import { Component, Input, OnInit } from "@angular/core";
import { FormArray, FormBuilder, FormGroup } from "@angular/forms";
import { ApiService } from "@cdk/services";
import { Utils } from "@cdk/utils";
import { FormValidators } from "@cdk/validators";
import { NzMessageService } from "ng-zorro-antd/message";
import { Subject, debounceTime, distinctUntilChanged, filter, finalize, switchMap, throttleTime } from "rxjs";

@Component({
	selector: "app-dish-form",
	templateUrl: "./dish-form.component.html",
	styleUrls: ["./dish-form.component.less"],
})
export class DishFormComponent {
	constructor(private fb: FormBuilder, private msg: NzMessageService, private api: ApiService) {}

	@Input() data: any;

	@Input() orgs: any[] = [];

	@Input() foods: any[] = [];

	private orgSearch$ = new Subject<Record<string, string>>();

	private foodSearch$ = new Subject<Record<string, string>>();

	formGroup!: FormGroup;

	selectedValue = null;

	orgListOfOption: Array<{ value: string; text: string }> = [];

	foodListOfOption: Array<{ value: string; text: string }> = [];

	searchedFood: Array<{ value: string; text: string }> = [];

	foodSelected: string[] = [];

	foodItemSelected: any[] = [];

	nzFilterOption = (): boolean => true;

	globalEnum = this.api.globalEnum;

	uploadLoading = false;

	addFoodVisible = false;

	get food(): FormArray {
		return this.formGroup.get("ingredient") as FormArray;
	}

	get icon() {
		return this.formGroup.get("icon")?.value;
	}

	ngOnInit(): void {
		this.formGroup = this.fb.group({
			id: this.fb.control("", []),
			name: this.fb.control("", [FormValidators.required()]),
			icon: this.fb.control("", []),
			mark: this.fb.control("", [FormValidators.required()]),
			month: this.fb.control([], []),
		});

		this.orgSearch$
			.pipe(
				debounceTime(500),
				distinctUntilChanged(),
				switchMap((q) => this.api.getOrgList(q))
			)
			.subscribe((data) => {
				const listOfOption: Array<{ value: string; text: string }> = [];
				data.body.forEach((item) => {
					listOfOption.push({
						value: item.id.toString(),
						text: item.name,
					});
				});
				this.orgListOfOption = listOfOption;
			});
		this.foodSearch$
			.pipe(
				filter((f) => !!f),
				debounceTime(500),
				distinctUntilChanged(),
				switchMap((q) => this.api.getFoodList(q))
			)
			.subscribe((data) => {
				const listOfOption: Array<{ value: string; text: string }> = [];
				data.body.forEach((item) => {
					listOfOption.push({
						value: item.key,
						text: item.name,
					});
				});
				this.searchedFood = this.searchedFood.concat(listOfOption);
				this.foodListOfOption = listOfOption;
			});
		this.setValues();
	}

	setValues() {
		this.orgListOfOption = this.orgs.map((i) => ({ text: i.name, value: i.id }));

		if (this.data) {
			// this.allMonth = this.allMonth.map((i) =>
			// 	(this.data.month ?? []).includes(i.value) ? { ...i, checked: true } : i
			// );
			this.foods.forEach((f) => {
				const item = { text: f.name, value: f.key };
				this.foodListOfOption.push(item);
				this.searchedFood.push(item);
				const num = this.data.ingredient.find((i: any) => i.key === f.key);
				if (num) {
					this.foodItemSelected.push({ num: num.value, ...item, isMain: num.isMain });
					this.foodSelected.push(f.key);
				}
			});
			this.formGroup.patchValue({
				...this.data,
				mark: this.data.marks,
			});
		}
	}

	public getValues() {
		let values = null;
		console.log("this.formGroup.getRawValue()", this.formGroup.getRawValue(), this.foodItemSelected);
		if (Utils.validateFormGroup(this.formGroup)) {
			const value = this.formGroup.getRawValue();
			// const { _nutrition, key, name, type } = this.formGroup.getRawValue();
			let ingredient: any[] = [];
			for (const f of this.foodItemSelected) {
				let num = Number(f.num);
				if (!num) {
					this.msg.error(`请输入${f.value}-${f.text}的重量`);
					return;
				}
				ingredient.push({
					isMain: f.isMain,
					key: f.value,
					value: num,
				});
			}
			const month = value.month.join(",");

			values = {
				...value,

				month,
				ingredient,
			};
		}
		return values;
	}

	onMainChange(e: boolean, key: string) {
		this.foodItemSelected.forEach((i) => {
			if (e) {
				i.isMain = false;
				if (i.value === key) {
					i.isMain = true;
				}
			} else {
				if (i.value === key) {
					i.isMain = false;
				}
			}
		});
	}

	searchOrg(value: string): void {
		if (value) {
			this.orgSearch$.next({ keyword: value });
		}
	}

	searchFood(value: string): void {
		if (value) {
			this.foodSearch$.next({ keyword: value });
		}
	}

	onFoodSelected(v: string[]) {
		this.foodItemSelected = [];
		this.searchedFood.forEach((item) => {
			if (this.foodItemSelected.some((s) => s.value === item.value)) {
				return;
			}
			if (v.includes(item.value)) {
				this.foodItemSelected.push(item);
			}
		});

		// this.foodItemSelected = this.searchedFood.filter((f) => {
		//     return v.includes(f.value)
		// });
	}

	addFood() {
		this.food.push(
			this.fb.group({
				name: this.fb.control("", [FormValidators.required()]),
				tag: this.fb.control(0, [FormValidators.required()]),
				weight: this.fb.control(0, [FormValidators.required()]),
			})
		);
	}

	removeFood(idx: number) {
		this.food.removeAt(idx);
	}

	onFileChange(e: Event) {
		const target = e.target as HTMLInputElement;
		const file = target.files![0];
		target.value = "";
		if (file.size / 1024 / 1024 >= 5) {
			this.msg.error("图片大小不能超过5M");
			return;
		}
		const fileReader = new FileReader();
		fileReader.onload = () => {
			const base64 = fileReader.result as string;
			this.formGroup.get("icon")?.setValue(base64);
		};
		fileReader.readAsDataURL(file);
	}
}