package handlers

import (
	"net/http"

	bloomtypes "github.com/oy/openyield/x/bloom/types"
)

// registerBloom wires the Bloom accrual route (REQ-044).
func (s *Server) registerBloom(mux *http.ServeMux) {
	mux.HandleFunc("GET /bloom/{stashID}", s.handleBloom)
}

// bloomViewData is the template data for the Bloom accrual view.
type bloomViewData struct {
	StashID         string
	Found           bool
	Record          bloomtypes.BloomRecord
	RatePct         float64 // RateBasisPoints as a percentage (450 -> 4.5)
	TargetRatePct   float64 // TargetBloomRateBasisPoints as %
	MinRatePct      float64
	MaxRatePct      float64
	AccrualPeriod   int64
	MissionLockNote string
}

// handleBloom renders the Bloom accrual view (REQ-044): per-Stash BloomRecord
// (AccruedGrain, RateBasisPoints as %, LastAccrualBlock) + the 4.5% target rate
// (read from x/bloom/types.TargetBloomRateBasisPoints — D-073 code-constant
// source-of-truth, NOT hardcoded). Bloom is conceptually close to a banned
// financial term; labels use "Bloom"/"real production"/"accrual" only.
func (s *Server) handleBloom(w http.ResponseWriter, r *http.Request) {
	stashID := r.PathValue("stashID")
	rec, ok := s.Store.GetBloomRecord(stashID)
	if !ok {
		http.NotFound(w, r)
		return
	}
	s.render(w, "bloom.html", bloomViewData{
		StashID:         stashID,
		Found:           true,
		Record:          rec,
		RatePct:         float64(rec.RateBasisPoints) / 100,
		TargetRatePct:   float64(bloomtypes.TargetBloomRateBasisPoints) / 100,
		MinRatePct:      float64(bloomtypes.MinBloomRateBasisPoints) / 100,
		MaxRatePct:      float64(bloomtypes.MaxBloomRateBasisPoints) / 100,
		AccrualPeriod:   bloomtypes.AccrualPeriodBlocks,
		MissionLockNote: bloomtypes.MissionLockBloom,
	})
}