package api_acladmin

import (
	"encoding/json"
	"log/slog"
	"net/http"
)

const (
	ErrorInvalidRequestBody  = "INVALID_REQUEST_BODY"
	ErrorInternalServerError = "INTERNAL_SERVER_ERROR"

	// Roles
	ErrorFailedToCreateRole = "FAILED_TO_CREATE_ROLE"
	ErrorFailedToGetRole    = "FAILED_TO_GET_ROLE"
	ErrorFailedToUpdateRole = "FAILED_TO_UPDATE_ROLE"
	ErrorFailedToDeleteRole = "FAILED_TO_DELETE_ROLE"

	ErrorInvalidRoleID = "INVALID_ROLE_ID"
	ErrorRoleNotFound  = "ROLE_NOT_FOUND"

	// Resources
	ErrorFailedToCreateResource = "FAILED_TO_CREATE_RESOURCE"
	ErrorFailedToGetResource    = "FAILED_TO_GET_RESOURCE"
	ErrorFailedToUpdateResource = "FAILED_TO_UPDATE_RESOURCE"
	ErrorFailedToDeleteResource = "FAILED_TO_DELETE_RESOURCE"

	ErrorInvalidResourceID = "INVALID_RESOURCE_ID"
	ErrorResourceNotFound  = "RESOURCE_NOT_FOUND"
)

const (
	ErrorACLServiceNotInitialized = "ACL service is not initialized"
)

// RFC-7807 (Problem Details)
type ProblemDetails struct {
	Type     string `json:"type" example:"https://api.triggerssmith.com/errors/role-not-found"`
	Title    string `json:"title" example:"Role not found"`
	Status   int    `json:"status" example:"404"`
	Detail   string `json:"detail" example:"No role with ID 42"`
	Instance string `json:"instance" example:"/api/acl/roles/42"`
}

var typeDomain = "https://api.triggerssmith.com"

func writeProblem(w http.ResponseWriter, status int, typ, title, detail string, r *http.Request) {
	w.Header().Set("Content-Type", "application/problem+json")
	w.WriteHeader(status)
	prob := ProblemDetails{
		Type:     typeDomain + typ,
		Title:    title,
		Status:   status,
		Detail:   detail,
		Instance: r.URL.Path,
	}
	slog.Warn("new problem", "type", typ, "title", title, "detail", detail, "instance", r.URL.Path, "status", status)
	_ = json.NewEncoder(w).Encode(prob)
}