package scenario

import (
	"encoding/json"

	"git.iwork-ai.com/xdc/iqudo-top1/internal/model"
)

func (h *Handler) fieldReferencedByReleasedSOP(scenarioID uint64, fieldKey string, tenantID uint64) bool {
	statuses := []string{"published", "offline", "superseded"}
	var nodes []model.SOPNode
	err := h.db.Table("sop_nodes n").Select("n.*").Joins("JOIN sop_versions sv ON sv.id = n.sop_version_id").Joins("JOIN sops s ON s.id = sv.sop_id").Where("s.scenario_id = ? AND n.tenant_id = ? AND sv.status IN ?", scenarioID, tenantID, statuses).Scan(&nodes).Error
	if err != nil {
		return true
	}
	for _, node := range nodes {
		if jsonReferencesField(node.Config, fieldKey) {
			return true
		}
	}
	var edges []model.SOPEdge
	err = h.db.Table("sop_edges e").Select("e.*").Joins("JOIN sop_versions sv ON sv.id = e.sop_version_id").Joins("JOIN sops s ON s.id = sv.sop_id").Where("s.scenario_id = ? AND e.tenant_id = ? AND sv.status IN ?", scenarioID, tenantID, statuses).Scan(&edges).Error
	if err != nil {
		return true
	}
	for _, edge := range edges {
		if jsonReferencesField(edge.Condition, fieldKey) {
			return true
		}
	}
	return false
}

func jsonReferencesField(raw []byte, fieldKey string) bool {
	var value interface{}
	if err := json.Unmarshal(raw, &value); err != nil {
		return true
	}
	return valueReferencesField(value, fieldKey)
}

func valueReferencesField(value interface{}, fieldKey string) bool {
	switch typed := value.(type) {
	case map[string]interface{}:
		for key, child := range typed {
			if key == "field_key" || key == "field" {
				if child == fieldKey {
					return true
				}
			}
			if valueReferencesField(child, fieldKey) {
				return true
			}
		}
	case []interface{}:
		for _, child := range typed {
			if child == fieldKey || valueReferencesField(child, fieldKey) {
				return true
			}
		}
	}
	return false
}