package main

import (
	"fmt"
	homelabv1 "pwa-homelab-mon/gen/homelab/v1"
)

// --- mock mode (MOCK=1): fixture cards for frontend dev on machines without systemd/docker ---

func mockServices() []*homelabv1.Service {
	return []*homelabv1.Service{
		{Kind: homelabv1.ServiceKind_SYSTEMD, Name: "hub-api", State: "active", Substate: "running", LoadState: "loaded", UnitFileState: "enabled"},
		{Kind: homelabv1.ServiceKind_SYSTEMD, Name: "rathole", State: "active", Substate: "running", LoadState: "loaded", UnitFileState: "enabled"},
		{Kind: homelabv1.ServiceKind_SYSTEMD, Name: "hermes-dashboard", State: "inactive", Substate: "dead", LoadState: "loaded", UnitFileState: "disabled"},
		{Kind: homelabv1.ServiceKind_SYSTEMD, Name: "olivetin", State: "failed", Substate: "exit-code", LoadState: "loaded", UnitFileState: "enabled"},
		{Kind: homelabv1.ServiceKind_SYSTEMD, Name: "ntfy", LoadState: "not-found"},
		{Kind: homelabv1.ServiceKind_DOCKER, Name: "affine", State: "active", Substate: "3/3",
			Containers: []string{"affine-self-hosted-1", "affine-migration-1", "affine-redis-1"}},
		{Kind: homelabv1.ServiceKind_DOCKER, Name: "itsaplan", State: "partial", Substate: "1/2",
			Containers: []string{"itsaplan-web-1", "itsaplan-worker-1"}},
		{Kind: homelabv1.ServiceKind_DOCKER, Name: "gitea", State: "inactive", Substate: "0/1", Containers: []string{"gitea"}},
	}
}

// mockAct flips fixture state so the UI reacts to the buttons in mock mode.
func (s *server) mockAct(name string, kind homelabv1.ServiceKind, op string) string {
	for _, svc := range s.mockSvcs {
		if svc.Name != name || svc.Kind != kind {
			continue
		}
		switch op {
		case "start", "restart":
			svc.State, svc.Substate = "active", "running"
			if kind == homelabv1.ServiceKind_DOCKER {
				n := len(svc.Containers)
				svc.Substate = fmt.Sprintf("%d/%d", n, n)
			}
		case "stop":
			svc.State, svc.Substate = "inactive", "dead"
			if kind == homelabv1.ServiceKind_DOCKER {
				svc.Substate = fmt.Sprintf("0/%d", len(svc.Containers))
			}
		}
		return "mock: " + op + " " + name
	}
	return "mock: no card " + name
}

func (s *server) mockInfo(name string, kind homelabv1.ServiceKind) string {
	if kind == homelabv1.ServiceKind_DOCKER {
		return fmt.Sprintf("NAMES                STATUS\n%s-1          Up 2 days\n%s-2          Exited (0) 5 hours ago", name, name)
	}
	return fmt.Sprintf("● %s.service - hub API\n     Loaded: loaded (~/srv/%s.service; enabled)\n     Active: %s (%s) since Mon 2026-08-31 10:00:00 MSK; 2 days ago\n   Main PID: 4242 (hub-api)\n     Memory: 12.3M",
		name, name, mockField(s.mockSvcs, name, "state"), mockField(s.mockSvcs, name, "substate"))
}

// mockField reads a fixture field by name for the info template ("" falls back inside mockField callers).
func mockField(svcs []*homelabv1.Service, name, field string) string {
	for _, svc := range svcs {
		if svc.Name != name {
			continue
		}
		switch field {
		case "state":
			if svc.State != "" {
				return svc.State
			}
		case "substate":
			if svc.Substate != "" {
				return svc.Substate
			}
		}
	}
	if field == "state" {
		return "active"
	}
	return "running"
}