//go:build llm_script

package main

import (
	"fmt"
	"regexp"
	"strings"
)

const defaultYoudaoPricingURL = "https://ai.youdao.com/new/model-service"

var youdaoCardPattern = regexp.MustCompile(`(?s)([A-Za-z0-9.+\- ]+)\n([A-Za-z][A-Za-z0-9 ]+)\n.*?上下文长度\s*([0-9A-Za-z., ]+)\n.*?输入[:：]?\s*¥?([\d.]+)\n.*?输出[:：]?\s*¥?([\d.]+)\n.*?(查看详情|即将上线)`)

func parseYoudaoPricingCatalog(raw string) ([]officialPricingRecord, error) {
	matches := youdaoCardPattern.FindAllStringSubmatch(raw, -1)
	if len(matches) == 0 {
		return nil, fmt.Errorf("unexpected youdao pricing content")
	}

	records := make([]officialPricingRecord, 0, len(matches))
	for _, match := range matches {
		modelName := strings.TrimSpace(match[1])
		providerName := normalizeYoudaoProvider(match[2])
		if strings.TrimSpace(match[6]) != "查看详情" {
			continue
		}
		providerNameCn, providerCountry, providerWebsite := providerMetadata(providerName)
		record := officialPricingRecord{
			ModelID:         normalizeExternalID("youdao", modelName),
			ModelName:       modelName,
			ProviderName:    providerName,
			ProviderNameCn:  providerNameCn,
			ProviderCountry: providerCountry,
			ProviderWebsite: providerWebsite,
			OperatorName:    "Youdao Zhiyun MaaS",
			OperatorNameCn:  "有道智云 MaaS",
			OperatorCountry: "CN",
			OperatorWebsite: "https://sf.163.com",
			OperatorType:    "relay",
			Region:          "CN",
			Currency:        "CNY",
			InputPrice:      mustParseSubscriptionPrice(match[4]),
			OutputPrice:     mustParseSubscriptionPrice(match[5]),
			ContextLength:   parseContextLengthCommon(match[3]),
			SourceURL:       defaultYoudaoPricingURL,
			ModelSourceURL:  defaultYoudaoPricingURL,
			DateConfidence:  "unknown",
			DateSourceKind:  "official_product_page",
			Modality:        detectModality(modelName),
		}
		record.IsFree = record.InputPrice == 0 && record.OutputPrice == 0
		records = append(records, record)
	}
	if len(records) == 0 {
		return nil, fmt.Errorf("no active youdao pricing cards found")
	}
	return records, nil
}

func normalizeYoudaoProvider(raw string) string {
	switch strings.ToLower(strings.TrimSpace(raw)) {
	case "deepseek":
		return "DeepSeek"
	case "qwen":
		return "Qwen"
	case "kimi":
		return "Moonshot AI"
	case "minimax":
		return "MiniMax"
	case "zhipu":
		return "Zhipu AI"
	default:
		return strings.TrimSpace(raw)
	}
}