package model

import (
	"time"
)

// AssignmentPolicy represents a conversation assignment policy for an account.
// Reference: Chatwoot app/models/assignment_policy.rb + M5 spec
type AssignmentPolicy struct {
	ID                   uint      `gorm:"primaryKey" json:"id"`
	AccountID            uint      `gorm:"not null;index;uniqueIndex:idx_account_policy_name" json:"account_id"`
	Name                 string    `gorm:"size:255;not null;uniqueIndex:idx_account_policy_name" json:"name"`
	Description          string    `gorm:"type:text" json:"description"`
	AssignmentOrder      int       `gorm:"default:0" json:"assignment_order"`     // 0=round_robin, 1=balanced (enterprise)
	ConversationPriority int       `gorm:"default:0" json:"conversation_priority"` // 0=earliest_created, 1=longest_waiting
	FairDistributionLimit  int     `gorm:"default:100" json:"fair_distribution_limit"`
	FairDistributionWindow int     `gorm:"default:3600" json:"fair_distribution_window"`
	Enabled              bool      `gorm:"default:true" json:"enabled"`
	CreatedAt            time.Time `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt            time.Time `gorm:"autoUpdateTime" json:"updated_at"`

	Account                Account                `gorm:"foreignKey:AccountID" json:"account,omitempty"`
	InboxAssignmentPolicies []InboxAssignmentPolicy `gorm:"foreignKey:AssignmentPolicyID" json:"inbox_assignment_policies,omitempty"`
}

func (AssignmentPolicy) TableName() string { return "assignment_policies" }

// InboxAssignmentPolicy represents the join between Inbox and AssignmentPolicy.
// Each Inbox can only be associated with one AssignmentPolicy.
// Reference: Chatwoot app/models/inbox_assignment_policy.rb + M5 spec
type InboxAssignmentPolicy struct {
	ID                uint      `gorm:"primaryKey" json:"id"`
	InboxID           uint      `gorm:"not null;uniqueIndex" json:"inbox_id"`
	AssignmentPolicyID uint     `gorm:"not null;index" json:"assignment_policy_id"`
	CreatedAt         time.Time `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt         time.Time `gorm:"autoUpdateTime" json:"updated_at"`

	Inbox             Inbox            `gorm:"foreignKey:InboxID" json:"inbox,omitempty"`
	AssignmentPolicy  AssignmentPolicy `gorm:"foreignKey:AssignmentPolicyID" json:"assignment_policy,omitempty"`
}

func (InboxAssignmentPolicy) TableName() string { return "inbox_assignment_policies" }