package httpapi

import "net/http"

// route is one entry of the Control API route table. The access level is
// mandatory: every route must state who may call it, so a new endpoint cannot
// be exposed by accident. The same table is used by the tests.
type route struct {
	Pattern string
	Handler http.HandlerFunc
	Access  accessLevel
}

// RouteInfo is the exported, handler-free view of a route table entry.
type RouteInfo struct {
	Pattern string
	Access  string // "open", "agent" or "admin"
}

// Routes returns the access classification of every registered route.
func (s *Server) Routes() []RouteInfo {
	table := s.routeTable()
	out := make([]RouteInfo, 0, len(table))
	for _, rt := range table {
		out = append(out, RouteInfo{Pattern: rt.Pattern, Access: rt.Access.String()})
	}
	return out
}

func (s *Server) routes(mux *http.ServeMux) {
	for _, rt := range s.routeTable() {
		mux.HandleFunc(rt.Pattern, s.Auth.require(rt.Access, rt.Handler))
	}
}

func (s *Server) routeTable() []route {
	return []route{
		{"GET /healthz", s.handleHealthz, accessOpen},
		{"POST /api/v1/agents/register", s.handleAgentRegister, accessOpen},
		{"POST /api/v1/agents/{id}/heartbeat", s.handleAgentHeartbeat, accessOpen},
		{"GET /api/v1/agents/{id}/assignment", s.handleAgentAssignment, accessOpen},
		{"GET /api/v1/agents/{id}/observed-ip", s.handleAgentObservedIP, accessOpen},
		{"POST /api/v1/agents/{id}/self-check", s.handleAgentSelfCheck, accessAgent},
		{"POST /api/v1/agents/{id}/events", s.handleAgentEvent, accessAgent},
		{"POST /api/v1/agents/{id}/results", s.handleAgentResults, accessAgent},
		{"POST /api/v1/agents/{id}/complete", s.handleAgentComplete, accessAgent},
		{"POST /api/v1/probers/register", s.handleProberRegister, accessOpen},
		{"POST /api/v1/probers/{site_id}/heartbeat", s.handleProberHeartbeat, accessOpen},
		{"GET /api/v1/probers/{site_id}/assignments", s.handleProberAssignments, accessOpen},
		{"POST /api/v1/probers/{site_id}/results", s.handleProberResults, accessAgent},
		{"GET /api/v1/admin/status", s.handleAdminStatus, accessAdmin},
		{"GET /api/v1/admin/ips", s.handleAdminIPs, accessAdmin},
		{"POST /api/v1/admin/ips", s.handleAdminSubmitIPs, accessAdmin},
		{"POST /api/v1/admin/ips/scan", s.handleAdminScanFloatingIPs, accessAdmin},
		{"GET /api/v1/admin/ips/scan", s.handleAdminScanStatus, accessAdmin},
		{"GET /api/v1/admin/ips/{ip}", s.handleAdminIPDetail, accessAdmin},
		{"POST /api/v1/admin/ips/{ip}/cancel", s.handleAdminCancelIP, accessAdmin},
		{"DELETE /api/v1/admin/ips/{ip}", s.handleAdminDeleteIP, accessAdmin},
		{"POST /api/v1/admin/ips/delete", s.handleAdminDeleteIPs, accessAdmin},
		{"POST /api/v1/admin/ips/clear", s.handleAdminClearQueue, accessAdmin},
		{"GET /api/v1/admin/validators", s.handleAdminValidators, accessAdmin},
		{"GET /api/v1/admin/auto-cycle", s.handleAdminGetAutoCycle, accessAdmin},
		{"PUT /api/v1/admin/auto-cycle", s.handleAdminPutAutoCycle, accessAdmin},
		{"POST /api/v1/admin/auto-cycle/start", s.handleAdminStartAutoCycle, accessAdmin},
		{"POST /api/v1/admin/auto-cycle/stop", s.handleAdminStopAutoCycle, accessAdmin},
		{"GET /api/v1/admin/registry", s.handleAdminRegistry, accessAdmin},
		{"GET /api/v1/admin/registry/{ip}", s.handleAdminRegistryHistory, accessAdmin},
		{"GET /api/v1/admin/config/validators", s.handleConfigListValidators, accessAdmin},
		{"POST /api/v1/admin/config/validators", s.handleConfigCreateValidator, accessAdmin},
		{"PUT /api/v1/admin/config/validators/{id}", s.handleConfigUpdateValidator, accessAdmin},
		{"DELETE /api/v1/admin/config/validators/{id}", s.handleConfigDeleteValidator, accessAdmin},
		{"GET /api/v1/admin/config/sites", s.handleConfigListSites, accessAdmin},
		{"PUT /api/v1/admin/config/sites/{index}", s.handleConfigPutSite, accessAdmin},
		{"DELETE /api/v1/admin/config/sites/{index}", s.handleConfigDeleteSite, accessAdmin},
		{"GET /api/v1/admin/config/targets", s.handleConfigListTargets, accessAdmin},
		{"PUT /api/v1/admin/config/targets/{group}", s.handleConfigPutTargetGroup, accessAdmin},
		{"DELETE /api/v1/admin/config/targets/{group}", s.handleConfigDeleteTargetGroup, accessAdmin},
		{"GET /api/v1/admin/config/check-types", s.handleConfigListCheckTypes, accessAdmin},
		{"PUT /api/v1/admin/config/check-types/{name}", s.handleConfigPutCheckType, accessAdmin},
		{"DELETE /api/v1/admin/config/check-types/{name}", s.handleConfigDeleteCheckType, accessAdmin},
		{"GET /api/v1/admin/config/orchestrator", s.handleConfigGetOrchestratorSettings, accessAdmin},
		{"PUT /api/v1/admin/config/orchestrator", s.handleConfigPutOrchestratorSettings, accessAdmin},
		{"GET /api/v1/admin/config/inbound-checks", s.handleConfigGetInboundChecks, accessAdmin},
		{"PUT /api/v1/admin/config/inbound-checks", s.handleConfigPutInboundChecks, accessAdmin},
	}
}