package main

import (
	"testing"

	"github.com/gavv/httpexpect/v2"
)

func startServer(t *testing.T) *httpexpect.Expect {
	config := ServerConfig{
		Datasource: ":memory:",
		Port:       "8181",
		Started:    make(chan bool),
	}
	go start(t.Context(), &config)
	<-config.Started
	return httpexpect.Default(t, "http://localhost:8181/api")
}

func TestGetUsers(t *testing.T) {
	e := startServer(t)
	result := e.GET("/users").Expect().Status(200).JSON()
	result.Array().Length().IsEqual(2)
	result.Path("$[0].name").InList("Seeseemelk", "Huffle")
	result.Path("$[1].name").InList("Seeseemelk", "Huffle")
}

func TestGetUser(t *testing.T) {
	e := startServer(t)
	result := e.GET("/user/1").Expect().Status(200).JSON().Object()
	result.Value("name").IsEqual("Seeseemelk")
	result.Value("id").IsEqual(1)
}

func TestGetUserUnknown(t *testing.T) {
	e := startServer(t)
	e.GET("/user/999").Expect().Status(404)
}

func TestGetUserBadId(t *testing.T) {
	e := startServer(t)
	e.GET("/user/bad-id").Expect().Status(400)
}

func TestGetUserGoalsWhenNoGoalsPresent(t *testing.T) {
	e := startServer(t)
	result := e.GET("/user/1/goals").Expect().Status(200).JSON().Array()
	result.Length().IsEqual(0)
}

func TestGetUserGoalsNoUser(t *testing.T) {
	e := startServer(t)
	e.GET("/user/999/goals").Expect().Status(404)
}

func TestGetUserGoalsBadId(t *testing.T) {
	e := startServer(t)
	e.GET("/user/bad-id/goals").Expect().Status(400)
}

func TestCreateUserGoal(t *testing.T) {
	e := startServer(t)

	// Create a new goal
	requestBody := map[string]interface{}{
		"name":   "Test Goal",
		"target": 5000,
		"weight": 10,
	}

	response := e.POST("/user/1/goals").
		WithJSON(requestBody).
		Expect().
		Status(201).
		JSON().Object()

	// Verify the response has an ID
	response.ContainsKey("id")
	goalId := response.Value("id").Number().Raw()

	// Verify the goal exists in the list of goals
	goals := e.GET("/user/1/goals").
		Expect().
		Status(200).
		JSON().Array()

	goals.Length().IsEqual(1)

	goal := goals.Value(0).Object()
	goal.Value("id").IsEqual(goalId)
	goal.Value("name").IsEqual("Test Goal")
	goal.Value("target").IsEqual(5000)
	goal.Value("weight").IsEqual(10)
	goal.Value("progress").IsEqual(0)
}

func TestCreateUserGoalNoUser(t *testing.T) {
	e := startServer(t)

	requestBody := map[string]interface{}{
		"name":   "Test Goal",
		"target": 5000,
		"weight": 10,
	}

	e.POST("/user/999/goals").
		WithJSON(requestBody).
		Expect().
		Status(404)
}

func TestCreateUserGoalInvalidInput(t *testing.T) {
	e := startServer(t)

	// Test with empty name
	requestBody := map[string]interface{}{
		"name":   "",
		"target": 5000,
		"weight": 10,
	}

	e.POST("/user/1/goals").
		WithJSON(requestBody).
		Expect().
		Status(400)

	// Test with missing fields
	invalidRequest := map[string]interface{}{
		"target": 5000,
	}

	e.POST("/user/1/goals").
		WithJSON(invalidRequest).
		Expect().
		Status(400)
}

func TestCreateUserGoalBadId(t *testing.T) {
	e := startServer(t)

	requestBody := map[string]interface{}{
		"name":   "Test Goal",
		"target": 5000,
		"weight": 10,
	}

	e.POST("/user/bad-id/goals").
		WithJSON(requestBody).
		Expect().
		Status(400)
}