexibleInt64(parsed)
	return nil
}

func (v flexibleInt64) Int64() int64 {
	return int64(v)
}

type listQuery struct {
	Page               int
	PageSize           int
	Keyword            string
	UserFilter         shared.UserIdentityFilter
	OwnerFilter        shared.UserIdentityFilter
	ParentLeaderFilter shared.UserIdentityFilter
	ParentBDFilter     shared.UserIdentityFilter
	Status             string
	RegionID           int64
	AgencyID           int64
	ParentBDUserID     int64
	ParentLeaderUserID int64
	SortBy             string
	SortDirection      string
}

type createBDLeaderRequest struct {
	CommandID     string        `json:"commandId" binding:"required"`
	TargetUserID  flexibleInt64 `json:"targetUserId" binding:"required"`
	PositionAlias string        `json:"positionAlias"`
	Reason        string        `json:"reason"`
}

type createManagerRequest struct {
	Contact             string        `json:"contact"`
	TargetUserID        flexibleInt64 `json:"targetUserId" binding:"required"`
	CanGrantAvatarFrame *bool         `json:"canGrantAvatarFrame"`
	CanGrantVehicle     *bool         `json:"canGrantVehicle"`
	CanGrantBadge       *bool         `json:"canGrantBadge"`
	CanGrantVIP         *bool         `json:"canGrantVip"`
	CanUpdateUserLevel  *bool         `json:"canUpdateUserLevel"`
	CanAddBDLeader      *bool         `json:"canAddBdLeader"`
	CanAddAdmin         *bool         `json:"canAddAdmin"`
	CanAddSuperadmin    *bool         `json:"canAddSuperadmin"`
	CanBlockUser        *bool         `json:"canBlockUser"`
	CanTransferCountry  *bool         `json:"canTransferUserCountry"`
}

type updateManagerRequest struct {
	Contact             *string `json:"contact"`
	Status              *string `json:"status"`
	CanGrantAvatarFrame *bool   `json:"canGrantAvatarFrame"`
	CanGrantVehicle     *bool   `json:"canGrantVehicle"`
	CanGrantBadge       *bool   `json:"canGrantBadge"`
	CanGrantVIP         *bool   `json:"canGrantVip"`
	CanUpdateUserLevel  *bool   `json:"canUpdateUserLevel"`
	CanAddBDLeader      *bool   `json:"canAddBdLeader"`
	CanAddAdmin         *bool   `json:"canAddAdmin"`
	CanAddSuperadmin    *bool   `json:"canAddSuperadmin"`
	CanBlockUser        *bool   `json:"canBlockUser"`
	CanTransferCountry  *bool   `json:"canTransferUserCountry"`
}

func (r updateManagerRequest) appendStatusAssignment(assignments *[]string, args *[]any) error {
	if r.Status == nil {
		return nil
	}
	status := strings.ToLower(strings.TrimSpace(*r.Status))
	if status == "" {
		return nil
	}
	if status != "active" && status != "disabled" {
		return fmt.Errorf("manager status is invalid")
	}
	// 经理状态属于 manager_profiles 自身身份开关；停用经理只关闭经理中心身份，不改用户主状态或其他 Host/BD 关系。
	*assignments = append(*assignments, "status = ?")
	*args = append(*args, status)
	return nil
}

type managerPermissions struct {
	CanGrantAvatarFrame bool
	CanGrantVehicle     bool
	CanGrantBadge       bool
	CanGrantVIP         bool
	CanUpdateUserLevel  bool
	CanAddBDLeader      bool
	CanAddAdmin         bool
	CanAddSuperadmin    bool
	CanBlockUser        bool
	CanTransferCountry  bool
}

func (r createManagerRequest) permissionsWithDefault() managerPermissions {
	return managerPermissions{
		CanGrantAvatarFrame: boolDefaultTrue(r.CanGrantAvatarFrame),
		CanGrantVehicle:     boolDefaultTrue(r.CanGrantVehicle),
		CanGrantBadge:       boolDefaultTrue(r.CanGrantBadge),
		CanGrantVIP:         boolDefaultTrue(r.CanGrantVIP),
		CanUpdateUserLevel:  boolDefaultTrue(r.CanUpdateUserLevel),
		CanAddBDLeader:      boolDefaultTrue(r.CanAddBDLeader),
		CanAddAdmin:         boolDefaultTrue(r.CanAddAdmin),
		CanAddSuperadmin:    boolDefaultTrue(r.CanAddSuperadmin),
		CanBlockUser:        boolDefaultTrue(r.CanBlockUser),
		CanTransferCountry:  boolDefaultTrue(r.CanTransferCountry),
	}
}

func (r updateManagerRequest) appendPermissionAssignments(assignments *[]string, args *[]any) {
	appendBoolAssignment(assignments, args, "can_grant_avatar_frame", r.CanGrantAvatarFrame)
	appendBoolAssignment(assignments, args, "can_grant_vehicle", r.CanGrantVehicle)
	appendBoolAssignment(assignments, args, "can_grant_badge", r.CanGrantBadge)
	appendBoolAssignment(assignments, args, "can_grant_vip", r.CanGrantVIP)
	appendBoolAssignment(assignments, args, "can_update_user_level", r.CanUpdateUserLevel)
	appendBoolAssignment(assignments, args, "can_add_bd_leader", r.CanAddBDLeader)
	appendBoolAssignment(assignments, args, "can_add_admin", r.CanAddAdmin)
	appendBoolAssignment(assignments, args, "can_add_superadmin", r.CanAddSuperadmin)
	appendBoolAssignment(assignments, args, "can_block_user", r.CanBlockUser)
	appendBoolAssignment(assignments, args, "can_transfer_user_country", r.CanTransferCountry)
}

func appendBoolAssignment(assignments *[]string, args *[]any, column string, value *bool) {
	if value == nil {
		return
	}
	*assignments = append(*assignments, column+" = ?")
	*args = append(*args, *value)
}

func boolDefaultTrue(value *bool) bool {
	return value == nil || *value
}

type createBDRequest struct {
	CommandID          string        `json:"commandId" binding:"required"`
	TargetUserID       flexibleInt64 `json:"targetUserId" binding:"required"`
	ParentLeaderUserID flexibleInt64 `json:"parentLeaderUserId"`
	Reason             string        `json:"reason"`
}

type bdStatusRequest struct {
	CommandID string `json:"commandId" binding:"required"`
	Status    string `json:"status" binding:"required"`
	Reason    string `json:"reason"`
}

type bdLeaderPositionAliasRequest struct {
	CommandID     string `json:"commandId" binding:"required"`
	PositionAlias string `json:"positionAlias"`
	Reason        string `json:"reason"`
}

type createCoinSellerRequest struct {
	CommandID               string        `json:"commandId" binding:"required"`
	Contact                 string        `json:"contact"`
	TargetUserID            flexibleInt64 `json:"targetUserId" binding:"required"`
	Reason                  string        `json:"reason"`
	CanManageSubCoinSellers *bool         `json:"canManageSubCoinSellers"`
}

type coinSellerStatusRequest struct {
	CommandID               string  `json:"commandId" binding:"required"`
	Contact                 *string `json:"contact"`
	Status                  string  `json:"status" binding:"required"`
	Reason                  string  `json:"reason"`
	CanManageSubCoinSellers *bool   `json:"canManageSubCoinSellers"`
}

type coinSellerStockCreditRequest struct {
	CommandID      string `json:"commandId" binding:"required"`
	Type           string `json:"type" binding:"required"`
	CoinAmount     int64  `json:"coinAmount" binding:"required"`
	RechargeAmount string `json:"rechargeAmount"`
	PaymentRef     string `json:"paymentRef"`
	EvidenceRef    string `json:"evidenceRef"`
	Reason         string `json:"reason"`
}

type coinSellerStockDebitRequest struct {
	CommandID      string `json:"commandId" binding:"required"`
	CoinAmount     int64  `json:"coinAmount" binding:"required"`
	RechargeAmount string `json:"rechargeAmount" binding:"required"`
	EvidenceRef    string `json:"evidenceRef"`
	Reason         string `json:"reason" binding:"required"`
}

type replaceCoinSellerSalaryRatesRequest struct {
	Tiers []coinSellerSalaryRateTierRequest `json:"tiers" binding:"required"`
}

type coinSellerSalaryRateTierRequest struct {
	MinUSD      string `json:"minUsd"`
	MaxUSD      string `json:"maxUsd"`
	MinUSDMinor int64  `json:"minUsdMinor"`
	MaxUSDMinor int64  `json:"maxUsdMinor"`
	CoinPerUSD  int64  `json:"coinPerUsd" binding:"required"`
	Enabled     *bool  `json:"enabled"`
	Status      string `json:"status"`
	SortOrder   int    `json:"sortOrder"`
}

type createAgencyRequest struct {
	CommandID      string        `json:"commandId" binding:"required"`
	OwnerUserID    flexibleInt64 `json:"ownerUserId" binding:"required"`
	ParentBDUserID flexibleInt64 `json:"parentBdUserId"`
	Name           string        `json:"name"`
	JoinEnabled    *bool         `json:"joinEnabled" binding:"required"`
	Reason         string        `json:"reason"`
}

type agencyHostAddRequest struct {
	CommandID    string        `json:"commandId" binding:"required"`
	TargetUserID flexibleInt64 `json:"targetUserId" binding:"required"`
	Reason       string        `json:"reason"`
}

type agencyJoinEnabledRequest struct {
	CommandID   string `json:"commandId" binding:"required"`
	JoinEnabled *bool  `json:"joinEnabled" binding:"required"`
	Reason      string `json:"reason"`
}

type agencyCloseRequest struct {
	CommandID string `json:"commandId" binding:"required"`
	Reason    string `json:"reason"`
}

type agencyStatusRequest struct {
	CommandID string `json:"commandId" binding:"required"`
	Status    string `json:"status" binding:"required"`
	Reason    string `json:"reason"`
}

type agencyDeleteRequest struct {
	CommandID string `json:"commandId" binding:"required"`
	Reason    string `json:"reason"`
}