package index

import (
	"context"
	"errors"
	"testing"
	"time"

	"es-demo/client"
)

func TestPutTemplate(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping integration test in short mode")
	}

	cfg := &client.Config{
		Endpoint:  "https://example.com",
		Region:    "us-east-1",
		AccessKey: "test-key",
		SecretKey: "test-secret",
	}

	c, err := client.NewClient(cfg)
	if err != nil {
		t.Fatalf("failed to create client: %v", err)
	}

	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()

	template := &Template{
		IndexPatterns: []string{"test-*"},
		Settings: map[string]any{
			"number_of_shards":   1,
			"number_of_replicas": 0,
		},
		Mappings: map[string]any{
			"properties": map[string]any{
				"timestamp": map[string]any{
					"type": "date",
				},
			},
		},
	}

	// This will fail without a real cluster
	err = PutTemplate(ctx, c, "test-template", template)
	if err == nil {
		t.Log("PutTemplate succeeded (unexpected in unit test)")
	}
}

func TestGetTemplate(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping integration test in short mode")
	}

	cfg := &client.Config{
		Endpoint:  "https://example.com",
		Region:    "us-east-1",
		AccessKey: "test-key",
		SecretKey: "test-secret",
	}

	c, err := client.NewClient(cfg)
	if err != nil {
		t.Fatalf("failed to create client: %v", err)
	}

	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()

	// This will fail without a real cluster
	_, err = GetTemplate(ctx, c, "test-template")
	if err == nil {
		t.Log("GetTemplate succeeded (unexpected in unit test)")
	}
}

func TestDeleteTemplate(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping integration test in short mode")
	}

	cfg := &client.Config{
		Endpoint:  "https://example.com",
		Region:    "us-east-1",
		AccessKey: "test-key",
		SecretKey: "test-secret",
	}

	c, err := client.NewClient(cfg)
	if err != nil {
		t.Fatalf("failed to create client: %v", err)
	}

	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()

	// This will fail without a real cluster
	err = DeleteTemplate(ctx, c, "test-template")
	if err == nil {
		t.Log("DeleteTemplate succeeded (unexpected in unit test)")
	}
}

func TestListTemplates(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping integration test in short mode")
	}

	cfg := &client.Config{
		Endpoint:  "https://example.com",
		Region:    "us-east-1",
		AccessKey: "test-key",
		SecretKey: "test-secret",
	}

	c, err := client.NewClient(cfg)
	if err != nil {
		t.Fatalf("failed to create client: %v", err)
	}

	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()

	// This will fail without a real cluster
	_, err = ListTemplates(ctx, c)
	if err == nil {
		t.Log("ListTemplates succeeded (unexpected in unit test)")
	}
}

func TestTemplate_Validate(t *testing.T) {
	tests := []struct {
		name     string
		template *Template
		wantErr  error
	}{
		{
			name: "valid template",
			template: &Template{
				IndexPatterns: []string{"logs-*"},
				Settings: map[string]any{
					"number_of_shards": 1,
				},
			},
			wantErr: nil,
		},
		{
			name:     "nil template",
			template: nil,
			wantErr:  ErrInvalidTemplate,
		},
		{
			name: "empty index patterns",
			template: &Template{
				IndexPatterns: []string{},
			},
			wantErr: ErrInvalidTemplate,
		},
		{
			name: "nil index patterns",
			template: &Template{
				IndexPatterns: nil,
			},
			wantErr: ErrInvalidTemplate,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			err := validateTemplate(tt.template)
			if !errors.Is(err, tt.wantErr) {
				t.Errorf("validateTemplate() error = %v, wantErr %v", err, tt.wantErr)
			}
		})
	}
}