package model

import (
	"fmt"
	"net/url"
	"testing"
	"time"

	"git.aiterp.net/AiteRP/aitestory/server"
	"git.aiterp.net/gisle/wrouter/generate"
)

var testPageTags = []*Tag{
	&Tag{"", "Event", "Skipping Work (Test)"},
	&Tag{"", "Location", "Redrock's Office (Test)"},
	&Tag{"", "Character", "Renala T'Iavay (Test)"},
	&Tag{"", "Character", "Senva T'Vaoma (Test)"},
}

var extraPageTag = &Tag{"", "Character", "Va'ynna Atana (Test)"}

var fictionalDate, _ = time.Parse("2006-01-02", "2185-07-25")
var postingDate, _ = time.Parse("2006-01-02", "2017-09-13")
var editDate, _ = time.Parse("2006-01-02", "2017-09-15")

var testPage = Page{
	Name:          "Returning Va'ynna's Omni-Tool (Test)",
	Author:        "test:Gisle",
	Category:      "Story",
	FictionalDate: fictionalDate,
	PublishDate:   postingDate,
	EditDate:      editDate,
	Published:     true,
	Unlisted:      false,
	Specific:      false,
	Indexed:       true,
	BackgroundURL: "",
	Type:          "Markdown",
	Source:        "# Returning Va'ynna's Omni-Tool",
	Tags:          make([]Tag, 0, 4),
}

func TestPage(t *testing.T) {
	var assertEquals = func(t *testing.T, label string, a, b interface{}) {
		if a != b {
			t.Errorf("Assert Failed (%s): \"%+v\" == \"%+v\"", label, a, b)
		}
	}

	if server.Main.Config.DB.Password == "" {
		t.Skip("No database password")
		return
	}

	t.Run("SetupTags", func(t *testing.T) {
		for _, tag := range testPageTags {
			err := tag.Insert()
			if err != nil {
				t.Error(err)
			}

			testPage.Tags = append(testPage.Tags, *tag)
		}

		err := extraPageTag.Insert()
		if err != nil {
			t.Error(err)
		}
	})

	t.Run("BasicConstants", func(t *testing.T) {
		if PageMinDate.Format(time.RFC3339) != "1753-01-01T00:00:00Z" {
			t.Error("Invalid date:", PageMinDate.Format(time.RFC3339))
		}

		page := Page{}
		page.generateID()
		if len(page.ID) != 16 {
			t.Errorf("len(page.ID): %d != 16", len(page.ID))
		}

		id1 := page.ID
		page.generateID()
		id2 := page.ID

		t.Logf("Page IDs: %s, %s (should not be the same)", id1, id2)
		if id1 == id2 {
			t.Fail()
		}
	})

	t.Run("Insert", func(t *testing.T) {
		err := testPage.Insert()
		if err != nil {
			t.Error(err)
		}

		t.Logf("testPage.ID = \"%s\"", testPage.ID)
		if testPage.ID == "" {
			t.Fail()
		}
	})

	t.Run("ListHeaders", func(t *testing.T) {
		headers, err := ListHeaders()
		if err != nil {
			t.Error(err)
		}

		t.Logf("Got %d headers", len(headers))

		found := false
		for _, header := range headers {
			if header.ID == testPage.ID {
				found = true
				t.Logf("Found header: %+v", header)

				assertEquals(t, "Name", header.Name, testPage.Name)
				assertEquals(t, "Author", header.Author, testPage.Author)
				assertEquals(t, "Category", header.Category, testPage.Category)
				assertEquals(t, "PublishDate", header.PublishDate, testPage.PublishDate)
				assertEquals(t, "EditDate", header.EditDate, testPage.EditDate)
				assertEquals(t, "FictionalDate", header.FictionalDate, testPage.FictionalDate)
				assertEquals(t, "Dated", header.Dated, testPage.Dated)
				assertEquals(t, "PrimaryTag.ID", header.PrimaryTag.ID, testPageTags[0].ID)
			}
		}

		if !found {
			t.Error("Did not find the inserted page's header")
		}
	})

	t.Run("ListHeadersByTag", func(t *testing.T) {
		headers, err := ListHeadersByTag("", testPageTags[1])
		if err != nil {
			t.Error(err)
		}

		t.Logf("Got %d headers", len(headers))

		found := false
		for _, header := range headers {
			if header.ID == testPage.ID {
				found = true
				t.Logf("Found header: %+v", header)

				assertEquals(t, "Name", header.Name, testPage.Name)
				assertEquals(t, "Author", header.Author, testPage.Author)
				assertEquals(t, "Category", header.Category, testPage.Category)
				assertEquals(t, "PublishDate", header.PublishDate, testPage.PublishDate)
				assertEquals(t, "EditDate", header.EditDate, testPage.EditDate)
				assertEquals(t, "FictionalDate", header.FictionalDate, testPage.FictionalDate)
				assertEquals(t, "Dated", header.Dated, testPage.Dated)
				assertEquals(t, "PrimaryTag.ID", header.PrimaryTag.ID, testPageTags[0].ID)
			}
		}

		if !found {
			t.Error("Did not find the inserted page's header")
		}

		// Make a fake tag and make sure that doesn't return stuff
		headers, err = ListHeadersByTag("", &Tag{ID: generate.ID()})
		if err != nil {
			t.Error(err)
		}
		if len(headers) != 0 {
			t.Errorf("This shouldn't have been found: %+v", headers)
		}
	})

	t.Run("Find", func(t *testing.T) {
		page, err := FindPage(testPage.ID)
		if err != nil {
			t.Errorf("FindPage: %s", err)
			return
		}

		assertEquals(t, "Name", page.Name, testPage.Name)
		assertEquals(t, "Author", page.Author, testPage.Author)
		assertEquals(t, "Category", page.Category, testPage.Category)
		assertEquals(t, "PublishDate", page.PublishDate, testPage.PublishDate)
		assertEquals(t, "EditDate", page.EditDate, testPage.EditDate)
		assertEquals(t, "FictionalDate", page.FictionalDate, testPage.FictionalDate)
		assertEquals(t, "Dated", page.Dated, testPage.Dated)
		assertEquals(t, "Specific", page.Specific, testPage.Specific)
		assertEquals(t, "Published", page.Published, testPage.Published)
		assertEquals(t, "Unlisted", page.Unlisted, testPage.Unlisted)
		assertEquals(t, "Indexed", page.Indexed, testPage.Indexed)
		assertEquals(t, "Source", page.Source, testPage.Source)
		assertEquals(t, "BackgroundURL", page.BackgroundURL, testPage.BackgroundURL)
	})

	t.Run("Modify", func(t *testing.T) {
		page, err := FindPage(testPage.ID)
		if err != nil {
			t.Errorf("FindPage: %s", err)
			return
		}

		page.Name = "New Page name"
		page.Source += "\nAdditional Content is additional"
		page.Tags[3] = *extraPageTag // Correct "Senva T'Vaoma" to "Renala T'Iavay"
		page.Unlisted = true

		err = page.Update()
		if err != nil {
			t.Errorf("Update: %s", err)
			return
		}

		page2, err := FindPage(page.ID)
		if err != nil {
			t.Errorf("FindPage 2: %s", err)
			return
		}

		assertEquals(t, "Name", page2.Name, page.Name)
		assertEquals(t, "Author", page2.Author, page.Author)
		assertEquals(t, "Category", page2.Category, page.Category)
		assertEquals(t, "PublishDate", page2.PublishDate, page.PublishDate)
		assertEquals(t, "EditDate", page2.EditDate, page.EditDate)
		assertEquals(t, "FictionalDate", page2.FictionalDate, page.FictionalDate)
		assertEquals(t, "Dated", page2.Dated, page.Dated)
		assertEquals(t, "Specific", page2.Specific, page.Specific)
		assertEquals(t, "Published", page2.Published, page.Published)
		assertEquals(t, "Unlisted", page2.Unlisted, page.Unlisted)
		assertEquals(t, "Indexed", page2.Indexed, page.Indexed)
		assertEquals(t, "Source", page2.Source, page.Source)
		assertEquals(t, "BackgroundURL", page2.BackgroundURL, page.BackgroundURL)
	})

	t.Run("VerifyUnlisted", func(t *testing.T) {
		headers, err := ListHeaders()
		if err != nil {
			t.Error(err)
		}

		t.Logf("Got %d headers", len(headers))

		for _, header := range headers {
			if header.ID == testPage.ID {
				t.Errorf("Found header: %+v", header)
				break
			}
		}
	})

	t.Run("Content", func(t *testing.T) {
		page, err := FindPage(testPage.ID)
		if err != nil {
			t.Errorf("FindPage: %s", err)
			return
		}

		content, err := page.Content()
		if err != nil {
			t.Errorf("page.Content: %s", err)
		}

		assertEquals(t, "page.Content()", string(content), "<h1>Returning Va’ynna’s Omni-Tool</h1>\n\n<p>Additional Content is additional</p>\n")
	})

	t.Run("ContentSpecial", func(t *testing.T) {
		page := Page{Source: "Husarskie Anioły win the EUCC 2175", Type: "Markdown"}

		content, err := page.Content()
		if err != nil {
			t.Errorf("page.Content: %s", err)
		}

		t.Log(string(content))
		assertEquals(t, "page.Content()", string(content), fmt.Sprintf("<p>%s</p>\n", page.Source))
	})

	t.Run("WikiURL", func(t *testing.T) {
		t.Skip("To be implemented")
	})

	t.Run("Delete", func(t *testing.T) {
		err := testPage.Delete()
		if err != nil {
			t.Error(err)
		}
	})

	t.Run("TeardownTags", func(t *testing.T) {
		for _, tag := range testPageTags {
			err := tag.Delete()
			if err != nil {
				t.Error(err)
				continue
			}

			t.Logf("Deleted %+v", tag)
		}

		err := extraPageTag.Delete()
		if err != nil {
			t.Error(err)
		}
		t.Logf("Deleted %+v", extraPageTag)
	})

	t.Run("ParseForm", func(t *testing.T) {
		page := Page{}
		values := url.Values{}

		values.Set("name", "Wenera's OSD")
		values.Set("category", "Item")
		values.Set("type", "Markdown")
		values.Set("source", "# Wenera's OSD\n\nIt contains stuff and things")
		values.Set("fictionalDate", "2185-10-28T00:00:00Z")

		err := page.ParseForm(values)
		if err != nil {
			t.Errorf("1: %+v", err)
		}

		assertEquals(t, "page.Name", page.Name, values.Get("name"))
		assertEquals(t, "page.Category", page.Category, values.Get("category"))
		assertEquals(t, "page.Source", page.Source, values.Get("source"))
		t.Log("page.FictionalDate =", page.FictionalDate)
	})
}