package common

import (
	"encoding/json"
	"time"

	"github.com/google/uuid"
	"gorm.io/gorm"
)

// Platform represents supported social media platforms
type Platform string

const (
	PlatformInstagram Platform = "instagram"
	PlatformTikTok    Platform = "tiktok"
	PlatformYoutube   Platform = "youtube"
)

// String converts Platform to string
func (p Platform) String() string {
	return string(p)
}

// TrendAnalysis represents a trend analysis result
type TrendAnalysis struct {
	ID        uuid.UUID       `gorm:"type:uuid;primary_key" json:"id"`
	ProfileID uuid.UUID       `gorm:"type:uuid" json:"profile_id"`
	Type      string          `gorm:"not null" json:"type"` // social, google, audience
	Data      json.RawMessage `gorm:"type:jsonb" json:"data"`
	CreatedAt time.Time       `json:"created_at"`
	UpdatedAt time.Time       `json:"updated_at"`
	DeletedAt gorm.DeletedAt  `gorm:"index" json:"-"`
}

// SocialProfile represents a social media profile
type SocialProfile struct {
	ID            uuid.UUID      `gorm:"type:uuid;primary_key" json:"id"`
	Platform      string         `gorm:"not null" json:"platform"`
	Username      string         `gorm:"not null" json:"username"`
	ProfileURL    string         `gorm:"not null" json:"profile_url"`
	FollowerCount int64          `json:"follower_count"`
	Engagement    float64        `json:"engagement"`
	CreatedAt     time.Time      `json:"created_at"`
	UpdatedAt     time.Time      `json:"updated_at"`
	DeletedAt     gorm.DeletedAt `gorm:"index" json:"-"`
}

// AudienceInsight represents audience analysis data
type AudienceInsight struct {
	ID            uuid.UUID       `gorm:"type:uuid;primary_key" json:"id"`
	ProfileID     uuid.UUID       `gorm:"type:uuid" json:"profile_id"`
	Demographics  json.RawMessage `gorm:"type:jsonb" json:"demographics"`
	Interests     json.RawMessage `gorm:"type:jsonb" json:"interests"`
	ActivityTimes json.RawMessage `gorm:"type:jsonb" json:"activity_times"`
	CreatedAt     time.Time       `json:"created_at"`
	UpdatedAt     time.Time       `json:"updated_at"`
	DeletedAt     gorm.DeletedAt  `gorm:"index" json:"-"`
}

// GoogleTrend represents Google Trends data
type GoogleTrend struct {
	ID        uuid.UUID       `gorm:"type:uuid;primary_key" json:"id"`
	Keywords  []string        `gorm:"type:text[]" json:"keywords"`
	TrendData json.RawMessage `gorm:"type:jsonb" json:"trend_data"`
	StartDate time.Time       `json:"start_date"`
	EndDate   time.Time       `json:"end_date"`
	CreatedAt time.Time       `json:"created_at"`
	UpdatedAt time.Time       `json:"updated_at"`
	DeletedAt gorm.DeletedAt  `gorm:"index" json:"-"`
}

type ContentTrend struct {
	TrendType TrendType   `json:"trend_type"`
	Items     []TrendItem `json:"items"`
	Timeframe string      `json:"timeframe"`
	Platform  Platform    `json:"platform"`
}

type TrendType string

const (
	TrendTypeHashtags    TrendType = "hashtags"
	TrendTypeKeywords    TrendType = "keywords"
	TrendTypeTopics      TrendType = "topics"
	TrendTypePhrases     TrendType = "phrases"
	TrendTypeMusicTracks TrendType = "music_tracks"
	TrendTypeChallenges  TrendType = "challenges"
)

type TrendItem struct {
	Value      string    `json:"value"`
	Frequency  int       `json:"frequency"`
	GrowthRate float64   `json:"growth_rate"`
	Examples   []string  `json:"examples"`
	FirstSeen  time.Time `json:"first_seen"`
}

type ProductSuggestion struct {
	ID             uuid.UUID      `gorm:"type:uuid;primary_key" json:"id"`
	UserID         string         `gorm:"not null" json:"user_id"`
	Name           string         `json:"name"`
	Description    string         `json:"description"`
	TargetAudience string         `json:"target_audience"`
	RelevanceScore float64        `json:"relevance_score"`
	SuccessFactors []string       `gorm:"type:text[]" json:"success_factors"`
	CreatedAt      time.Time      `json:"created_at"`
	UpdatedAt      time.Time      `json:"updated_at"`
	DeletedAt      gorm.DeletedAt `gorm:"index" json:"-"`
}

type TrendQuery struct {
	Platform   *Platform   `form:"platform"`
	TrendTypes []TrendType `form:"trend_types"`
	Timeframe  *string     `form:"timeframe"`
}

type GetSuggestionsRequest struct {
	UserID  string   `json:"user_id"`
	Socials []Social `json:"socials"`
}

type Social struct {
	Platform Platform `json:"platform"`
	Username string   `json:"username"`
}