package test

import (
	"encoding/json"
	"fmt"
	"net/http"
	"testing"

	"github.com/gofiber/fiber/v2"

	"gitlab.com/mbugroup/lti-api.git/internal/entities"
	"gitlab.com/mbugroup/lti-api.git/internal/utils"
)

func TestKandangIntegration(t *testing.T) {
	app, db := setupIntegrationApp(t)
	areaID := createArea(t, app, "Area Kandang")
	locationID := createLocation(t, app, "Location For Kandang", "Address", areaID)

	t.Run("create kandang success", func(t *testing.T) {
		resp, body := doJSONRequest(t, app, http.MethodPost, "/api/master-data/kandangs", map[string]any{
			"name":        "Kandang OK",
			"location_id": locationID,
			"pic_id":      1,
		})
		if resp.StatusCode != fiber.StatusCreated {
			t.Fatalf("expected 201, got %d: %s", resp.StatusCode, string(body))
		}

		var createResp struct {
			Data struct {
				Status string `json:"status"`
			} `json:"data"`
		}
		if err := json.Unmarshal(body, &createResp); err != nil {
			t.Fatalf("failed to parse create response: %v", err)
		}
		if createResp.Data.Status == "" {
			t.Fatalf("expected default status to be returned, got empty")
		}
	})

	t.Run("create kandang with unknown location fails", func(t *testing.T) {
		resp, body := doJSONRequest(t, app, http.MethodPost, "/api/master-data/kandangs", map[string]any{
			"name":        "Kandang Fail",
			"status":      "ACTIVE",
			"location_id": 999,
			"pic_id":      1,
		})
		if resp.StatusCode != fiber.StatusNotFound {
			t.Fatalf("expected 404, got %d: %s", resp.StatusCode, string(body))
		}
	})

	t.Run("cannot assign project floc with existing active kandang", func(t *testing.T) {
		fcrID := createFcr(t, app, "FCR For Floc", []map[string]any{
			{"weight": 1.0, "fcr_number": 1.5, "mortality": 2.0},
		})
		flocID := createFlock(t, app, "Floc Test")

		projectFloc := entities.ProjectFlock{
			FlockName:  fmt.Sprintf("Project Flock %d", flocID),
			AreaId:     areaID,
			Category:   string(utils.ProjectFlockCategoryGrowing),
			FcrId:      fcrID,
			LocationId: locationID,
			Period:     1,
			CreatedBy:  1,
		}
		if err := db.Create(&projectFloc).Error; err != nil {
			t.Fatalf("failed to seed project floc: %v", err)
		}

		resp, body := doJSONRequest(t, app, http.MethodPost, "/api/master-data/kandangs", map[string]any{
			"name":             "Kandang Active 1",
			"status":           "ACTIVE",
			"location_id":      locationID,
			"pic_id":           1,
			"project_flock_id": projectFloc.Id,
		})
		if resp.StatusCode != fiber.StatusCreated {
			t.Fatalf("expected 201 when creating first kandang, got %d: %s", resp.StatusCode, string(body))
		}

		resp, body = doJSONRequest(t, app, http.MethodPost, "/api/master-data/kandangs", map[string]any{
			"name":             "Kandang Active 2",
			"status":           "ACTIVE",
			"location_id":      locationID,
			"pic_id":           1,
			"project_flock_id": projectFloc.Id,
		})
		if resp.StatusCode != fiber.StatusConflict {
			t.Fatalf("expected 409 when creating second active kandang, got %d: %s", resp.StatusCode, string(body))
		}
	})
}