package models

import (
	"time"
)

// QueryHistory represents a record of executed queries
type QueryHistory struct {
	ID            uint      `gorm:"primaryKey" json:"id"`
	ConnectionID  string    `gorm:"type:varchar(36);not null;index" json:"connection_id"`
	SQL           string    `gorm:"type:text;not null" json:"sql"`
	Duration      int64     `gorm:"type:bigint" json:"duration_ms"` // Duration in milliseconds
	ExecutedAt    time.Time `gorm:"autoCreateTime;index" json:"executed_at"`
	RowsAffected  int64     `gorm:"type:bigint" json:"rows_affected"`
	Error         string    `gorm:"type:text" json:"error,omitempty"`
	Success       bool      `gorm:"type:boolean;default:false" json:"success"`
	ResultPreview string    `gorm:"type:text" json:"result_preview,omitempty"` // JSON preview of first few rows
}

// TableName returns the table name for QueryHistory
func (QueryHistory) TableName() string {
	return "query_history"
}

// SavedQuery represents a saved SQL query
type SavedQuery struct {
	ID          uint      `gorm:"primaryKey" json:"id"`
	Name        string    `gorm:"type:varchar(255);not null" json:"name"`
	Description string    `gorm:"type:text" json:"description"`
	SQL         string    `gorm:"type:text;not null" json:"sql"`
	ConnectionID string   `gorm:"type:varchar(36);index" json:"connection_id"`
	Tags        string    `gorm:"type:text" json:"tags"` // Comma-separated tags
	CreatedAt   time.Time `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt   time.Time `gorm:"autoUpdateTime" json:"updated_at"`
}

// TableName returns the table name for SavedQuery
func (SavedQuery) TableName() string {
	return "saved_queries"
}

// CreateSavedQueryRequest represents a request to save a query
type CreateSavedQueryRequest struct {
	Name        string `json:"name" binding:"required"`
	Description string `json:"description"`
	SQL         string `json:"sql" binding:"required"`
	ConnectionID string `json:"connection_id"`
	Tags        string `json:"tags"`
}

// UpdateSavedQueryRequest represents a request to update a saved query
type UpdateSavedQueryRequest struct {
	Name        string `json:"name"`
	Description string `json:"description"`
	SQL         string `json:"sql"`
	ConnectionID string `json:"connection_id"`
	Tags        string `json:"tags"`
}