package main

import (
	"bytes"
	"context"
	"encoding/json"
	"errors"
	"strings"
	"testing"

	"iop/apps/node/internal/adapters/cli/status"
	"iop/packages/go/config"
)

func TestQuotaProbeCommandEmitsSelectorCompatibleSnapshot(t *testing.T) {
	original := quotaCheckUsage
	t.Cleanup(func() { quotaCheckUsage = original })
	quotaCheckUsage = func(_ context.Context, target string, profile config.CLIProfileConf) (*status.UsageStatus, error) {
		if target != "Gemini 3.6 Flash Medium" || profile.Command != "agy" {
			t.Fatalf("checker input = target=%q command=%q", target, profile.Command)
		}
		return &status.UsageStatus{DailyLimit: "25%", RawOutput: "secret provider output"}, nil
	}

	root := rootCmd()
	var out bytes.Buffer
	root.SetOut(&out)
	root.SetErr(&out)
	root.SetArgs([]string{"quota-probe", "--target", "Gemini 3.6 Flash Medium", "--command", "agy", "--required-cap", "overall", "--checked-at", "2026-07-25T08:00:00Z"})
	if err := root.Execute(); err != nil {
		t.Fatalf("execute: %v\n%s", err, out.String())
	}
	var snapshot status.QuotaSnapshot
	if err := json.Unmarshal(out.Bytes(), &snapshot); err != nil {
		t.Fatalf("decode JSON: %v\n%s", err, out.String())
	}
	if got := snapshot.Targets; len(got) != 1 || got[0].Adapter != "agy" || got[0].Target != "Gemini 3.6 Flash Medium" || got[0].Status != "available" {
		t.Fatalf("selector target entry = %#v", got)
	}
	if strings.Contains(out.String(), "secret provider output") {
		t.Fatalf("raw checker output leaked: %s", out.String())
	}
}

func TestQuotaProbeCommandReturnsUnknownForCheckerError(t *testing.T) {
	original := quotaCheckUsage
	t.Cleanup(func() { quotaCheckUsage = original })
	quotaCheckUsage = func(context.Context, string, config.CLIProfileConf) (*status.UsageStatus, error) {
		return nil, errors.New("provider stderr must not leak")
	}
	root := rootCmd()
	var out bytes.Buffer
	root.SetOut(&out)
	root.SetErr(&out)
	root.SetArgs([]string{"quota-probe", "--target", "sonnet", "--command", "claude", "--required-cap", "overall", "--checked-at", "2026-07-25T08:00:00Z"})
	if err := root.Execute(); err != nil {
		t.Fatalf("execute: %v\n%s", err, out.String())
	}
	if strings.Contains(out.String(), "provider stderr") {
		t.Fatalf("checker error leaked: %s", out.String())
	}
	var snapshot status.QuotaSnapshot
	if err := json.Unmarshal(out.Bytes(), &snapshot); err != nil {
		t.Fatalf("decode JSON: %v", err)
	}
	if snapshot.Targets[0].Status != "unknown" || len(snapshot.ReasonCodes) != 1 || snapshot.ReasonCodes[0] != "checker_error" {
		t.Fatalf("snapshot = %#v", snapshot)
	}
}

func TestQuotaProbeCommandRejectsInvalidCaps(t *testing.T) {
	root := rootCmd()
	var out bytes.Buffer
	root.SetOut(&out)
	root.SetErr(&out)
	root.SetArgs([]string{"quota-probe", "--target", "sonnet", "--command", "claude", "--required-cap", "weekly"})
	if err := root.Execute(); err == nil || !strings.Contains(err.Error(), "invalid required cap") {
		t.Fatalf("error = %v, output=%s", err, out.String())
	}
}

func TestQuotaProbeCommandRejectsEmptyTargetAndCommand(t *testing.T) {
	original := quotaCheckUsage
	t.Cleanup(func() { quotaCheckUsage = original })
	checkerCalled := false
	quotaCheckUsage = func(context.Context, string, config.CLIProfileConf) (*status.UsageStatus, error) {
		checkerCalled = true
		return nil, nil
	}

	for name, args := range map[string][]string{
		"empty_target":       {"quota-probe", "--target=", "--command", "claude", "--required-cap", "overall"},
		"whitespace_target":  {"quota-probe", "--target", " \t ", "--command", "claude", "--required-cap", "overall"},
		"empty_command":      {"quota-probe", "--target", "sonnet", "--command=", "--required-cap", "overall"},
		"whitespace_command": {"quota-probe", "--target", "sonnet", "--command", " \t ", "--required-cap", "overall"},
	} {
		t.Run(name, func(t *testing.T) {
			checkerCalled = false
			root := rootCmd()
			var out bytes.Buffer
			root.SetOut(&out)
			root.SetErr(&out)
			root.SetArgs(args)
			if err := root.Execute(); err == nil || !strings.Contains(err.Error(), "must be non-empty") {
				t.Fatalf("error = %v, output=%s", err, out.String())
			}
			if checkerCalled {
				t.Fatal("checker must not run for empty identity input")
			}
		})
	}
}

func TestQuotaProbeCommandIsHidden(t *testing.T) {
	root := rootCmd()
	probe, _, err := root.Find([]string{"quota-probe"})
	if err != nil {
		t.Fatalf("find quota-probe: %v", err)
	}
	if !probe.Hidden {
		t.Fatal("quota-probe must be hidden")
	}
}