package httpapi

import (
	"context"
	"knowledge-governance/internal/dobotaiops"
	"knowledge-governance/internal/qaopsquality"
	"net/http"
	"strings"
)

func masterNoStore(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if strings.HasPrefix(r.URL.Path, "/api/v1/qa-ops/master/") || strings.HasPrefix(r.URL.Path, "/api/v1/qa-ops/departments/") {
			w.Header().Set("Cache-Control", "no-store")
			w.Header().Set("Pragma", "no-cache")
		}
		next.ServeHTTP(w, r)
	})
}

// Master reads and reviews own their state; no source client is accepted as fallback.
type qaMasterStore interface {
	ListMasterRecords(context.Context, dobotaiops.RecordQuery) (dobotaiops.RecordPage, error)
	GetMasterRecord(context.Context, string, string) (dobotaiops.Record, error)
	ReadMasterQualityScope(context.Context, dobotaiops.RecordQuery) (dobotaiops.QualityScope, error)
	MasterQualityStore() *qaopsquality.Store
}
type qaMasterReader struct {
	QAOpsReader
	master qaMasterStore
}

func (s qaMasterReader) ListRecords(ctx context.Context, q dobotaiops.RecordQuery) (dobotaiops.RecordPage, error) {
	return s.master.ListMasterRecords(ctx, q)
}
func (s qaMasterReader) GetRecord(ctx context.Context, tenant, id string) (dobotaiops.Record, error) {
	return s.master.GetMasterRecord(ctx, tenant, id)
}
func (s qaMasterReader) ReadQualityScope(ctx context.Context, q dobotaiops.RecordQuery) (dobotaiops.QualityScope, error) {
	return s.master.ReadMasterQualityScope(ctx, q)
}
func (s qaMasterReader) ReadStoredQuality(ctx context.Context, keys []dobotaiops.QualityKey) (map[string]qaopsquality.View, error) {
	if reader, ok := s.master.(interface {
		ReadMasterQualityViews(context.Context, []dobotaiops.QualityKey) (map[string]qaopsquality.View, error)
	}); ok {
		return reader.ReadMasterQualityViews(ctx, keys)
	}
	return s.master.MasterQualityStore().ReadViews(ctx, keys)
}
func withQAMaster(w http.ResponseWriter, r *http.Request, c Config, handler func(http.ResponseWriter, *http.Request, Config)) {
	if !authorizeQAOps(w, r) {
		return
	}
	master, ok := c.QAOps.(qaMasterStore)
	if !ok {
		qaOpsError(w, dobotaiops.ErrUnavailable)
		return
	}
	c.QAOps = qaMasterReader{QAOpsReader: c.QAOps, master: master}
	c.QAQuality = master.MasterQualityStore()
	if master.MasterQualityStore() == nil {
		c.QAQuality = nil
	}
	handler(w, r, c)
}