package agent

import (
	"fmt"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/hashicorp/nomad/ci"
	"github.com/hashicorp/nomad/helper/uuid"
	"github.com/hashicorp/nomad/nomad/mock"
	"github.com/hashicorp/nomad/nomad/structs"
	"github.com/stretchr/testify/require"
)

func header(recorder *httptest.ResponseRecorder, name string) string {
	return recorder.Result().Header.Get(name)
}

func createJobForTest(jobID string, s *TestAgent, t *testing.T) {
	job := mock.Job()
	job.ID = jobID
	job.TaskGroups[0].Count = 1
	state := s.Agent.server.State()
	err := state.UpsertJob(structs.MsgTypeTestSetup, 1000, job)
	require.NoError(t, err)
}

func TestHTTP_PrefixSearchWithIllegalMethod(t *testing.T) {
	ci.Parallel(t)

	httpTest(t, nil, func(s *TestAgent) {
		req, err := http.NewRequest("DELETE", "/v1/search", nil)
		require.NoError(t, err)
		respW := httptest.NewRecorder()

		_, err = s.Server.SearchRequest(respW, req)
		require.EqualError(t, err, "Invalid method")
	})
}

func TestHTTP_FuzzySearchWithIllegalMethod(t *testing.T) {
	ci.Parallel(t)

	httpTest(t, nil, func(s *TestAgent) {
		req, err := http.NewRequest("DELETE", "/v1/search/fuzzy", nil)
		require.NoError(t, err)
		respW := httptest.NewRecorder()

		_, err = s.Server.SearchRequest(respW, req)
		require.EqualError(t, err, "Invalid method")
	})
}

func createCmdJobForTest(name, cmd string, s *TestAgent, t *testing.T) *structs.Job {
	job := mock.Job()
	job.Name = name
	job.TaskGroups[0].Tasks[0].Config["command"] = cmd
	job.TaskGroups[0].Count = 1
	state := s.Agent.server.State()
	err := state.UpsertJob(structs.MsgTypeTestSetup, 1000, job)
	require.NoError(t, err)
	return job
}

func TestHTTP_PrefixSearch_POST(t *testing.T) {
	ci.Parallel(t)

	testJob := "aaaaaaaa-e8f7-fd38-c855-ab94ceb89706"
	testJobPrefix := "aaaaaaaa-e8f7-fd38"

	httpTest(t, nil, func(s *TestAgent) {
		createJobForTest(testJob, s, t)

		data := structs.SearchRequest{Prefix: testJobPrefix, Context: structs.Jobs}
		req, err := http.NewRequest("POST", "/v1/search", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.SearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.SearchResponse)
		require.Len(t, res.Matches, 1)

		j := res.Matches[structs.Jobs]
		require.Len(t, j, 1)
		require.Equal(t, testJob, j[0])

		require.False(t, res.Truncations[structs.Jobs])
		require.NotEqual(t, "0", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_FuzzySearch_POST(t *testing.T) {
	ci.Parallel(t)

	testJobID := uuid.Generate()

	httpTest(t, nil, func(s *TestAgent) {
		createJobForTest(testJobID, s, t)
		data := structs.FuzzySearchRequest{Text: "fau", Context: structs.Namespaces}
		req, err := http.NewRequest("POST", "/v1/search/fuzzy", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.FuzzySearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.FuzzySearchResponse)
		require.Len(t, res.Matches, 1) // searched one context: namespaces

		ns := res.Matches[structs.Namespaces]
		require.Len(t, ns, 1)

		require.Equal(t, "default", ns[0].ID)
		require.Nil(t, ns[0].Scope) // only job types have scope

		require.False(t, res.Truncations[structs.Jobs])
		require.NotEqual(t, "0", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_PrefixSearch_PUT(t *testing.T) {
	ci.Parallel(t)

	testJob := "aaaaaaaa-e8f7-fd38-c855-ab94ceb89706"
	testJobPrefix := "aaaaaaaa-e8f7-fd38"

	httpTest(t, nil, func(s *TestAgent) {
		createJobForTest(testJob, s, t)

		data := structs.SearchRequest{Prefix: testJobPrefix, Context: structs.Jobs}
		req, err := http.NewRequest("PUT", "/v1/search", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.SearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.SearchResponse)
		require.Len(t, res.Matches, 1)

		j := res.Matches[structs.Jobs]
		require.Len(t, j, 1)
		require.Equal(t, testJob, j[0])

		require.False(t, res.Truncations[structs.Jobs])
		require.NotEqual(t, "0", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_FuzzySearch_PUT(t *testing.T) {
	ci.Parallel(t)

	testJobID := uuid.Generate()

	httpTest(t, nil, func(s *TestAgent) {
		createJobForTest(testJobID, s, t)
		data := structs.FuzzySearchRequest{Text: "fau", Context: structs.Namespaces}
		req, err := http.NewRequest("PUT", "/v1/search/fuzzy", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.FuzzySearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.FuzzySearchResponse)
		require.Len(t, res.Matches, 1) // searched one context: namespaces

		ns := res.Matches[structs.Namespaces]
		require.Len(t, ns, 1)

		require.Equal(t, "default", ns[0].ID)
		require.Nil(t, ns[0].Scope) // only job types have scope

		require.False(t, res.Truncations[structs.Namespaces])
		require.NotEqual(t, "0", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_PrefixSearch_MultipleJobs(t *testing.T) {
	ci.Parallel(t)

	testJobA := "aaaaaaaa-e8f7-fd38-c855-ab94ceb89706"
	testJobB := "aaaaaaaa-e8f7-fd38-c855-ab94ceb89707"
	testJobC := "bbbbbbbb-e8f7-fd38-c855-ab94ceb89707"
	testJobPrefix := "aaaaaaaa-e8f7-fd38"

	httpTest(t, nil, func(s *TestAgent) {
		createJobForTest(testJobA, s, t)
		createJobForTest(testJobB, s, t)
		createJobForTest(testJobC, s, t)

		data := structs.SearchRequest{Prefix: testJobPrefix, Context: structs.Jobs}
		req, err := http.NewRequest("POST", "/v1/search", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.SearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.SearchResponse)
		require.Len(t, res.Matches, 1)

		j := res.Matches[structs.Jobs]
		require.Len(t, j, 2)
		require.Contains(t, j, testJobA)
		require.Contains(t, j, testJobB)
		require.NotContains(t, j, testJobC)

		require.False(t, res.Truncations[structs.Jobs])
		require.NotEqual(t, "0", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_FuzzySearch_MultipleJobs(t *testing.T) {
	ci.Parallel(t)

	httpTest(t, nil, func(s *TestAgent) {
		job1ID := createCmdJobForTest("job1", "/bin/yes", s, t).ID
		job2ID := createCmdJobForTest("job2", "/bin/no", s, t).ID
		_ = createCmdJobForTest("job3", "/opt/java", s, t).ID // no match
		job4ID := createCmdJobForTest("job4", "/sbin/ping", s, t).ID

		data := structs.FuzzySearchRequest{Text: "bin", Context: structs.Jobs}
		req, err := http.NewRequest("POST", "/v1/search/fuzzy", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.FuzzySearchRequest(respW, req)
		require.NoError(t, err)

		// in example job, only the commands match the "bin" query

		res := resp.(structs.FuzzySearchResponse)
		require.Len(t, res.Matches, 1)

		commands := res.Matches[structs.Commands]
		require.Len(t, commands, 3)

		exp := []structs.FuzzyMatch{{
			ID:    "/bin/no",
			Scope: []string{"default", job2ID, "web", "web"},
		}, {
			ID:    "/bin/yes",
			Scope: []string{"default", job1ID, "web", "web"},
		}, {
			ID:    "/sbin/ping",
			Scope: []string{"default", job4ID, "web", "web"},
		}}
		require.Equal(t, exp, commands)

		require.False(t, res.Truncations[structs.Jobs])
		require.NotEqual(t, "0", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_PrefixSearch_Evaluation(t *testing.T) {
	ci.Parallel(t)

	httpTest(t, nil, func(s *TestAgent) {
		state := s.Agent.server.State()
		eval1 := mock.Eval()
		eval2 := mock.Eval()
		err := state.UpsertEvals(structs.MsgTypeTestSetup, 9000, []*structs.Evaluation{eval1, eval2})
		require.NoError(t, err)

		prefix := eval1.ID[:len(eval1.ID)-2]
		data := structs.SearchRequest{Prefix: prefix, Context: structs.Evals}
		req, err := http.NewRequest("POST", "/v1/search", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.SearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.SearchResponse)
		require.Len(t, res.Matches, 1)

		j := res.Matches[structs.Evals]
		require.Len(t, j, 1)
		require.Contains(t, j, eval1.ID)
		require.NotContains(t, j, eval2.ID)
		require.False(t, res.Truncations[structs.Evals])
		require.Equal(t, "9000", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_FuzzySearch_Evaluation(t *testing.T) {
	ci.Parallel(t)

	httpTest(t, nil, func(s *TestAgent) {
		state := s.Agent.server.State()
		eval1 := mock.Eval()
		eval2 := mock.Eval()
		err := state.UpsertEvals(structs.MsgTypeTestSetup, 9000, []*structs.Evaluation{eval1, eval2})
		require.NoError(t, err)

		// fuzzy search does prefix search for evaluations
		prefix := eval1.ID[:len(eval1.ID)-2]
		data := structs.FuzzySearchRequest{Text: prefix, Context: structs.Evals}
		req, err := http.NewRequest("POST", "/v1/search/fuzzy", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.FuzzySearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.FuzzySearchResponse)
		require.Len(t, res.Matches, 1)

		matches := res.Matches[structs.Evals]
		require.Len(t, matches, 1)

		require.Equal(t, structs.FuzzyMatch{
			ID: eval1.ID,
		}, matches[0])
		require.False(t, res.Truncations[structs.Evals])
		require.Equal(t, "9000", header(respW, "X-Nomad-Index"))
	})
}

func mockAlloc() *structs.Allocation {
	a := mock.Alloc()
	a.Name = fmt.Sprintf("%s.%s[%d]", a.Job.Name, "web", 0)
	return a
}

func TestHTTP_PrefixSearch_Allocations(t *testing.T) {
	ci.Parallel(t)

	httpTest(t, nil, func(s *TestAgent) {
		state := s.Agent.server.State()
		alloc := mockAlloc()
		err := state.UpsertAllocs(structs.MsgTypeTestSetup, 7000, []*structs.Allocation{alloc})
		require.NoError(t, err)

		prefix := alloc.ID[:len(alloc.ID)-2]
		data := structs.SearchRequest{Prefix: prefix, Context: structs.Allocs}
		req, err := http.NewRequest("POST", "/v1/search", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.SearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.SearchResponse)
		require.Len(t, res.Matches, 1)

		a := res.Matches[structs.Allocs]
		require.Len(t, a, 1)
		require.Contains(t, a, alloc.ID)

		require.False(t, res.Truncations[structs.Allocs])
		require.Equal(t, "7000", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_FuzzySearch_Allocations(t *testing.T) {
	ci.Parallel(t)

	httpTest(t, nil, func(s *TestAgent) {
		state := s.Agent.server.State()
		alloc := mockAlloc()
		err := state.UpsertAllocs(structs.MsgTypeTestSetup, 7000, []*structs.Allocation{alloc})
		require.NoError(t, err)

		data := structs.FuzzySearchRequest{Text: "-job", Context: structs.Allocs}
		req, err := http.NewRequest("POST", "/v1/search/fuzzy", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.FuzzySearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.FuzzySearchResponse)
		require.Len(t, res.Matches, 1)

		a := res.Matches[structs.Allocs]
		require.Len(t, a, 1)
		require.Equal(t, "my-job.web[0]", a[0].ID)

		require.False(t, res.Truncations[structs.Allocs])
		require.Equal(t, "7000", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_PrefixSearch_Nodes(t *testing.T) {
	ci.Parallel(t)

	httpTest(t, nil, func(s *TestAgent) {
		state := s.Agent.server.State()
		node := mock.Node()
		err := state.UpsertNode(structs.MsgTypeTestSetup, 6000, node)
		require.NoError(t, err)

		prefix := node.ID[:len(node.ID)-2]
		data := structs.SearchRequest{Prefix: prefix, Context: structs.Nodes}
		req, err := http.NewRequest("POST", "/v1/search", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.SearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.SearchResponse)
		require.Len(t, res.Matches, 1)

		n := res.Matches[structs.Nodes]
		require.Len(t, n, 1)
		require.Contains(t, n, node.ID)

		require.False(t, res.Truncations[structs.Nodes])
		require.Equal(t, "6000", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_FuzzySearch_Nodes(t *testing.T) {
	ci.Parallel(t)

	httpTest(t, nil, func(s *TestAgent) {
		state := s.Agent.server.State()
		node := mock.Node() // foobar
		err := state.UpsertNode(structs.MsgTypeTestSetup, 6000, node)
		require.NoError(t, err)

		data := structs.FuzzySearchRequest{Text: "oo", Context: structs.Nodes}
		req, err := http.NewRequest("POST", "/v1/search/fuzzy", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.FuzzySearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.FuzzySearchResponse)
		require.Len(t, res.Matches, 1)

		n := res.Matches[structs.Nodes]
		require.Len(t, n, 1)
		require.Equal(t, "foobar", n[0].ID)

		require.False(t, res.Truncations[structs.Nodes])
		require.Equal(t, "6000", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_PrefixSearch_Deployments(t *testing.T) {
	ci.Parallel(t)

	httpTest(t, nil, func(s *TestAgent) {
		state := s.Agent.server.State()
		deployment := mock.Deployment()
		require.NoError(t, state.UpsertDeployment(999, deployment), "UpsertDeployment")

		prefix := deployment.ID[:len(deployment.ID)-2]
		data := structs.SearchRequest{Prefix: prefix, Context: structs.Deployments}
		req, err := http.NewRequest("POST", "/v1/search", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.SearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.SearchResponse)
		require.Len(t, res.Matches, 1)

		n := res.Matches[structs.Deployments]
		require.Len(t, n, 1)
		require.Contains(t, n, deployment.ID)
		require.Equal(t, "999", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_FuzzySearch_Deployments(t *testing.T) {
	ci.Parallel(t)

	httpTest(t, nil, func(s *TestAgent) {
		state := s.Agent.server.State()
		deployment := mock.Deployment()
		require.NoError(t, state.UpsertDeployment(999, deployment), "UpsertDeployment")

		// fuzzy search of deployments are prefix searches
		prefix := deployment.ID[:len(deployment.ID)-2]
		data := structs.FuzzySearchRequest{Text: prefix, Context: structs.Deployments}
		req, err := http.NewRequest("POST", "/v1/search/fuzzy", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.FuzzySearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.FuzzySearchResponse)
		require.Len(t, res.Matches, 1)

		n := res.Matches[structs.Deployments]
		require.Len(t, n, 1)
		require.Equal(t, deployment.ID, n[0].ID)
		require.Equal(t, "999", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_PrefixSearch_NoJob(t *testing.T) {
	ci.Parallel(t)

	httpTest(t, nil, func(s *TestAgent) {
		data := structs.SearchRequest{Prefix: "12345", Context: structs.Jobs}
		req, err := http.NewRequest("POST", "/v1/search", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.SearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.SearchResponse)
		require.Len(t, res.Matches, 1)
		require.Len(t, res.Matches[structs.Jobs], 0)
		require.Equal(t, "0", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_FuzzySearch_NoJob(t *testing.T) {
	ci.Parallel(t)

	httpTest(t, nil, func(s *TestAgent) {
		data := structs.FuzzySearchRequest{Text: "12345", Context: structs.Jobs}
		req, err := http.NewRequest("POST", "/v1/search/fuzzy", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.FuzzySearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.FuzzySearchResponse)
		require.Len(t, res.Matches, 0)
		require.Equal(t, "0", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_PrefixSearch_AllContext(t *testing.T) {
	ci.Parallel(t)

	testJobID := "aaaaaaaa-e8f7-fd38-c855-ab94ceb89706"
	testJobPrefix := "aaaaaaaa-e8f7-fd38"

	httpTest(t, nil, func(s *TestAgent) {
		createJobForTest(testJobID, s, t)

		state := s.Agent.server.State()
		eval1 := mock.Eval()
		eval1.ID = testJobID
		err := state.UpsertEvals(structs.MsgTypeTestSetup, 8000, []*structs.Evaluation{eval1})
		require.NoError(t, err)

		data := structs.SearchRequest{Prefix: testJobPrefix, Context: structs.All}
		req, err := http.NewRequest("POST", "/v1/search", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.SearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.SearchResponse)
		matchedJobs := res.Matches[structs.Jobs]
		matchedEvals := res.Matches[structs.Evals]
		require.Len(t, matchedJobs, 1)
		require.Len(t, matchedEvals, 1)
		require.Equal(t, testJobID, matchedJobs[0])
		require.Equal(t, eval1.ID, matchedEvals[0])
		require.Equal(t, "8000", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_FuzzySearch_AllContext(t *testing.T) {
	ci.Parallel(t)

	httpTest(t, nil, func(s *TestAgent) {
		jobID := createCmdJobForTest("job1", "/bin/aardvark", s, t).ID

		state := s.Agent.server.State()
		eval1 := mock.Eval()
		eval1.ID = "aaaa6573-04cb-61b4-04cb-865aaaf5d400"
		err := state.UpsertEvals(structs.MsgTypeTestSetup, 8000, []*structs.Evaluation{eval1})
		require.NoError(t, err)

		data := structs.FuzzySearchRequest{Text: "aa", Context: structs.All}
		req, err := http.NewRequest("POST", "/v1/search/fuzzy", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.FuzzySearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.FuzzySearchResponse)
		matchedCommands := res.Matches[structs.Commands]
		matchedEvals := res.Matches[structs.Evals]
		require.Len(t, matchedCommands, 1)
		require.Len(t, matchedEvals, 1)
		require.Equal(t, eval1.ID, matchedEvals[0].ID)
		require.Equal(t, "/bin/aardvark", matchedCommands[0].ID)
		require.Equal(t, []string{
			"default", jobID, "web", "web",
		}, matchedCommands[0].Scope)
		require.Equal(t, "8000", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_PrefixSearch_Variables(t *testing.T) {
	ci.Parallel(t)

	testPath := "alpha/beta/charlie"
	testPathPrefix := "alpha/beta"

	httpTest(t, nil, func(s *TestAgent) {
		sv := mock.VariableEncrypted()

		state := s.Agent.server.State()
		sv.Path = testPath
		setResp := state.VarSet(8000, &structs.VarApplyStateRequest{
			Op:  structs.VarOpSet,
			Var: sv,
		})
		require.NoError(t, setResp.Error)

		data := structs.SearchRequest{Prefix: testPathPrefix, Context: structs.Variables}
		req, err := http.NewRequest("POST", "/v1/search", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.SearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.SearchResponse)
		matchedVars := res.Matches[structs.Variables]
		require.Len(t, matchedVars, 1)
		require.Equal(t, testPath, matchedVars[0])
		require.Equal(t, "8000", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_FuzzySearch_Variables(t *testing.T) {
	ci.Parallel(t)

	testPath := "alpha/beta/charlie"
	testPathText := "beta"

	httpTest(t, nil, func(s *TestAgent) {
		state := s.Agent.server.State()
		sv := mock.VariableEncrypted()
		sv.Path = testPath
		setResp := state.VarSet(8000, &structs.VarApplyStateRequest{
			Op:  structs.VarOpSet,
			Var: sv,
		})
		require.NoError(t, setResp.Error)

		data := structs.FuzzySearchRequest{Text: testPathText, Context: structs.Variables}
		req, err := http.NewRequest("POST", "/v1/search/", encodeReq(data))
		require.NoError(t, err)

		respW := httptest.NewRecorder()

		resp, err := s.Server.FuzzySearchRequest(respW, req)
		require.NoError(t, err)

		res := resp.(structs.FuzzySearchResponse)
		matchedVars := res.Matches[structs.Variables]
		require.Len(t, matchedVars, 1)
		require.Equal(t, testPath, matchedVars[0].ID)
		require.Equal(t, []string{
			"default", testPath,
		}, matchedVars[0].Scope)
		require.Equal(t, "8000", header(respW, "X-Nomad-Index"))
	})
}

func TestHTTP_PrefixSearch_Variables_ACL(t *testing.T) {
	ci.Parallel(t)

	testPath := "alpha/beta/charlie"
	testPathPrefix := "alpha/beta"

	httpACLTest(t, nil, func(s *TestAgent) {
		state := s.Agent.server.State()
		ns := mock.Namespace()
		sv1 := mock.VariableEncrypted()
		sv1.Path = testPath
		sv2 := sv1.Copy()
		sv2.Namespace = ns.Name

		require.NoError(t, state.UpsertNamespaces(7000, []*structs.Namespace{ns}))
		setResp := state.VarSet(8000, &structs.VarApplyStateRequest{
			Op:  structs.VarOpSet,
			Var: sv1,
		})
		require.NoError(t, setResp.Error)
		setResp = state.VarSet(8001, &structs.VarApplyStateRequest{
			Op:  structs.VarOpSet,
			Var: &sv2,
		})
		require.NoError(t, setResp.Error)

		rootToken := s.RootToken

		defNSToken := mock.CreatePolicyAndToken(t, state, 8002, "default",
			mock.NamespacePolicyWithVariables(
				"default", "read", []string{},
				map[string][]string{"*": {"read", "list"}}))

		ns1NSToken := mock.CreatePolicyAndToken(t, state, 8004, "ns-"+ns.Name,
			mock.NamespacePolicyWithVariables(
				ns.Name, "read", []string{},
				map[string][]string{"*": {"read", "list"}}))

		denyToken := mock.CreatePolicyAndToken(t, state, 8006, "none",
			mock.NamespacePolicy("default", "deny", nil))

		testCases := []struct {
			desc               string
			token              *structs.ACLToken
			namespace          string
			expectedCount      int
			expectedNamespaces []string
			expectedErr        string
		}{
			{
				desc:               "management token",
				token:              rootToken,
				namespace:          "*",
				expectedCount:      2,
				expectedNamespaces: []string{"default", ns.Name},
			},
			{
				desc:               "default ns token",
				token:              defNSToken,
				namespace:          "default",
				expectedCount:      1,
				expectedNamespaces: []string{"default"},
			},
			{
				desc:               "ns specific token",
				token:              ns1NSToken,
				namespace:          ns.Name,
				expectedCount:      1,
				expectedNamespaces: []string{ns.Name},
			},
			{
				desc:          "denied token",
				token:         denyToken,
				namespace:     "default",
				expectedCount: 0,
				expectedErr:   structs.ErrPermissionDenied.Error(),
			},
		}
		for _, tC := range testCases {
			t.Run(tC.desc, func(t *testing.T) {
				tC := tC
				data := structs.SearchRequest{
					Prefix:  testPathPrefix,
					Context: structs.Variables,
					QueryOptions: structs.QueryOptions{
						AuthToken: tC.token.SecretID,
						Namespace: tC.namespace,
					},
				}

				req, err := http.NewRequest("POST", "/v1/search", encodeReq(data))
				require.NoError(t, err)

				respW := httptest.NewRecorder()

				resp, err := s.Server.SearchRequest(respW, req)
				if tC.expectedErr != "" {
					require.Error(t, err)
					require.Equal(t, tC.expectedErr, err.Error())
					return
				}
				require.NoError(t, err)
				res := resp.(structs.SearchResponse)
				matchedVars := res.Matches[structs.Variables]
				require.Len(t, matchedVars, tC.expectedCount)
				for _, mv := range matchedVars {
					require.Equal(t, testPath, mv)
				}
				require.Equal(t, "8001", header(respW, "X-Nomad-Index"))
			})
		}
	})
}

func TestHTTP_FuzzySearch_Variables_ACL(t *testing.T) {
	ci.Parallel(t)

	testPath := "alpha/beta/charlie"
	testPathText := "beta"

	httpACLTest(t, nil, func(s *TestAgent) {
		state := s.Agent.server.State()
		ns := mock.Namespace()
		sv1 := mock.VariableEncrypted()
		sv1.Path = testPath
		sv2 := sv1.Copy()
		sv2.Namespace = ns.Name

		require.NoError(t, state.UpsertNamespaces(7000, []*structs.Namespace{ns}))
		setResp := state.VarSet(8000, &structs.VarApplyStateRequest{
			Op:  structs.VarOpSet,
			Var: sv1,
		})
		require.NoError(t, setResp.Error)
		setResp = state.VarSet(8001, &structs.VarApplyStateRequest{
			Op:  structs.VarOpSet,
			Var: &sv2,
		})
		require.NoError(t, setResp.Error)

		rootToken := s.RootToken

		defNSToken := mock.CreatePolicyAndToken(t, state, 8002, "default",
			mock.NamespacePolicyWithVariables(
				"default", "read", []string{},
				map[string][]string{"*": {"list"}}))

		ns1NSToken := mock.CreatePolicyAndToken(t, state, 8004, "ns-"+ns.Name,
			mock.NamespacePolicyWithVariables(
				ns.Name, "read", []string{},
				map[string][]string{"*": {"list"}}))

		denyToken := mock.CreatePolicyAndToken(t, state, 8006, "none",
			mock.NamespacePolicy("default", "deny", nil))

		type testCase struct {
			desc               string
			token              *structs.ACLToken
			namespace          string
			expectedCount      int
			expectedNamespaces []string
			expectedErr        string
		}
		testCases := []testCase{
			{
				desc:               "management token",
				token:              rootToken,
				expectedCount:      2,
				expectedNamespaces: []string{"default", ns.Name},
			},
			{
				desc:               "default ns token",
				token:              defNSToken,
				expectedCount:      1,
				expectedNamespaces: []string{"default"},
			},
			{
				desc:               "ns specific token",
				token:              ns1NSToken,
				expectedCount:      1,
				expectedNamespaces: []string{ns.Name},
			},
			{
				desc:          "denied token",
				token:         denyToken,
				expectedCount: 0,
				// You would think that this should error out, but when it is
				// the wildcard namespace, objects that fail the access check
				// are filtered out rather than throwing a permissions error.
			},
			{
				desc:          "denied token",
				token:         denyToken,
				namespace:     "default",
				expectedCount: 0,
				expectedErr:   structs.ErrPermissionDenied.Error(),
			},
		}
		tcNS := func(tC testCase) string {
			if tC.namespace == "" {
				return "*"
			}
			return tC.namespace
		}
		for _, tC := range testCases {
			t.Run(tC.desc, func(t *testing.T) {
				data := structs.FuzzySearchRequest{
					Text:    testPathText,
					Context: structs.Variables,
					QueryOptions: structs.QueryOptions{
						AuthToken: tC.token.SecretID,
						Namespace: tcNS(tC),
					},
				}
				req, err := http.NewRequest("POST", "/v1/search/fuzzy", encodeReq(data))
				require.NoError(t, err)

				setToken(req, tC.token)
				respW := httptest.NewRecorder()

				resp, err := s.Server.FuzzySearchRequest(respW, req)
				if tC.expectedErr != "" {
					require.Error(t, err)
					require.Equal(t, tC.expectedErr, err.Error())
					return
				}

				res := resp.(structs.FuzzySearchResponse)
				matchedVars := res.Matches[structs.Variables]
				require.Len(t, matchedVars, tC.expectedCount)
				for _, mv := range matchedVars {
					require.Equal(t, testPath, mv.ID)
					require.Len(t, mv.Scope, 2)
					require.Contains(t, tC.expectedNamespaces, mv.Scope[0])
					require.Equal(t, "8001", header(respW, "X-Nomad-Index"))
				}
			})
		}
	})
}