package service

import (
	"github.com/gogf/gf/v2/container/gvar"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/os/gctx"
	"github.com/gogf/gf/v2/util/gconv"
	"log"
	"regexp"
	"strings"
)

var (
	clearPatterns                     = g.Config().MustGet(gctx.New(), "clearPatterns").Strings()
	bidCommonwealth_blacklistPatterns = g.Config().MustGet(gctx.New(), "bidCommonwealth.blacklistPatterns").Strings()
	bidCommonwealth_whitelistPatterns = g.Config().MustGet(gctx.New(), "bidCommonwealth.whitelistPatterns").Strings()
	bidCommonwealth_modelPatterns     = g.Config().MustGet(gctx.New(), "bidCommonwealth.modelPatterns").Strings()
	bidCommonwealth_firstWinnerOrder  = g.Config().MustGet(gctx.New(), "bidCommonwealth.firstWinnerOrder").String()
	quoteModeRules                    = g.Config().MustGet(gctx.New(), "quoteMode.rules").Maps()
	quoteMode_modelPatterns           = g.Config().MustGet(gctx.New(), "quoteMode.modelPatterns").Strings()
	allQuoteMode                      = map[string]bool{}
	showOnlyOnce                      = [][]string{}
)

func init() {
	for _, v := range g.Config().MustGet(gctx.New(), "bidCommonwealth.showOnlyOnce").Array() {
		showOnlyOnce = append(showOnlyOnce, gconv.Strings(v))
	}
	for _, v := range quoteModeRules {
		vv := gvar.New(v).MapStrVar()
		allQuoteMode[vv["mode"].String()] = true
	}
}

type Rule struct{}

// 判断是否是联合体中标
func (r *Rule) Execute(b *BidInfo) (bool, string, int, map[string]interface{}) {
	bc := r.bidCommonwealth(b)
	quoteMode := r.quoteMode(b)
	if bc == -2 && quoteMode == "大模型识别" {
		_, quoteMode, bc, _ = (&Model{}).Do(b, 2)
	} else if bc == -2 {
		_, _, bc, _ = (&Model{}).Do(b, 3)
	} else if quoteMode == "大模型识别" {
		_, quoteMode, _, _ = (&Model{}).Do(b, 1)
	}
	if (quoteMode == "" || quoteMode == "无法识别") && b.Bidamount > 0 {
		quoteMode = "整体报价模式"
	}
	log.Println(b.Id, "规则", "报价模式", quoteMode, "中标联合体", bc)
	return true, quoteMode, bc, nil
}

// 识别中标联合体
func (r *Rule) quoteMode(b *BidInfo) string {
	for _, line := range strings.Split(b.Detail, "\n") {
		for _, v := range quoteModeRules {
			vv := gvar.New(v).MapStrVar()
			if r.matchAnyPattern(line, vv["patterns"].Strings()) {
				return vv["mode"].String()
			}
		}
	}
	if r.matchAnyPattern(b.Detail, quoteMode_modelPatterns) {
		return "大模型识别"
	}
	return ""
}

// 识别中标联合体
func (r *Rule) bidCommonwealth(b *BidInfo) int {
	if len(b.WinnerOrder) > 0 {
		if regexp.MustCompile(bidCommonwealth_firstWinnerOrder).MatchString(b.WinnerOrder[0]) {
			return 1
		}
		return -1
	}
	for _, v := range strings.Split(b.KvText, "\n") {
		if r.matchAnyPattern(v, bidCommonwealth_whitelistPatterns) {
			return 1
		}
	}
	v := b.Detail
	// Step 1: 排除黑名单
	if r.matchAnyPattern(v, bidCommonwealth_blacklistPatterns) {
		return -1
	}
	if r.matchOnlyOnce(v) {
		return 1
	}
	// Step 2: 精准匹配白名单
	if r.matchAnyPattern(v, bidCommonwealth_whitelistPatterns) {
		return 1
	}
	// Step 3: 检查“中标”附近是否有“联合体”
	index := strings.Index(v, "中标")
	if index != -1 {
		start := max(0, index-50)
		end := min(len(v), index+50)
		contextAroundWin := v[start:end]
		if strings.Contains(contextAroundWin, "联合体") {
			return 1
		}
	}
	if r.matchAnyPattern(v, bidCommonwealth_modelPatterns) {
		return -2
	}
	return -1
}

// 匹配任意模式
func (r *Rule) matchAnyPattern(text string, patterns []string) bool {
	for _, pattern := range patterns {
		if strings.HasPrefix(pattern, "全部包含：") {
			vs := strings.Split(strings.TrimPrefix(pattern, "全部包含："), "+")
			index := 0
			for _, v := range vs {
				if strings.Contains(text, v) {
					index++
				}
			}
			if index == len(vs) {
				log.Println(pattern)
				return true
			}
			continue
		}
		if matched, _ := regexp.MatchString(pattern, text); matched {
			log.Println(pattern)
			return true
		}
	}
	return false
}

func (r *Rule) matchOnlyOnce(text string) bool {
	for _, v := range showOnlyOnce {
		count := 0
		for _, vv := range v {
			if len(regexp.MustCompile(vv).FindAllString(text, -1)) != 1 {
				break
			}
			count++
		}
		if count > 0 && count == len(v) {
			return true
		}
	}
	return false
}