import { apiHttp } from "../services/http";
import Alpine from "alpinejs";
import clone from "just-clone";

const UPLOAD_DELAY = 1500;
const START_SLIDE = "#quick-picks-slide";

function initInteractiveElements() {
    let configurationToggle = document.getElementById("configuration-toggle");
    let configurationElem = document.getElementById("configuration");
    configurationElem.addEventListener("show.bs.collapse", function () {
        configurationToggle.classList.add("active");
    });
    configurationElem.addEventListener("hidden.bs.collapse", function () {
        configurationToggle.classList.remove("active");
    });
}

function initConfigData() {
    document.addEventListener("alpine:init", () => {
        Alpine.data("search", () => ({
            loggedIn: false,
            query: "",
            searchOutline: {
                ready: false,
                filters: {
                    "currency": 0,
                    "minRating": 80,
                    "keepUnrated": true,
                    "enableUpperPrice": false,
                    "upperPrice": 0,
                    "lowerPrice": 0,
                    "minPurchases": 0,
                    "keepUnknownPurchaseCount": true,
                    "minReviews": 0,
                    "keepUnknownReviewCount": true,
                    "enableMaxShipping": false,
                    "maxShippingFee": 0,
                    "keepUnknownShipping": true
                },
                shopToggles: {},
            },
            deletingSearchOutline: false,
            creatingSearchOutline: false,
            updatingLastUsed: false,
            changingName: false,
            updatingFilters: false,
            updatingDisabledShops: false,
            searchOutlines: [],
            selectedSearchOutline: 0,
            serverSearchOutlineName: null,
            resultsQuery: null,
            results: {
                bestPrice: null,
            },
            searchOutlineChangeTimeout: null,
            timeoutInProgress: false,
            hasResults() {
                return this.resultsQuery !== null;
            },
            submitSearch() {
                // TODO: implement search Web API call.
                this.resultsQuery = this.query;
                console.log("Search requested.");
            },
            SearchOutlineNameChange() {
                if (this.validateSearchOutlineName()) {
                    this.changeSearchOutlineName(this.serverSearchOutlineName, this.searchOutlines[this.selectedSearchOutline]);
                }
            },
            validateAllNumericalInputs() {
                if (!this.searchOutline.filters.lowerPrice) this.searchOutline.filters.lowerPrice = 0;
                if (!this.searchOutline.filters.upperPrice) this.searchOutline.filters.upperPrice = 0;
                if (!this.searchOutline.filters.maxShippingFee) this.searchOutline.filters.maxShippingFee = 0;
                if (!this.searchOutline.filters.minPurchases) this.searchOutline.filters.minPurchases = 0;
                if (!this.searchOutline.filters.minRating) this.searchOutline.filters.minRating = 0;
                if (!this.searchOutline.filters.minReviews) this.searchOutline.filters.minReviews = 0;
            },
            validateSearchOutlineName() {
                let clonedSearchOutlines = this.searchOutlines.slice();
                clonedSearchOutlines.splice(this.selectedSearchOutline, 1);
                if (this.searchOutlines[this.selectedSearchOutline].length < 1 || clonedSearchOutlines.includes(this.searchOutlines[this.selectedSearchOutline])) {
                    this.searchOutlines[this.selectedSearchOutline] = this.serverSearchOutlineName;
                    return false;
                }
                return true;
            },
            searchOutlineChanged() {
                if (!this.loggedIn) return;
                if (this.searchOutlineChangeTimeout != null) {
                    clearTimeout(this.searchOutlineChangeTimeout);
                }
                this.timeoutInProgress = true;
                this.searchOutlineChangeTimeout = setTimeout(() => {
                    this.uploadAll();
                    this.timeoutInProgress = false;
                }, UPLOAD_DELAY);
            },
            uploadAll() {
                let name = this.searchOutlines[this.selectedSearchOutline];
                this.uploadFilters(name, clone(this.searchOutline.filters));
                this.uploadDisabledShops(name, clone(this.searchOutline.shopToggles));
            },
            async uploadFilters(name, filters) {
                if (!this.loggedIn) return;
                this.validateAllNumericalInputs();
                this.updatingFilters = true;
                let uploadFilterResponse = await apiHttp.put(`SearchOutline/${name}/Filters`, filters);
                this.updatingFilters = false;
                if (uploadFilterResponse.status != 204) {
                    throw `Error while attempting to upload filters. Response code ${uploadFilterResponse.status} (expected 204).`;
                }
            },
            async uploadDisabledShops(name, disabledShops) {
                if (!this.loggedIn) return;
                this.updatingDisabledShops = true;
                let disabledShopSet = [];
                Object.keys(disabledShops).forEach(key => {
                    if (!this.searchOutline.shopToggles[key]) {
                        disabledShopSet.push(key);
                    }
                });
                let uploadDisabledShopsResponse = await apiHttp.put(`SearchOutline/${name}/DisabledShops`, disabledShopSet);
                this.updatingDisabledShops = false;
                if (uploadDisabledShopsResponse.status != 204) {
                    throw `Error while attempting to upload disabled shops. Response code ${uploadDisabledShopsResponse.status}  (expected 204).`;
                }
            },
            async createSearchOutline(name) {
                if (!this.loggedIn) return;
                this.creatingSearchOutline = true;
                let createRequest = await apiHttp.post("SearchOutline/" + name);
                this.creatingSearchOutline = false;
                if (createRequest.status != 204) {
                    throw `Could not create profile. Response code ${createRequest.status} (expected 204).`;
                }
                this.searchOutlines.push(name);
            },
            async updateLastUsed(name) {
                if (!this.loggedIn) return;
                this.updatingLastUsed = true;
                let lastUsedRequest = await apiHttp.put("SearchOutline/" + name + "/LastUsed");
                this.updatingLastUsed = false;
                if (lastUsedRequest.status != 204) {
                    throw `Could not update last used search outline. Received status code ${lastUsedRequest.status} (expected 204).`;
                }
            },
            async changeSearchOutlineName(old, current) {
                if (!this.loggedIn) return;
                this.changingName = true;
                let nameChangeRequest = await apiHttp.put(`SearchOutline/${old}/Name/${current}`);
                this.changingName = false;
                if (nameChangeRequest.status != 204) {
                    throw `Could not update name on server side. Received ${nameChangeRequest.status} (expected 204).`;
                }
                this.serverSearchOutlineName = current;
            },
            async loadSearchOutline(name) {
                this.searchOutline.ready = false;
                if (!this.loggedIn) {
                    let defaultNameRequest = await apiHttp.get("SearchOutline/DefaultName");
                    if (defaultNameRequest.status != 200) {
                        console.error(`Could not load default search outline name. Got response code ${defaultNameRequest.status} (Expected 200).`);
                        return;
                    }
                    this.searchOutlines.push(defaultNameRequest.data);
                    let disabledShopsResponse = await apiHttp.get("SearchOutline/DefaultDisabledShops");
                    let availableShops = (await apiHttp.get("Search/AvailableShops")).data;
                    if (disabledShopsResponse.status == 200) {
                        availableShops.forEach(shopName => {
                            this.searchOutline.shopToggles[shopName] = !disabledShopsResponse.data.includes(shopName);
                        });
                    } else {
                        console.error(`Could not fetch default disabled shops for "${name}". Status code: ${disabledShopsResponse.status} (Expected 200)`);
                        return;
                    }
                } else {
                    if (this.searchOutlineChangeTimeout != null) {
                        clearTimeout(this.searchOutlineChangeTimeout);
                        this.uploadAll();
                    }
                    let filterResponse = await apiHttp.get("SearchOutline/" + name + "/Filters");
                    if (filterResponse.status == 200) {
                        this.searchOutline.filters = filterResponse.data;
                    } else {
                        console.error(`Could not fetch filter for "${name}". Status code: ${filterResponse.status} (Expected 200)`);
                        return;
                    }

                    let disabledShopsResponse = await apiHttp.get("SearchOutline/" + name + "/DisabledShops");
                    let availableShops = (await apiHttp.get("Search/AvailableShops")).data;
                    if (disabledShopsResponse.status == 200) {
                        availableShops.forEach(shopName => {
                            this.searchOutline.shopToggles[shopName] = !disabledShopsResponse.data.includes(shopName);
                        });
                    } else {
                        console.error(`Could not fetch disabled shops for "${name}". Status code: ${disabledShopsResponse.status} (Expected 200)`);
                        return;
                    }
                    await this.updateLastUsed(name);
                }
                this.serverSearchOutlineName = name;
                this.searchOutline.ready = true;
            },
            createSearchOutlineWithGeneratedName() {
                apiHttp.get("SearchOutline/DefaultName/").then((response) => {
                    if (response.status != 200) {
                        throw `Could not get a default name. Response code ${response.status} (expected 200).`;
                    }
                    this.createSearchOutline(response.data);
                });
            },
            deleteSearchOutline(name) {
                this.deletingSearchOutline = true;
                let beforeDelete = this.searchOutlines[this.selectedSearchOutline];
                if (this.selectedSearchOutline == this.searchOutlines.length - 1 && this.searchOutlines.indexOf(name) <= this.selectedSearchOutline) {
                    this.selectedSearchOutline -= 1;
                }
                apiHttp.delete(`SearchOutline/${name}`).then((results) => {
                    this.deletingSearchOutline = false;
                    if (results.status != 204) {
                        throw `Unable to delete ${name}. Received status ${results.status} (expected 204)`;
                    }
                    this.searchOutlines.splice(this.searchOutlines.indexOf(name), 1);
                    if (beforeDelete !== this.searchOutlines[this.selectedSearchOutline]) {
                        this.loadSearchOutline(this.searchOutlines[this.selectedSearchOutline]).then(() => {
                            this.deletingSearchOutline = false;
                        });
                    } else {
                        this.deletingSearchOutline = false;
                    }
                });
            },
            async init() {
                // TODO: Test logged in outline sequence and logged out outline sequence.
                this.loggedIn = (await apiHttp.get("User/LoggedIn")).data;
                if (this.loggedIn) {
                    this.searchOutlines = (await apiHttp.get("SearchOutline/Names")).data;
                    if (this.searchOutlines.length == 0) {
                        let name = (await apiHttp.get("SearchOutline/DefaultName")).data;
                        try {
                            await this.createSearchOutline(name);
                            await this.updateLastUsed(name);
                        } catch (error) {
                            console.error(error);
                            return;
                        }
                    } else {
                        let lastUsedRequest = await apiHttp.get("SearchOutline/LastUsed");
                        if (lastUsedRequest.status == 200) {
                            this.selectedSearchOutline = this.searchOutlines.indexOf(lastUsedRequest.data);
                        } else {
                            console.warn(`Could not load name of last used search outline. Got response code ${lastUsedRequest.status} (Expected 200). Using "${this.searchOutlines[0]}".`);
                            let putlastUsedRequest = await apiHttp.put("SearchOutline/" + this.searchOutlines[this.selectedSearchOutline] + "/LastUsed");
                            if (putlastUsedRequest.status != 204) {
                                console.error(`Could not update last used search outline. Received status code ${putlastUsedRequest.status} (Expected 204).`);
                                return;
                            }
                        }
                    }
                }
                this.loadSearchOutline(this.searchOutlines[this.selectedSearchOutline]);
            }
        }));
    });

    Alpine.start();
}

function initSlides() {
    document.querySelectorAll("#content-pages > .selectors > .nav-item > button").forEach(tabElem => {
        tabElem.addEventListener("click", () => {
            const destUrl = new URL(tabElem.getAttribute("data-bs-target"), window.location.href);
            if (location.href === destUrl.href) return;
            history.pushState({}, document.title, destUrl);
        });
    });
    const goTo = () => {
        const match = location.href.match("(#[\\w-]+)");
        const idAnchor = match && match[1] ? match[1] : START_SLIDE;
        document.querySelector("#content-pages > .selectors > .nav-item > .active")?.classList.remove("active");
        document.querySelector("#content-pages > .multipage-slides > .active.show")?.classList.remove("active", "show");
        document.querySelector(`#content-pages > .selectors > .nav-item > [data-bs-target="${idAnchor}"]`).classList.add("active");
        document.querySelector(`#content-pages > .multipage-slides > ${idAnchor}`).classList.add("active", "show");
    };
    window.addEventListener("popstate", goTo);
    goTo();

    require("bootstrap/js/dist/tab.js");
    document.querySelector("#content-pages").classList.remove("invisible");
}

async function main() {
    initInteractiveElements();
    initSlides();
    initConfigData();
}

main();