package handlers

import (
	"net/http"

	"github.com/breakpilot/ai-compliance-sdk/internal/iace"
	"github.com/gin-gonic/gin"
)

// ListMinimumDistances handles GET /minimum-distances.
// Read-only OSHA safety-distance reference (29 CFR 1910, US public domain)
// plus the curated measure→distance link table, so an auditor can see WHERE a
// measure's mm figure comes from. Optional ?measure_id= returns only the
// distances (and links) tied to that protective measure.
func (h *IACEHandler) ListMinimumDistances(c *gin.Context) {
	if mid := c.Query("measure_id"); mid != "" {
		c.JSON(http.StatusOK, gin.H{
			"measure_id": mid,
			"distances":  iace.MinimumDistancesForMeasure(mid),
			"links":      iace.LinksForMeasure(mid),
			"note":       iace.MinimumDistanceNote,
		})
		return
	}
	c.JSON(http.StatusOK, gin.H{
		"distances": iace.GetOSHAMinimumDistances(),
		"links":     iace.AllMeasureDistanceLinks(),
		"note":      iace.MinimumDistanceNote,
	})
}