package main

import (
	"errors"
	"strings"
	"testing"

	"github.com/novox/mesh-controller/internal/conditions"
)

// The verbs of the condition store (novox/hq to-be 45 §2) as the console reaches them, and status led
// by what is open.

func TestTheConditionsVerbComposesEachShape(t *testing.T) {
	for _, c := range []struct {
		args map[string]any
		want string
	}{
		{map[string]any{}, "conditions --json"},
		{map[string]any{"severity": "urgent", "machine": "ace"}, "conditions --json --severity urgent --machine ace"},
		{map[string]any{"key": "machine.ace.silent"}, "conditions show machine.ace.silent --json"},
		{map[string]any{"history": "true", "days": "3", "key": "machine.ace.silent"},
			"conditions history --json --days 3 --key machine.ace.silent"},
		{map[string]any{"silence": "machine.ace.silent", "for": "2h", "why": "on the train"},
			"conditions silence machine.ace.silent --for 2h --why on the train"},
		{map[string]any{"run": "true"}, "doctor run --json"},
		{map[string]any{}, "doctor --json"},
	} {
		verb := "conditions"
		if strings.HasPrefix(c.want, "doctor") {
			verb = "doctor"
		}
		argv, err := argvFor(verb, c.args)
		if err != nil || strings.Join(argv, " ") != c.want {
			t.Errorf("%s %v composed %q (%v), want %q", verb, c.args, strings.Join(argv, " "), err, c.want)
		}
	}
	for _, c := range []struct {
		verb string
		args map[string]any
	}{
		{"conditions", map[string]any{"silence": "machine.ace.silent", "why": "x"}},                           // no for
		{"doctor", map[string]any{"run": "true", "signals": "true"}},                                          // two at once
		{"conditions", map[string]any{"silence": "machine.ace.silent", "for": "1h", "why": "x", "days": "3"}}, // passed over
	} {
		if argv, err := argvFor(c.verb, c.args); err == nil {
			t.Errorf("%s %v composed %v", c.verb, c.args, argv)
		}
	}
	if repairingCommand([]string{"conditions", "silence", "k"}) != "conditions silence" {
		t.Error("a silence is not a hand act")
	}
}

// **A silence through the verb is recorded and bounded**; the condition stays open.
func TestASilenceThroughTheVerbHoldsAndTheConditionStaysOpen(t *testing.T) {
	k, _ := withConditionsInMemory(t)
	ctx := t.Context()
	if _, err := k.Observe(ctx, conditions.Observation{Scope: conditions.ScopeMachine, ID: "ace", Kind: "silent",
		Severity: conditions.Warning, Summary: "ace is silent", Source: "S1"}); err != nil {
		t.Fatal(err)
	}
	if err := conditionsCommand(ctx, []string{"silence", "machine.ace.silent", "--for", "2d"}); err == nil {
		t.Fatal("silenced without saying why")
	}
	if err := conditionsCommand(ctx, []string{"silence", "machine.ace.silent", "--for", "8d", "--why", "x"}); err == nil {
		t.Fatal("silenced for more than a week")
	}
	said := printed(t, func() error {
		return conditionsCommand(ctx, []string{"silence", "machine.ace.silent", "--for", "2d", "--why", "on the train"})
	})
	if !strings.Contains(said, "is silenced until") {
		t.Fatalf("%s", said)
	}
	c, found, _ := k.Get(ctx, "machine.ace.silent")
	if !found || c.Silenced == nil || c.Silenced.Why != "on the train" {
		t.Fatalf("%+v", c)
	}
	listed := printed(t, func() error { return conditionsCommand(ctx, nil) })
	if !strings.Contains(listed, "machine.ace.silent") || !strings.Contains(listed, "silenced until") {
		t.Fatalf("%s", listed)
	}
}

// **Conditions that cannot be read are not none open**: status says so, and is not well.
func TestUnreadableConditionsAreNotAWellMesh(t *testing.T) {
	open := aMesh(t)
	_, store := withConditionsInMemory(t)
	store.Fail = errors.New("the bus is away")
	asked, err := theThreeQuestions(t.Context(), open)
	if err != nil {
		t.Fatal(err)
	}
	if asked.well() || asked.conditionsUnread == "" {
		t.Fatalf("well with its conditions unread: %+v", asked.conditionsUnread)
	}
	said := printed(t, func() error { return printStatus(asked) })
	if !strings.HasPrefix(said, "the open conditions could NOT be read") || strings.Contains(said, "no open conditions") {
		t.Fatalf("%s", said)
	}
	store.Fail = nil
	asked, _ = theThreeQuestions(t.Context(), open)
	said = printed(t, func() error { return printStatus(asked) })
	if asked.well() && !strings.Contains(said, "no open conditions;") {
		t.Fatalf("the all-well sentence does not say no conditions are open:\n%s", said)
	}
}