package handlers_build

import (
	"brunel/buildqueue"
	"brunel/domain"
	"sort"
	"strings"

	"github.com/gofiber/fiber/v2"
)

type QueueResponse struct {
	Total    int                     `json:"total"`
	Packages []domain.BuildQueueItem `json:"packages"`
}

func Queue(c *fiber.Ctx) error {
	pageNum := c.QueryInt("page", 1)
	pageSize := c.QueryInt("pageSize", 250)
	search := strings.ToLower(c.Query("search"))
	filter := c.Query("filter")

	// Adjust pageNum to be 0-based for GetPage
	adjustedPageNum := pageNum - 1
	if adjustedPageNum < 0 {
		adjustedPageNum = 0
	}

	packs := buildqueue.GetQueue()
	finalReturn := make([]domain.BuildQueueItem, 0)

	packs.ForEach(func(k string, source domain.BuildQueueItem) bool {
		matchesSearch := search == "" || strings.Contains(strings.ToLower(k), search)
		matchesFilter := filter == "" || source.Status == domain.BuildStatus(filter)
		source.Source.Packages.ForEach(func(key string, value domain.PackageInfo) bool {
			if !matchesSearch && strings.Contains(strings.ToLower(key), search) {
				matchesSearch = true
			}
			return !(matchesSearch)
		})

		if matchesFilter && matchesSearch {
			finalReturn = append(finalReturn, source)
		}
		return true
	})

	sort.Slice(finalReturn, func(i, j int) bool {
		return finalReturn[i].Source.Name < finalReturn[j].Source.Name
	})

	var result []domain.BuildQueueItem
	startIndex := adjustedPageNum * pageSize
	endIndex := (adjustedPageNum + 1) * pageSize
	if startIndex >= len(finalReturn) {
		result = []domain.BuildQueueItem{}
	} else {
		if endIndex > len(finalReturn) {
			endIndex = len(finalReturn)
		}
		result = finalReturn[startIndex:endIndex]
	}

	response := QueueResponse{
		Total:    len(finalReturn),
		Packages: result,
	}

	return c.Status(fiber.StatusOK).JSON(response)
}