package handler

import (
	"net/http"

	"dealroom/templates"
)

func (h *Handler) handleAnalytics(w http.ResponseWriter, r *http.Request) {
	profile := getProfile(r.Context())
	dealID := r.URL.Query().Get("deal_id")

	deals := h.getDeals(profile)

	var dealCount, fileCount, requestCount, fulfilledCount int

	if dealID != "" {
		h.db.QueryRow("SELECT COUNT(*) FROM deals WHERE id = ? AND organization_id = ? AND is_archived = 0", dealID, profile.OrganizationID).Scan(&dealCount)
		h.db.QueryRow("SELECT COUNT(*) FROM files WHERE deal_id = ?", dealID).Scan(&fileCount)
		h.db.QueryRow("SELECT COUNT(*) FROM diligence_requests WHERE deal_id = ?", dealID).Scan(&requestCount)
		h.db.QueryRow("SELECT COUNT(*) FROM diligence_requests WHERE deal_id = ? AND atlas_status = 'fulfilled'", dealID).Scan(&fulfilledCount)
	} else {
		h.db.QueryRow("SELECT COUNT(*) FROM deals WHERE organization_id = ? AND is_archived = 0", profile.OrganizationID).Scan(&dealCount)
		h.db.QueryRow("SELECT COUNT(*) FROM files f JOIN deals d ON f.deal_id = d.id WHERE d.organization_id = ?", profile.OrganizationID).Scan(&fileCount)
		h.db.QueryRow("SELECT COUNT(*) FROM diligence_requests r JOIN deals d ON r.deal_id = d.id WHERE d.organization_id = ?", profile.OrganizationID).Scan(&requestCount)
		h.db.QueryRow("SELECT COUNT(*) FROM diligence_requests r JOIN deals d ON r.deal_id = d.id WHERE d.organization_id = ? AND r.atlas_status = 'fulfilled'", profile.OrganizationID).Scan(&fulfilledCount)
	}

	completionPct := 0
	if requestCount > 0 {
		completionPct = (fulfilledCount * 100) / requestCount
	}

	stats := &templates.AnalyticsStats{
		DealCount:     dealCount,
		FileCount:     fileCount,
		RequestCount:  requestCount,
		CompletionPct: completionPct,
	}

	templates.AnalyticsPage(profile, stats, deals, dealID).Render(r.Context(), w)
}