package model

import (
	"time"

	"gorm.io/datatypes"
	"gorm.io/gorm"
)

// CommissionWithdrawalRequest 佣金提现申请模型
// 代理佣金提现申请、审批流程、提现记录查询
type CommissionWithdrawalRequest struct {
	gorm.Model
	BaseModel        `gorm:"embedded"`
	WithdrawalNo     string         `gorm:"column:withdrawal_no;type:varchar(50);uniqueIndex:uk_commission_withdrawal_no,where:deleted_at IS NULL AND withdrawal_no IS NOT NULL;comment:提现单号（唯一，格式：W + 时间戳 + 随机数）" json:"withdrawal_no"`
	AgentID          uint           `gorm:"column:agent_id;index;not null;comment:代理用户ID" json:"agent_id"`
	ApplicantID      uint           `gorm:"column:applicant_id;index;comment:申请人账号ID" json:"applicant_id"`
	ShopID           uint           `gorm:"column:shop_id;index;comment:店铺ID（冗余字段）" json:"shop_id"`
	Amount           int64          `gorm:"column:amount;type:bigint;not null;comment:提现金额(分为单位)" json:"amount"`
	Fee              int64          `gorm:"column:fee;type:bigint;default:0;comment:手续费(分为单位)" json:"fee"`
	FeeRate          int64          `gorm:"column:fee_rate;type:bigint;default:0;comment:手续费比率（基点，100=1%，快照）" json:"fee_rate"`
	ActualAmount     int64          `gorm:"column:actual_amount;type:bigint;comment:实际到账金额(分为单位)" json:"actual_amount"`
	WithdrawalMethod string         `gorm:"column:withdrawal_method;type:varchar(20);comment:提现方式 alipay-支付宝 wechat-微信 bank-银行卡" json:"withdrawal_method"`
	PaymentType      string         `gorm:"column:payment_type;type:varchar(20);default:'manual';comment:放款类型（manual=人工打款）" json:"payment_type"`
	AccountInfo      datatypes.JSON `gorm:"column:account_info;type:jsonb;comment:收款账户信息(姓名、账号等)" json:"account_info"`
	Status           int            `gorm:"column:status;type:int;default:1;comment:状态 1-待审核 2-已通过 3-已拒绝 4-已到账" json:"status"`
	ProcessorID      uint           `gorm:"column:processor_id;index;comment:处理人ID" json:"processor_id"`
	ProcessedAt      *time.Time     `gorm:"column:processed_at;comment:处理时间" json:"processed_at"`
	PaidAt           *time.Time     `gorm:"column:paid_at;comment:到账时间" json:"paid_at"`
	RejectReason     string         `gorm:"column:reject_reason;type:text;comment:拒绝原因" json:"reject_reason"`
	Remark           string         `gorm:"column:remark;type:text;comment:备注" json:"remark"`
	// LatestAttemptID 与 LatestApprovalInstanceID 仅用于列表投影，不是历史事实来源。
	LatestAttemptID          uint `gorm:"column:latest_attempt_id;type:bigint;not null;default:0;comment:最新审批尝试记录ID" json:"latest_attempt_id"`
	LatestApprovalInstanceID uint `gorm:"column:latest_approval_instance_id;type:bigint;not null;default:0;comment:最新通用审批实例ID" json:"latest_approval_instance_id"`
	// ApprovalInstanceID 为空表示从未关联审批实例的存量申请，仍走既有本地人工终审。
	ApprovalInstanceID *uint  `gorm:"column:approval_instance_id;type:bigint;comment:首次接入企业微信审批的审批实例ID" json:"approval_instance_id,omitempty"`
	AnomalyFlag        int    `gorm:"column:anomaly_flag;type:smallint;not null;default:0;comment:正交异常标记 0-无异常 1-通过后撤销" json:"anomaly_flag"`
	AnomalyReason      string `gorm:"column:anomaly_reason;type:varchar(500);not null;default:'';comment:异常原因" json:"anomaly_reason"`
}

// TableName 指定表名
func (CommissionWithdrawalRequest) TableName() string {
	return "tb_commission_withdrawal_request"
}

// CommissionWithdrawalRequestAttempt 是提现申请每次提交或重提对应的不可变审批材料与冻结事实。
// 冻结与释放金额一律取本记录事实；released_at 是回溯可重放的幂等依据。
type CommissionWithdrawalRequestAttempt struct {
	ID                   uint           `gorm:"column:id;primaryKey;autoIncrement" json:"id"`
	RequestID            uint           `gorm:"column:request_id;type:bigint;not null;comment:所属提现申请ID" json:"request_id"`
	AttemptNo            int            `gorm:"column:attempt_no;type:int;not null;comment:第几次提交，从 1 递增" json:"attempt_no"`
	Amount               int64          `gorm:"column:amount;type:bigint;not null;comment:本次冻结提现金额（分）" json:"amount"`
	Fee                  int64          `gorm:"column:fee;type:bigint;not null;default:0;comment:本次手续费（分）" json:"fee"`
	FeeRate              int64          `gorm:"column:fee_rate;type:bigint;not null;default:0;comment:本次手续费率（基点）" json:"fee_rate"`
	ActualAmount         int64          `gorm:"column:actual_amount;type:bigint;not null;default:0;comment:本次实际到账金额（分）" json:"actual_amount"`
	WithdrawalMethod     string         `gorm:"column:withdrawal_method;type:varchar(20);not null;comment:本次收款方式快照" json:"withdrawal_method"`
	AccountInfo          datatypes.JSON `gorm:"column:account_info;type:jsonb;not null;comment:本次收款账户信息快照" json:"account_info"`
	InvoiceKeys          datatypes.JSON `gorm:"column:invoice_keys;type:jsonb;not null;default:'[]';comment:本次申请级发票对象存储Key列表" json:"invoice_keys"`
	SubmittedByAccountID uint           `gorm:"column:submitted_by_account_id;type:bigint;not null;comment:本次实际提交账号ID" json:"submitted_by_account_id"`
	ApprovalInstanceID   *uint          `gorm:"column:approval_instance_id;type:bigint;comment:本次尝试关联的通用审批实例ID" json:"approval_instance_id,omitempty"`
	ReleasedAt           *time.Time     `gorm:"column:released_at;comment:本次冻结释放时间，空表示未结算" json:"released_at,omitempty"`
	CreatedAt            time.Time      `gorm:"column:created_at;type:timestamptz;not null;autoCreateTime" json:"created_at"`
}

// TableName 指定提现审批尝试记录表名。
func (CommissionWithdrawalRequestAttempt) TableName() string {
	return "tb_commission_withdrawal_request_attempt"
}

// CommissionWithdrawalSetting 佣金提现设置模型
// 提现参数配置(最低金额、手续费率、到账时间等)
type CommissionWithdrawalSetting struct {
	gorm.Model
	BaseModel            `gorm:"embedded"`
	MinWithdrawalAmount  int64 `gorm:"column:min_withdrawal_amount;type:bigint;comment:最低提现金额(分为单位)" json:"min_withdrawal_amount"`
	FeeRate              int64 `gorm:"column:fee_rate;type:bigint;comment:手续费率(万分比,如100表示1%)" json:"fee_rate"`
	ArrivalDays          int   `gorm:"column:arrival_days;type:int;comment:到账天数" json:"arrival_days"`
	DailyWithdrawalLimit int   `gorm:"column:daily_withdrawal_limit;type:int;default:3;comment:每日提现次数限制" json:"daily_withdrawal_limit"`
	IsActive             bool  `gorm:"column:is_active;type:boolean;default:true;comment:是否生效(最新一条)" json:"is_active"`
}

// TableName 指定表名
func (CommissionWithdrawalSetting) TableName() string {
	return "tb_commission_withdrawal_setting"
}