// Copyright 2013 Google. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd

package github

import (
	"encoding/json"
	"fmt"
	"net/http"
	"reflect"
	"testing"
	"time"
)

func TestPullRequestsService_List(t *testing.T) {
	setup()
	defer teardown()

	mux.HandleFunc("/repos/o/r/pulls", func(w http.ResponseWriter, r *http.Request) {
		testMethod(t, r, "GET")
		testFormValues(t, r, values{
			"state": "closed",
			"head":  "h",
			"base":  "b",
		})
		fmt.Fprint(w, `[{"number":1}]`)
	})

	opt := &PullRequestListOptions{"closed", "h", "b"}
	pulls, err := client.PullRequests.List("o", "r", opt)

	if err != nil {
		t.Errorf("PullRequests.List returned error: %v", err)
	}

	want := []PullRequest{PullRequest{Number: 1}}
	if !reflect.DeepEqual(pulls, want) {
		t.Errorf("PullRequests.List returned %+v, want %+v", pulls, want)
	}
}

func TestPullRequestsService_List_invalidOwner(t *testing.T) {
	_, err := client.PullRequests.List("%", "r", nil)
	testURLParseError(t, err)
}

func TestPullRequestsService_Get(t *testing.T) {
	setup()
	defer teardown()

	mux.HandleFunc("/repos/o/r/pulls/1", func(w http.ResponseWriter, r *http.Request) {
		testMethod(t, r, "GET")
		fmt.Fprint(w, `{"number":1}`)
	})

	pull, err := client.PullRequests.Get("o", "r", 1)

	if err != nil {
		t.Errorf("PullRequests.Get returned error: %v", err)
	}

	want := &PullRequest{Number: 1}
	if !reflect.DeepEqual(pull, want) {
		t.Errorf("PullRequests.Get returned %+v, want %+v", pull, want)
	}
}

func TestPullRequestsService_Get_invalidOwner(t *testing.T) {
	_, err := client.PullRequests.Get("%", "r", 1)
	testURLParseError(t, err)
}

func TestPullRequestsService_Create(t *testing.T) {
	setup()
	defer teardown()

	input := &PullRequest{Title: "t"}

	mux.HandleFunc("/repos/o/r/pulls", func(w http.ResponseWriter, r *http.Request) {
		v := new(PullRequest)
		json.NewDecoder(r.Body).Decode(v)

		testMethod(t, r, "POST")
		if !reflect.DeepEqual(v, input) {
			t.Errorf("Request body = %+v, want %+v", v, input)
		}

		fmt.Fprint(w, `{"number":1}`)
	})

	pull, err := client.PullRequests.Create("o", "r", input)
	if err != nil {
		t.Errorf("PullRequests.Create returned error: %v", err)
	}

	want := &PullRequest{Number: 1}
	if !reflect.DeepEqual(pull, want) {
		t.Errorf("PullRequests.Create returned %+v, want %+v", pull, want)
	}
}

func TestPullRequestsService_Create_invalidOwner(t *testing.T) {
	_, err := client.PullRequests.Create("%", "r", nil)
	testURLParseError(t, err)
}

func TestPullRequestsService_Edit(t *testing.T) {
	setup()
	defer teardown()

	input := &PullRequest{Title: "t"}

	mux.HandleFunc("/repos/o/r/pulls/1", func(w http.ResponseWriter, r *http.Request) {
		v := new(PullRequest)
		json.NewDecoder(r.Body).Decode(v)

		testMethod(t, r, "PATCH")
		if !reflect.DeepEqual(v, input) {
			t.Errorf("Request body = %+v, want %+v", v, input)
		}

		fmt.Fprint(w, `{"number":1}`)
	})

	pull, err := client.PullRequests.Edit("o", "r", 1, input)
	if err != nil {
		t.Errorf("PullRequests.Edit returned error: %v", err)
	}

	want := &PullRequest{Number: 1}
	if !reflect.DeepEqual(pull, want) {
		t.Errorf("PullRequests.Edit returned %+v, want %+v", pull, want)
	}
}

func TestPullRequestsService_Edit_invalidOwner(t *testing.T) {
	_, err := client.PullRequests.Edit("%", "r", 1, nil)
	testURLParseError(t, err)
}

func TestPullRequestsService_ListComments_allPulls(t *testing.T) {
	setup()
	defer teardown()

	mux.HandleFunc("/repos/o/r/pulls/comments", func(w http.ResponseWriter, r *http.Request) {
		testMethod(t, r, "GET")
		testFormValues(t, r, values{
			"sort":      "updated",
			"direction": "desc",
			"since":     "2002-02-10T15:30:00Z",
		})
		fmt.Fprint(w, `[{"id":1}]`)
	})

	opt := &PullRequestListCommentsOptions{"updated", "desc",
		time.Date(2002, time.February, 10, 15, 30, 0, 0, time.UTC),
	}
	pulls, err := client.PullRequests.ListComments("o", "r", 0, opt)

	if err != nil {
		t.Errorf("PullRequests.ListComments returned error: %v", err)
	}

	want := []PullRequestComment{PullRequestComment{ID: 1}}
	if !reflect.DeepEqual(pulls, want) {
		t.Errorf("PullRequests.ListComments returned %+v, want %+v", pulls, want)
	}
}

func TestPullRequestsService_ListComments_specificPull(t *testing.T) {
	setup()
	defer teardown()

	mux.HandleFunc("/repos/o/r/pulls/1/comments", func(w http.ResponseWriter, r *http.Request) {
		testMethod(t, r, "GET")
		fmt.Fprint(w, `[{"id":1}]`)
	})

	pulls, err := client.PullRequests.ListComments("o", "r", 1, nil)

	if err != nil {
		t.Errorf("PullRequests.ListComments returned error: %v", err)
	}

	want := []PullRequestComment{PullRequestComment{ID: 1}}
	if !reflect.DeepEqual(pulls, want) {
		t.Errorf("PullRequests.ListComments returned %+v, want %+v", pulls, want)
	}
}

func TestPullRequestsService_ListComments_invalidOwner(t *testing.T) {
	_, err := client.PullRequests.ListComments("%", "r", 1, nil)
	testURLParseError(t, err)
}

func TestPullRequestsService_GetComment(t *testing.T) {
	setup()
	defer teardown()

	mux.HandleFunc("/repos/o/r/pulls/comments/1", func(w http.ResponseWriter, r *http.Request) {
		testMethod(t, r, "GET")
		fmt.Fprint(w, `{"id":1}`)
	})

	comment, err := client.PullRequests.GetComment("o", "r", 1)

	if err != nil {
		t.Errorf("PullRequests.GetComment returned error: %v", err)
	}

	want := &PullRequestComment{ID: 1}
	if !reflect.DeepEqual(comment, want) {
		t.Errorf("PullRequests.GetComment returned %+v, want %+v", comment, want)
	}
}

func TestPullRequestsService_GetComment_invalidOwner(t *testing.T) {
	_, err := client.PullRequests.GetComment("%", "r", 1)
	testURLParseError(t, err)
}

func TestPullRequestsService_CreateComment(t *testing.T) {
	setup()
	defer teardown()

	input := &PullRequestComment{Body: "b"}

	mux.HandleFunc("/repos/o/r/pulls/1/comments", func(w http.ResponseWriter, r *http.Request) {
		v := new(PullRequestComment)
		json.NewDecoder(r.Body).Decode(v)

		testMethod(t, r, "POST")
		if !reflect.DeepEqual(v, input) {
			t.Errorf("Request body = %+v, want %+v", v, input)
		}

		fmt.Fprint(w, `{"id":1}`)
	})

	comment, err := client.PullRequests.CreateComment("o", "r", 1, input)

	if err != nil {
		t.Errorf("PullRequests.CreateComment returned error: %v", err)
	}

	want := &PullRequestComment{ID: 1}
	if !reflect.DeepEqual(comment, want) {
		t.Errorf("PullRequests.CreateComment returned %+v, want %+v", comment, want)
	}
}

func TestPullRequestsService_CreateComment_invalidOwner(t *testing.T) {
	_, err := client.PullRequests.CreateComment("%", "r", 1, nil)
	testURLParseError(t, err)
}

func TestPullRequestsService_EditComment(t *testing.T) {
	setup()
	defer teardown()

	input := &PullRequestComment{Body: "b"}

	mux.HandleFunc("/repos/o/r/pulls/comments/1", func(w http.ResponseWriter, r *http.Request) {
		v := new(PullRequestComment)
		json.NewDecoder(r.Body).Decode(v)

		testMethod(t, r, "PATCH")
		if !reflect.DeepEqual(v, input) {
			t.Errorf("Request body = %+v, want %+v", v, input)
		}

		fmt.Fprint(w, `{"id":1}`)
	})

	comment, err := client.PullRequests.EditComment("o", "r", 1, input)

	if err != nil {
		t.Errorf("PullRequests.EditComment returned error: %v", err)
	}

	want := &PullRequestComment{ID: 1}
	if !reflect.DeepEqual(comment, want) {
		t.Errorf("PullRequests.EditComment returned %+v, want %+v", comment, want)
	}
}

func TestPullRequestsService_EditComment_invalidOwner(t *testing.T) {
	_, err := client.PullRequests.EditComment("%", "r", 1, nil)
	testURLParseError(t, err)
}

func TestPullRequestsService_DeleteComment(t *testing.T) {
	setup()
	defer teardown()

	mux.HandleFunc("/repos/o/r/pulls/comments/1", func(w http.ResponseWriter, r *http.Request) {
		testMethod(t, r, "DELETE")
	})

	err := client.PullRequests.DeleteComment("o", "r", 1)
	if err != nil {
		t.Errorf("PullRequests.DeleteComment returned error: %v", err)
	}
}

func TestPullRequestsService_DeleteComment_invalidOwner(t *testing.T) {
	err := client.PullRequests.DeleteComment("%", "r", 1)
	testURLParseError(t, err)
}