package node

import (
	"testing"

	testingUtils "github.com/railwayapp/railpack/core/testing"
	"github.com/stretchr/testify/require"
)

func TestNode(t *testing.T) {
	tests := []struct {
		name           string
		path           string
		detected       bool
		packageManager PackageManager
		nodeVersion    string
		pnpmVersion    string
	}{
		{
			name:           "npm",
			path:           "../../../examples/node-npm",
			detected:       true,
			packageManager: PackageManagerNpm,
			nodeVersion:    "23.5.0",
		},
		{
			name:           "bun",
			path:           "../../../examples/node-bun",
			detected:       true,
			packageManager: PackageManagerBun,
		},
		{
			name:           "pnpm",
			path:           "../../../examples/node-corepack",
			detected:       true,
			packageManager: PackageManagerPnpm,
			nodeVersion:    "20",
			pnpmVersion:    "10.4.1",
		},
		{
			name:           "pnpm",
			path:           "../../../examples/node-pnpm-workspaces",
			detected:       true,
			packageManager: PackageManagerPnpm,
			nodeVersion:    "22.2.0",
		},
		{
			name:           "pnpm",
			path:           "../../../examples/node-astro",
			detected:       true,
			packageManager: PackageManagerNpm,
		},
		{
			name:     "golang",
			path:     "../../../examples/go-mod",
			detected: false,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			ctx := testingUtils.CreateGenerateContext(t, tt.path)
			provider := NodeProvider{}
			detected, err := provider.Detect(ctx)
			require.NoError(t, err)
			require.Equal(t, tt.detected, detected)

			if detected {
				err = provider.Initialize(ctx)
				require.NoError(t, err)

				packageManager := provider.getPackageManager(ctx.App)
				require.Equal(t, tt.packageManager, packageManager)

				err = provider.Plan(ctx)
				require.NoError(t, err)

				if tt.nodeVersion != "" {
					nodeVersion := ctx.Resolver.Get("node")
					require.Equal(t, tt.nodeVersion, nodeVersion.Version)
				}

				if tt.pnpmVersion != "" {
					pnpmVersion := ctx.Resolver.Get("pnpm")
					require.Equal(t, tt.pnpmVersion, pnpmVersion.Version)
				}
			}
		})
	}
}

func TestNodeCorepack(t *testing.T) {
	tests := []struct {
		name         string
		path         string
		wantCorepack bool
	}{
		{
			name:         "corepack project",
			path:         "../../../examples/node-corepack",
			wantCorepack: true,
		},
		{
			name:         "bun project",
			path:         "../../../examples/node-bun",
			wantCorepack: false,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			ctx := testingUtils.CreateGenerateContext(t, tt.path)
			provider := NodeProvider{}
			err := provider.Initialize(ctx)
			require.NoError(t, err)

			usesCorepack := provider.usesCorepack()
			require.Equal(t, tt.wantCorepack, usesCorepack)
		})
	}
}

func TestGetNextApps(t *testing.T) {
	tests := []struct {
		name string
		path string
		want []string
	}{
		{
			name: "npm project",
			path: "../../../examples/node-npm",
			want: []string{},
		},
		{
			name: "bun project",
			path: "../../../examples/node-next",
			want: []string{""},
		},
		{
			name: "turbo with 2 next apps",
			path: "../../../examples/node-turborepo",
			want: []string{"apps/docs/", "apps/web/"},
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			ctx := testingUtils.CreateGenerateContext(t, tt.path)
			provider := NodeProvider{}
			err := provider.Initialize(ctx)
			require.NoError(t, err)

			nextApps, err := provider.getNextApps(ctx)
			require.NoError(t, err)
			require.Equal(t, tt.want, nextApps)
		})
	}
}