package models

import "time"

// Lot represents existing lot table
type Lot struct {
	LotName        string  `gorm:"column:lot_name;primaryKey;size:255" json:"lot_name"`
	LotDescription string  `gorm:"column:lot_description;size:10000" json:"lot_description"`
	LotCategory    *string `gorm:"column:lot_category;size:50" json:"lot_category"`
}

func (Lot) TableName() string {
	return "lot"
}

// LotLog represents existing lot_log table (READ-ONLY)
type LotLog struct {
	LotLogID uint      `gorm:"column:lot_log_id;primaryKey;autoIncrement"`
	Lot      string    `gorm:"column:lot;size:255;not null"`
	Supplier string    `gorm:"column:supplier;size:255;not null"`
	Date     time.Time `gorm:"column:date;type:date;not null"`
	Price    float64   `gorm:"column:price;not null"`
	Quality  string    `gorm:"column:quality;size:255"`
	Comments string    `gorm:"column:comments;size:15000"`
}

func (LotLog) TableName() string {
	return "lot_log"
}

// Supplier represents existing supplier table (READ-ONLY)
type Supplier struct {
	SupplierName    string `gorm:"column:supplier_name;primaryKey;size:255"`
	SupplierComment string `gorm:"column:supplier_comment;size:10000"`
}

func (Supplier) TableName() string {
	return "supplier"
}

// StockLog stores warehouse stock snapshots imported from external files.
type StockLog struct {
	StockLogID uint      `gorm:"column:stock_log_id;primaryKey;autoIncrement"`
	Partnumber string    `gorm:"column:partnumber;size:255;not null"`
	Supplier   *string   `gorm:"column:supplier;size:255"`
	Date       time.Time `gorm:"column:date;type:date;not null"`
	Price      float64   `gorm:"column:price;not null"`
	Quality    *string   `gorm:"column:quality;size:255"`
	Comments   *string   `gorm:"column:comments;size:15000"`
	Vendor     *string   `gorm:"column:vendor;size:255"`
	Qty        *float64  `gorm:"column:qty"`
}

func (StockLog) TableName() string {
	return "stock_log"
}

// LotPartnumber maps external part numbers to internal lots.
type LotPartnumber struct {
	Vendor      string  `gorm:"column:vendor;size:255;primaryKey" json:"vendor"`
	Partnumber  string  `gorm:"column:partnumber;size:255;primaryKey" json:"partnumber"`
	LotName     string  `gorm:"column:lot_name;size:255" json:"lot_name"`
	Description *string `gorm:"column:description;size:10000" json:"description,omitempty"`
	IsPrimaryPN bool    `gorm:"column:is_primary_pn;not null;default:true" json:"is_primary_pn"`
}

func (LotPartnumber) TableName() string {
	return "lot_partnumbers"
}

// PartnumberBook is a versioned snapshot of the partnumber→LOT mapping.
// Written by PriceForge; QuoteForge reads via SELECT only.
type PartnumberBook struct {
	ID              uint64    `gorm:"column:id;primaryKey;autoIncrement" json:"id"`
	Version         string    `gorm:"column:version;size:30;not null;uniqueIndex:uq_qt_partnumber_books_version" json:"version"`
	CreatedAt       time.Time `gorm:"column:created_at;autoCreateTime" json:"created_at"`
	CreatedBy       string    `gorm:"column:created_by;size:100;not null;default:''" json:"created_by"`
	IsActive        bool      `gorm:"column:is_active;not null;default:false" json:"is_active"`
	PartnumbersJSON string    `gorm:"column:partnumbers_json;type:longtext;not null" json:"partnumbers_json"`
}

func (PartnumberBook) TableName() string {
	return "qt_partnumber_books"
}

type PartnumberBookLot struct {
	LotName string  `json:"lot_name"`
	Qty     float64 `json:"qty"`
}

// PartnumberBookItem is the current source-of-truth row for one partnumber.
// lots_json stores the resolved LOT composition with quantities.
type PartnumberBookItem struct {
	ID          uint64  `gorm:"column:id;primaryKey;autoIncrement" json:"id"`
	Partnumber  string  `gorm:"column:partnumber;size:255;not null;uniqueIndex:uq_qt_partnumber_book_items_partnumber" json:"partnumber"`
	LotsJSON    string  `gorm:"column:lots_json;type:longtext;not null" json:"lots_json"`
	IsPrimaryPN bool    `gorm:"column:is_primary_pn;not null;default:true" json:"is_primary_pn"`
	Description *string `gorm:"column:description;size:10000" json:"description,omitempty"`
}

func (PartnumberBookItem) TableName() string {
	return "qt_partnumber_book_items"
}

type LotBundle struct {
	BundleLotName string    `gorm:"column:bundle_lot_name;size:255;primaryKey" json:"bundle_lot_name"`
	IsActive      bool      `gorm:"column:is_active;default:true" json:"is_active"`
	CreatedAt     time.Time `gorm:"column:created_at;autoCreateTime" json:"created_at"`
	UpdatedAt     time.Time `gorm:"column:updated_at;autoUpdateTime" json:"updated_at"`
}

func (LotBundle) TableName() string {
	return "qt_lot_bundles"
}

type LotBundleItem struct {
	ID            uint64    `gorm:"column:id;primaryKey;autoIncrement" json:"id"`
	BundleLotName string    `gorm:"column:bundle_lot_name;size:255;not null;index:uq_qt_lot_bundle_items_bundle_lot,unique" json:"bundle_lot_name"`
	LotName       string    `gorm:"column:lot_name;size:255;not null;index:uq_qt_lot_bundle_items_bundle_lot,unique" json:"lot_name"`
	Qty           float64   `gorm:"column:qty;not null" json:"qty"`
	CreatedAt     time.Time `gorm:"column:created_at;autoCreateTime" json:"created_at"`
	UpdatedAt     time.Time `gorm:"column:updated_at;autoUpdateTime" json:"updated_at"`
}

func (LotBundleItem) TableName() string {
	return "qt_lot_bundle_items"
}

type VendorPartnumberSeen struct {
	ID          uint64     `gorm:"column:id;primaryKey;autoIncrement" json:"id"`
	SourceType  string     `gorm:"column:source_type;size:32;not null" json:"source_type"`
	Vendor      string     `gorm:"column:vendor;size:255;not null;default:'';index:idx_qt_vendor_partnumber_seen_vendor_partnumber" json:"vendor"`
	Partnumber  string     `gorm:"column:partnumber;size:255;not null;uniqueIndex:uq_qt_vendor_partnumber_seen_partnumber;index:idx_qt_vendor_partnumber_seen_vendor_partnumber" json:"partnumber"`
	Description *string    `gorm:"column:description;size:10000" json:"description,omitempty"`
	LastSeenAt  time.Time  `gorm:"column:last_seen_at;not null" json:"last_seen_at"`
	IsIgnored   bool       `gorm:"column:is_ignored;not null;default:false;index:idx_qt_vendor_partnumber_seen_ignored" json:"is_ignored"`
	IgnoredAt   *time.Time `gorm:"column:ignored_at" json:"ignored_at,omitempty"`
	IgnoredBy   *string    `gorm:"column:ignored_by;size:100" json:"ignored_by,omitempty"`
	CreatedAt   time.Time  `gorm:"column:created_at;autoCreateTime" json:"created_at"`
	UpdatedAt   time.Time  `gorm:"column:updated_at;autoUpdateTime" json:"updated_at"`
}

func (VendorPartnumberSeen) TableName() string {
	return "qt_vendor_partnumber_seen"
}

// StockIgnoreRule is deprecated and kept for backward compatibility only.
// New logic uses VendorPartnumberSeen.is_ignored.
type StockIgnoreRule struct {
	ID        uint      `gorm:"column:id;primaryKey;autoIncrement" json:"id"`
	Target    string    `gorm:"column:target;size:20;not null" json:"target"`
	MatchType string    `gorm:"column:match_type;size:20;not null" json:"match_type"`
	Pattern   string    `gorm:"column:pattern;size:500;not null" json:"pattern"`
	CreatedAt time.Time `gorm:"column:created_at;autoCreateTime" json:"created_at"`
}

func (StockIgnoreRule) TableName() string {
	return "stock_ignore_rules"
}