//go:build llm_script && !scripts_pkg

package main

import (
	"database/sql"
	"encoding/json"
	"fmt"
	"log"
	"os"
	"strings"
	"time"

	_ "github.com/lib/pq"
)

type RawData struct {
	Zhipu []struct {
		Model       string `json:"model"`
		Context     string `json:"context"`
		InputPrice  string `json:"inputPrice"`
		OutputPrice string `json:"outputPrice"`
		Operator    string `json:"operator"`
		Region      string `json:"region"`
		Currency    string `json:"currency"`
	} `json:"zhipu"`
	Baidu []struct {
		Model       string   `json:"model"`
		Type        string   `json:"type"`
		InputPrice  *float64 `json:"inputPrice"`
		OutputPrice *float64 `json:"outputPrice"`
		Operator    string   `json:"operator"`
		Region      string   `json:"region"`
		Currency    string   `json:"currency"`
	} `json:"baidu"`
}

type ModelPricing struct {
	ModelID         string
	ModelName       string
	ProviderName    string
	ProviderCountry string
	OperatorName    string
	OperatorType    string
	Region          string
	Currency        string
	InputPrice      float64
	OutputPrice     float64
	ContextLength   int
	IsFree          bool
	SourceURL       string
	ModelSourceURL  string
	ReleaseDate     string
	DateConfidence  string
	DateSourceKind  string
	Modality        string
	SceneTags       []string
}

func releaseDateValue(raw string) any {
	if strings.TrimSpace(raw) == "" {
		return nil
	}
	parsed, err := time.Parse("2006-01-02", raw)
	if err != nil {
		return nil
	}
	return parsed
}

type baiduModelMetadata struct {
	Prefix         string
	ReleaseDate    string
	ModelSourceURL string
	DateConfidence string
	DateSourceKind string
}

var baiduModelMetadataRules = []baiduModelMetadata{
	{
		Prefix:         "baidu-ernie-5.0",
		ReleaseDate:    "2026-01-22",
		ModelSourceURL: "https://cloud.baidu.com/news/news_eacd0f0b-0ca3-4963-aec8-5e6b9ebef9ba",
		DateConfidence: "official_primary",
		DateSourceKind: "official_announcement",
	},
	{
		Prefix:         "baidu-ernie-x1.1",
		ReleaseDate:    "2025-09-09",
		ModelSourceURL: "https://cloud.baidu.com/news/news_be713ff4-8477-4852-88f1-9cc56c406d6a",
		DateConfidence: "official_primary",
		DateSourceKind: "official_announcement",
	},
	{
		Prefix:         "baidu-ernie-5.1",
		ReleaseDate:    "2026-05-09",
		ModelSourceURL: "https://ernie.baidu.com/blog/posts/ernie-5.1-0508-release/",
		DateConfidence: "official_primary",
		DateSourceKind: "official_announcement",
	},
	{
		Prefix:         "baidu-ernie-4.5-turbo-vl",
		ReleaseDate:    "2025-08-07",
		ModelSourceURL: "https://cloud.baidu.com/product/wenxinworkshop.html",
		DateConfidence: "secondary_authoritative",
		DateSourceKind: "secondary_authoritative_report",
	},
	{
		Prefix:         "baidu-ernie-4.5-turbo",
		ReleaseDate:    "2025-04-25",
		ModelSourceURL: "https://cloud.baidu.com/article/3887765",
		DateConfidence: "official_primary",
		DateSourceKind: "official_announcement",
	},
	{
		Prefix:         "baidu-ernie-x1-turbo",
		ReleaseDate:    "2025-04-25",
		ModelSourceURL: "https://cloud.baidu.com/article/3887765",
		DateConfidence: "official_primary",
		DateSourceKind: "official_announcement",
	},
	{
		Prefix:         "baidu-ernie-4.5",
		ReleaseDate:    "2025-03-16",
		ModelSourceURL: "https://cloud.baidu.com/article/3835921",
		DateConfidence: "official_primary",
		DateSourceKind: "official_announcement",
	},
	{
		Prefix:         "baidu-ernie-x1",
		ReleaseDate:    "2025-03-16",
		ModelSourceURL: "https://cloud.baidu.com/article/3835921",
		DateConfidence: "official_primary",
		DateSourceKind: "official_announcement",
	},
	{
		Prefix:         "baidu-ernie-character",
		ReleaseDate:    "2024-03-22",
		ModelSourceURL: "https://cloud.baidu.com/news/news_667c065f-0bd7-475d-98c2-901763d0ee77",
		DateConfidence: "official_primary",
		DateSourceKind: "official_announcement",
	},
	{
		Prefix:         "baidu-ernie-lite-pro",
		ReleaseDate:    "2024-03-22",
		ModelSourceURL: "https://cloud.baidu.com/news/news_667c065f-0bd7-475d-98c2-901763d0ee77",
		DateConfidence: "official_primary",
		DateSourceKind: "official_announcement",
	},
	{
		Prefix:         "baidu-ernie-speed-pro",
		ReleaseDate:    "2024-03-22",
		ModelSourceURL: "https://cloud.baidu.com/news/news_667c065f-0bd7-475d-98c2-901763d0ee77",
		DateConfidence: "official_primary",
		DateSourceKind: "official_announcement",
	},
	{
		Prefix:         "baidu-qianfan-",
		DateConfidence: "unknown",
		DateSourceKind: "catalog_backfill",
	},
	{
		Prefix:         "baidu-deepseek-",
		DateConfidence: "unknown",
		DateSourceKind: "catalog_backfill",
	},
	{
		Prefix:         "baidu-glm-",
		DateConfidence: "unknown",
		DateSourceKind: "catalog_backfill",
	},
	{
		Prefix:         "baidu-qwen",
		DateConfidence: "unknown",
		DateSourceKind: "catalog_backfill",
	},
	{
		Prefix:         "baidu-minimax-",
		DateConfidence: "unknown",
		DateSourceKind: "catalog_backfill",
	},
	{
		Prefix:         "baidu-kimi-",
		DateConfidence: "unknown",
		DateSourceKind: "catalog_backfill",
	},
	{
		Prefix:         "baidu-internvl",
		DateConfidence: "unknown",
		DateSourceKind: "catalog_backfill",
	},
}

func enrichBaiduModelMetadata(model ModelPricing) ModelPricing {
	normalizedID := strings.ToLower(model.ModelID)
	for _, metadata := range baiduModelMetadataRules {
		if strings.HasPrefix(normalizedID, metadata.Prefix) {
			if metadata.ReleaseDate != "" {
				model.ReleaseDate = metadata.ReleaseDate
			}
			if metadata.ModelSourceURL != "" {
				model.ModelSourceURL = metadata.ModelSourceURL
			}
			if metadata.DateConfidence != "" {
				model.DateConfidence = metadata.DateConfidence
			}
			if metadata.DateSourceKind != "" {
				model.DateSourceKind = metadata.DateSourceKind
			}
			return model
		}
	}
	if model.ModelSourceURL == "" {
		model.ModelSourceURL = model.SourceURL
	}
	if model.DateConfidence == "" {
		model.DateConfidence = "unknown"
	}
	if model.DateSourceKind == "" {
		model.DateSourceKind = "unknown"
	}
	return model
}

func hasExplicitModelMetadata(model ModelPricing) bool {
	return strings.TrimSpace(model.ReleaseDate) != "" ||
		firstNonEmpty(model.ModelSourceURL) != "" && model.ModelSourceURL != model.SourceURL ||
		strings.TrimSpace(model.DateConfidence) != "" && model.DateConfidence != "unknown" ||
		strings.TrimSpace(model.DateSourceKind) != "" && model.DateSourceKind != "unknown"
}

func parseZhipuPrice(s string) float64 {
	// Extract price from strings like "6元", "免费", "限时免费"
	if strings.Contains(s, "免费") {
		return 0
	}
	var f float64
	fmt.Sscanf(s, "%f", &f)
	return f
}

func extractContextLength(context string) int {
	if strings.Contains(context, "1M") || strings.Contains(context, "1000K") {
		return 1000000
	}
	if strings.Contains(context, "200K") {
		return 200000
	}
	if strings.Contains(context, "128K") {
		return 128000
	}
	if strings.Contains(context, "32K") {
		return 32000
	}
	if strings.Contains(context, "8K") {
		return 8000
	}
	if strings.Contains(context, "262144") || strings.Contains(context, "256K") {
		return 262144
	}
	if strings.Contains(context, "8192") {
		return 8192
	}
	return 0
}

func main() {
	dsn := os.Getenv("DATABASE_URL")
	if dsn == "" {
		dsn = "postgres://long@/llm_intelligence?host=/var/run/postgresql"
	}

	db, err := sql.Open("postgres", dsn)
	if err != nil {
		log.Fatal(err)
	}
	defer db.Close()

	// Read raw data
	data, err := os.ReadFile("/tmp/phase2_raw_data.json")
	if err != nil {
		log.Fatal("Failed to read raw data:", err)
	}

	var raw RawData
	if err := json.Unmarshal(data, &raw); err != nil {
		log.Fatal("Failed to parse raw data:", err)
	}

	var prices []ModelPricing
	batchID := "manual-seed"

	// Process Baidu data
	modelPrices := make(map[string]map[string]float64) // model -> type -> price
	for _, b := range raw.Baidu {
		if modelPrices[b.Model] == nil {
			modelPrices[b.Model] = make(map[string]float64)
		}
		if b.InputPrice != nil {
			if strings.Contains(b.Type, "输入") {
				modelPrices[b.Model]["input"] = *b.InputPrice * 1000000 // Convert to per 1M
			}
			if strings.Contains(b.Type, "输出") {
				modelPrices[b.Model]["output"] = *b.InputPrice * 1000000
			}
		}
		if b.OutputPrice != nil {
			if strings.Contains(b.Type, "输出") {
				modelPrices[b.Model]["output"] = *b.OutputPrice * 1000000
			}
		}
	}

	for model, pricesMap := range modelPrices {
		prices = append(prices, enrichBaiduModelMetadata(ModelPricing{
			ModelID:         "baidu-" + strings.ToLower(strings.ReplaceAll(model, " ", "-")),
			ModelName:       model,
			ProviderName:    "Baidu",
			ProviderCountry: "CN",
			OperatorName:    "Baidu Qianfan",
			OperatorType:    "official",
			Region:          "CN",
			Currency:        "CNY",
			InputPrice:      pricesMap["input"],
			OutputPrice:     pricesMap["output"],
			IsFree:          pricesMap["input"] == 0 && pricesMap["output"] == 0,
			SourceURL:       "https://cloud.baidu.com/doc/qianfan/s/wmh4sv6ya",
			Modality:        "text",
		}))
	}

	log.Printf("Parsed %d unique models from Baidu", len(prices))

	// Save to database
	for _, p := range prices {
		// Find or create provider
		var providerID int64
		err := db.QueryRow("SELECT id FROM model_provider WHERE name = $1", p.ProviderName).Scan(&providerID)
		if err == sql.ErrNoRows {
			err = db.QueryRow(
				"INSERT INTO model_provider (name, country, website, status) VALUES ($1, $2, $3, 'active') RETURNING id",
				p.ProviderName, p.ProviderCountry, "",
			).Scan(&providerID)
		}
		if err != nil {
			log.Printf("Provider error: %v", err)
			continue
		}

		// Find or create operator
		var operatorID int64
		err = db.QueryRow("SELECT id FROM operator WHERE name = $1", p.OperatorName).Scan(&operatorID)
		if err == sql.ErrNoRows {
			err = db.QueryRow(
				"INSERT INTO operator (name, country, status) VALUES ($1, $2, 'active') RETURNING id",
				p.OperatorName, p.ProviderCountry,
			).Scan(&operatorID)
		}
		if err != nil {
			log.Printf("Operator error: %v", err)
			continue
		}

		// Find or create model
		var modelID int64
		err = db.QueryRow("SELECT id FROM models WHERE external_id = $1", p.ModelID).Scan(&modelID)
		if err == sql.ErrNoRows {
			err = db.QueryRow(
				`INSERT INTO models (external_id, name, provider_id, modality, context_length, status, source, batch_id, source_url, release_date, date_confidence, date_source_kind) 
				 VALUES ($1, $2, $3, $4, $5, 'active', $6, $7, $8, $9, $10, $11) RETURNING id`,
				p.ModelID, p.ModelName, providerID, p.Modality, p.ContextLength, p.OperatorName, batchID, firstNonEmpty(p.ModelSourceURL, p.SourceURL), releaseDateValue(p.ReleaseDate), p.DateConfidence, p.DateSourceKind,
			).Scan(&modelID)
		}
		if err != nil {
			log.Printf("Model error: %v", err)
			continue
		}
		if _, err := db.Exec(
			`UPDATE models
			 SET source_url = CASE
			                    WHEN $4 THEN $2
			                    ELSE COALESCE(NULLIF(source_url, ''), $2)
			                  END,
			     release_date = CASE
			                      WHEN $4 THEN $3::date
			                      ELSE COALESCE(release_date, $3::date)
			                    END,
			     date_confidence = CASE
			                         WHEN $4 THEN $5
			                         ELSE COALESCE(NULLIF(date_confidence, ''), $5, 'unknown')
			                       END,
			     date_source_kind = CASE
			                          WHEN $4 THEN $6
			                          ELSE COALESCE(NULLIF(date_source_kind, ''), $6, 'unknown')
			                        END,
			     updated_at = CURRENT_TIMESTAMP
			 WHERE id = $1`,
			modelID, firstNonEmpty(p.ModelSourceURL, p.SourceURL), releaseDateValue(p.ReleaseDate), hasExplicitModelMetadata(p), p.DateConfidence, p.DateSourceKind,
		); err != nil {
			log.Printf("Model metadata update error for %s: %v", p.ModelID, err)
		}

		// Insert pricing
		sourceType := p.OperatorType
		freeQuota := ""
		freeLimitations := "[]"
		rateLimit := "{}"
		if p.IsFree {
			sourceType = "free_tier"
			freeQuota = "Imported free-tier pricing entry"
			freeLimitations = `["See source_url for current quota and policy"]`
		}
		_, err = db.Exec(
			`INSERT INTO region_pricing 
			 (model_id, operator_id, region, currency, input_price_per_mtok, output_price_per_mtok, is_free, effective_date, source_url, source_type, free_quota, free_limitations, rate_limit)
			 VALUES ($1, $2, $3, $4, $5, $6, $7, CURRENT_DATE, $8, $9, $10, $11, $12)
			 ON CONFLICT (model_id, operator_id, region, currency, effective_date) 
			 DO UPDATE SET input_price_per_mtok = EXCLUDED.input_price_per_mtok,
			               output_price_per_mtok = EXCLUDED.output_price_per_mtok,
			               is_free = EXCLUDED.is_free,
			               source_type = EXCLUDED.source_type,
			               free_quota = EXCLUDED.free_quota,
			               free_limitations = EXCLUDED.free_limitations,
			               rate_limit = EXCLUDED.rate_limit,
			               updated_at = CURRENT_TIMESTAMP`,
			modelID, operatorID, p.Region, p.Currency, p.InputPrice, p.OutputPrice, p.IsFree, p.SourceURL,
			sourceType, freeQuota, freeLimitations, rateLimit,
		)
		if err != nil {
			log.Printf("Pricing error for %s: %v", p.ModelID, err)
			continue
		}
	}

	log.Printf("Successfully imported %d models into database", len(prices))
}

func firstNonEmpty(values ...string) string {
	for _, value := range values {
		if value != "" {
			return value
		}
	}
	return ""
}