package model

import (
	"time"

	"gorm.io/datatypes"
)

type User struct {
	ID               string  `gorm:"primaryKey;size:32"`
	Email            string  `gorm:"size:255;uniqueIndex;not null"`
	Name             string  `gorm:"size:255"`
	PasswordHash     string  `gorm:"size:255"`
	Role             string  `gorm:"size:32;index;not null"`
	Status           string  `gorm:"size:32;index;not null"`
	Credits          float64 `gorm:"not null;default:0"`
	Notes            string  `gorm:"type:text"`
	ConcurrencyGroupID string `gorm:"size:32;index"`
	InviteCode       string  `gorm:"size:32;uniqueIndex"`
	InvitedBy        *string `gorm:"size:32;index"`
	InviteRewardDone bool    `gorm:"not null;default:false"`
	InviteRewardAt   *time.Time
	CheckinLast      string `gorm:"size:32"`
	CheckinStreak    int    `gorm:"not null;default:0"`
	GenerationCount  int64  `gorm:"not null;default:0"`
	LastLoginAt      *time.Time
	LastLoginIP      string `gorm:"size:128"`
	CreatedAt        time.Time
	UpdatedAt        time.Time
	APIKeys          []APIKey `gorm:"foreignKey:UserID"`
}

type APIKey struct {
	ID         string `gorm:"primaryKey;size:32"`
	UserID     string `gorm:"size:32;index;not null"`
	Name       string `gorm:"size:100;not null"`
	KeyPreview string `gorm:"size:32;not null"`
	KeyHash    string `gorm:"size:255;uniqueIndex;not null"`
	CreatedAt  time.Time
	LastUsedAt *time.Time
}

type ShowcaseItem struct {
	ID        string `gorm:"primaryKey;size:32"`
	Kind      string `gorm:"size:32;index;not null"`
	Title     string `gorm:"size:255"`
	Subtitle  string `gorm:"size:255"`
	Prompt    string `gorm:"type:text"`
	Gradient  string `gorm:"type:text"`
	Span      string `gorm:"size:100"`
	Image     string `gorm:"size:500;index"`
	Weight    int    `gorm:"not null;default:0"`
	CreatedAt time.Time
	UpdatedAt time.Time
}

type EventLog struct {
	ID         string    `gorm:"primaryKey;size:32"`
	TS         time.Time `gorm:"index;not null"`
	Kind       string    `gorm:"size:32;index;not null"`
	Status     string    `gorm:"size:32;index;not null"`
	Model      string    `gorm:"size:255;index"`
	Provider   string    `gorm:"size:100;index"`
	Prompt     string    `gorm:"type:text"`
	Ratio      string    `gorm:"size:32"`
	Resolution string    `gorm:"size:32"`
	Duration   string    `gorm:"size:32"`
	Refs       int            `gorm:"not null;default:0"`
	RefFiles   datatypes.JSON `gorm:"type:jsonb"` // relative paths of saved reference images, for回显 on reload
	Source     string         `gorm:"size:32;index"`
	// AccountID is the provider token/account chosen to fulfil this generation,
	// stamped when the upstream call begins. Drives the accounts view's live
	// in-flight count (pending events per account) and lets an abandoned-event
	// purge attribute the failure back to the account it was using.
	AccountID  string         `gorm:"size:64;index"`
	UserID     string    `gorm:"size:32;index"`
	Cost       float64   `gorm:"not null;default:0"`
	// Refunded marks that this event's up-front charge has already been credited
	// back, so the normal failure path and the abandoned-purge sweep can never
	// double-refund the same generation.
	Refunded   bool      `gorm:"not null;default:false"`
	ElapsedMS  int       `gorm:"not null;default:0"`
	File       string    `gorm:"size:500;index"`
	Error      string    `gorm:"type:text"`
	CreatedAt  time.Time
	UpdatedAt  time.Time
}

type ModelConfig struct {
	ID                 string            `gorm:"primaryKey;size:255"`
	Type               string            `gorm:"size:32;index;not null"`
	Name               string            `gorm:"size:255;not null"`
	Provider           string            `gorm:"size:100;index;not null"`
	Enabled            bool              `gorm:"not null;default:true"`
	Ratios             datatypes.JSON    `gorm:"type:jsonb"`
	Prices             datatypes.JSONMap `gorm:"type:jsonb"`
	Resolutions        datatypes.JSON    `gorm:"type:jsonb"`
	ImageToImage       bool              `gorm:"not null;default:false"`
	DurationPrices     datatypes.JSONMap `gorm:"type:jsonb"`
	// Agent (代理) pricing — optional overlay over Prices/DurationPrices. A tier
	// left unset here means agent users pay the normal price for that tier; the
	// set of *supported* tiers is always driven by Prices, not these.
	PricesAgent         datatypes.JSONMap `gorm:"type:jsonb;column:prices_agent"`
	DurationPricesAgent datatypes.JSONMap `gorm:"type:jsonb;column:duration_prices_agent"`
	Durations          datatypes.JSON    `gorm:"type:jsonb"`
	MaxReferenceImages int               `gorm:"not null;default:0"`
	ReferenceMode      string            `gorm:"size:32;not null;default:'none'"`
	// Custom-upstream models (provider="custom"): UpstreamModel is the model name
	// sent to the upstream OpenAI-compatible API; the base_url + key live on the
	// matching custom account (pool="custom", meta.base_url). Empty for built-ins.
	UpstreamModel string `gorm:"size:255;not null;default:''"`
	// Weight controls display order in the model dropdown / admin list: higher
	// weight floats to the top (matches ShowcaseItem.Weight semantics). Ties fall
	// back to created_at desc. Default 0.
	Weight             int `gorm:"not null;default:0;index"`
	// GenerationCount is a persistent success counter, incremented once per
	// successful generation. Independent of the event_log (which is subject to
	// retention / manual clearing), so the admin "次数" is a true running total.
	GenerationCount int64 `gorm:"not null;default:0"`
	CreatedAt          time.Time
	UpdatedAt          time.Time
}

type CDKCode struct {
	Code       string  `gorm:"primaryKey;size:32"`
	Amount     int     `gorm:"not null"`
	Status     string  `gorm:"size:32;index;not null"`
	Type       string  `gorm:"size:16;not null;default:normal;index"` // normal | marketing
	BatchID    string  `gorm:"size:32;index"`                         // groups one generate call
	Note       string  `gorm:"type:text"`
	RedeemedBy *string `gorm:"size:32;index"`
	RedeemedAt *time.Time
	CreatedAt  time.Time
	UpdatedAt  time.Time
}

type TokenAccount struct {
	ID                    string            `gorm:"primaryKey;size:64"`
	Pool                  string            `gorm:"size:64;index;not null"`
	Value                 string            `gorm:"type:text"`
	Status                string            `gorm:"size:32;index;not null"`
	Fails                 int               `gorm:"not null;default:0"`
	FailTotal             int               `gorm:"not null;default:0"`
	SuccessTotal          int               `gorm:"not null;default:0"`
	Dead                  bool              `gorm:"not null;default:false"`
	Meta                  datatypes.JSONMap `gorm:"type:jsonb"`
	AddedAt               *time.Time
	LastUsedAt            *time.Time
	CachedQuotaResetAfter string `gorm:"size:128"`
	QuotaRecoverAt        *time.Time
	// Adobe quota is tracked separately for image vs video. An account only
	// enters the shared "quota" waiting status when BOTH are limited; a single
	// limit leaves the account usable for the other kind. Recovery time is shared
	// (QuotaRecoverAt / CachedQuotaResetAfter) since Adobe resets both at once.
	ImageLimited bool `gorm:"not null;default:false"`
	VideoLimited bool `gorm:"not null;default:false"`
	AccountEmail          string `gorm:"size:255"`
	AccountDisplayName    string `gorm:"size:255"`
	// Weight biases scheduling order for ANY account — higher weight is picked
	// first within its pool (ties fall back to round-robin). Default 0.
	Weight int `gorm:"not null;default:0"`
	// Concurrency is the max simultaneous jobs for THIS account. Only custom
	// (upstream) accounts honor it; built-in pools use their system default
	// (1 per account, grok 10). 0 = use the system default.
	Concurrency           int `gorm:"not null;default:0"`
	CreatedAt             time.Time
	UpdatedAt             time.Time
}

type RefreshProfile struct {
	ID                  string `gorm:"primaryKey;size:64"`
	Name                string `gorm:"size:255;not null"`
	Pool                string `gorm:"size:64;index;not null"`
	Kind                string `gorm:"size:64;index;not null"`
	Cookie              string `gorm:"type:text"`
	Enabled             bool   `gorm:"not null;default:true"`
	IntervalSeconds     int    `gorm:"not null;default:54000"`
	ImportedAt          *time.Time
	LastAttemptAt       *time.Time
	LastSuccessAt       *time.Time
	LastError           string `gorm:"type:text"`
	NextRetryAt         *time.Time
	ConsecutiveFailures int `gorm:"not null;default:0"`
	CreatedAt           time.Time
	UpdatedAt           time.Time
}

type SiteSetting struct {
	Key       string `gorm:"primaryKey;size:100"`
	Value     string `gorm:"type:text"`
	CreatedAt time.Time
	UpdatedAt time.Time
}

func AutoMigrateModels() []any {
	return []any{
		&User{},
		&APIKey{},
		&ShowcaseItem{},
		&EventLog{},
		&ModelConfig{},
		&CDKCode{},
		&TokenAccount{},
		&RefreshProfile{},
		&SiteSetting{},
		&StatCounter{},
		&ConcurrencyGroup{},
	}
}

// ConcurrencyGroup caps how many generations a member user may run AT ONCE
// (across their API key + 画图台). MaxConcurrency 0 = unlimited. Exactly one
// group is IsDefault — new users are bound to it and it can't be deleted.
type ConcurrencyGroup struct {
	ID             string `gorm:"primaryKey;size:32"`
	Name           string `gorm:"size:100;not null"`
	MaxConcurrency int    `gorm:"not null;default:10"` // 0 = 不限制
	IsDefault      bool   `gorm:"not null;default:false;index"`
	CreatedAt      time.Time
	UpdatedAt      time.Time
}

// StatCounter is a persistent monotonic counter (key → value), independent of the
// event_log (which is retention-pruned / clearable). Used for the dashboard
// cumulative cards (total/success/failed/image/video/api) so they never reset.
type StatCounter struct {
	Key       string `gorm:"primaryKey;size:64"`
	Value     int64  `gorm:"not null;default:0"`
	UpdatedAt time.Time
}