package form

import "git.haelnorr.com/h/oslstats/internal/view/component/datepicker"

templ NewSeason() {
	<form
		hx-post="/seasons/new"
		hx-swap="none"
		x-data={ templ.JSFuncCall("newSeasonFormData").CallInline }
		@submit="handleSubmit()"
		@htmx:after-request="if(submitTimeout) clearTimeout(submitTimeout); const redirect = $event.detail.xhr.getResponseHeader('HX-Redirect'); if(redirect) return; if(!$event.detail.successful) { isSubmitting=false; buttonText='Create Season'; generalError='An error occurred. Please try again.'; }"
	>
		<script>
			function newSeasonFormData() {
				return {
					canSubmit: false,
					buttonText: "Create Season",
					// Name validation state
					nameError: "",
					nameIsChecking: false,
					nameIsUnique: false,
					nameIsEmpty: true,
					// Short name validation state
					shortNameError: "",
					shortNameIsChecking: false,
					shortNameIsUnique: false,
					shortNameIsEmpty: true,
					// Date validation state
					dateError: "",
					dateIsEmpty: true,
					// Form state
					isSubmitting: false,
					generalError: "",
					submitTimeout: null,
					// Reset name errors
					resetNameErr() {
						this.nameError = "";
						this.nameIsChecking = false;
						this.nameIsUnique = false;
					},
					// Reset short name errors
					resetShortNameErr() {
						this.shortNameError = "";
						this.shortNameIsChecking = false;
						this.shortNameIsUnique = false;
					},
					// Reset date errors
					resetDateErr() {
						this.dateError = "";
					},
					// Check if form can be submitted
					updateCanSubmit() {
						this.canSubmit = !this.nameIsEmpty && this.nameIsUnique && !this.nameIsChecking &&
							!this.shortNameIsEmpty && this.shortNameIsUnique && !this.shortNameIsChecking &&
							!this.dateIsEmpty;
					},
					// Handle form submission
					handleSubmit() {
						this.isSubmitting = true;
						this.buttonText = 'Creating...';
						this.generalError = '';
						// Set timeout for 10 seconds
						this.submitTimeout = setTimeout(() => {
							this.isSubmitting = false;
							this.buttonText = 'Create Season';
							this.generalError = 'Request timed out. Please try again.';
						}, 10000);
					}
				};
			}
		</script>
		<div class="grid gap-y-5">
			<!-- Name Field -->
			<div>
				<label for="name" class="block text-sm font-medium mb-2">Season Name</label>
				<div class="relative">
					<input
						type="text"
						id="name"
						name="name"
						maxlength="20"
						x-bind:class="{
							'py-3 px-4 block w-full rounded-lg text-sm bg-base disabled:opacity-50 disabled:pointer-events-none border-2 outline-none': true,
							'border-overlay0 focus:border-blue': !nameIsUnique && !nameError,
							'border-green focus:border-green': nameIsUnique && !nameIsChecking && !nameError,
							'border-red focus:border-red': nameError && !nameIsChecking && !isSubmitting
						}"
						required
						placeholder="e.g. Season 1"
						@input="resetNameErr(); nameIsEmpty = $el.value.trim() === ''; if(nameIsEmpty) { nameError='Season name is required'; nameIsUnique=false; } updateCanSubmit();"
						hx-post="/htmx/isseasonnameunique"
						hx-trigger="input changed delay:500ms"
						hx-swap="none"
						@htmx:before-request="if($el.value.trim() === '') { nameIsEmpty=true; return; } nameIsEmpty=false; nameIsChecking=true; nameIsUnique=false; nameError=''; updateCanSubmit();"
						@htmx:after-request="nameIsChecking=false; if($event.detail.successful) { nameIsUnique=true; } else if($event.detail.xhr.status === 409) { nameError='This season name is already taken'; nameIsUnique=false; } updateCanSubmit();"
					/>
					<p class="text-xs text-subtext1 mt-1">Maximum 20 characters</p>
				</div>
				<p
					class="text-center text-xs text-red mt-2"
					x-show="nameError && !isSubmitting"
					x-cloak
					x-text="nameError"
				></p>
			</div>
			<!-- Short Name Field -->
			<div>
				<label for="short_name" class="block text-sm font-medium mb-2">Short Name</label>
				<div class="relative">
					<input
						type="text"
						id="short_name"
						name="short_name"
						maxlength="6"
						x-bind:class="{
							'py-3 px-4 block w-full rounded-lg text-sm bg-base disabled:opacity-50 disabled:pointer-events-none border-2 outline-none uppercase': true,
							'border-overlay0 focus:border-blue': !shortNameIsUnique && !shortNameError,
							'border-green focus:border-green': shortNameIsUnique && !shortNameIsChecking && !shortNameError,
							'border-red focus:border-red': shortNameError && !shortNameIsChecking && !isSubmitting
						}"
						required
						placeholder="e.g. S1"
						pattern="[A-Z0-9]+"
						@input="
							let val = $el.value.toUpperCase().replace(/[^A-Z0-9]/g, '');
							$el.value = val;
							resetShortNameErr();
							shortNameIsEmpty = val.trim() === '';
							if(shortNameIsEmpty) {
								shortNameError='Short name is required';
								shortNameIsUnique=false;
							}
							updateCanSubmit();
						"
						hx-post="/htmx/isseasonshortnameunique"
						hx-trigger="input changed delay:500ms"
						hx-swap="none"
						@htmx:before-request="if($el.value.trim() === '') { shortNameIsEmpty=true; return; } shortNameIsEmpty=false; shortNameIsChecking=true; shortNameIsUnique=false; shortNameError=''; updateCanSubmit();"
						@htmx:after-request="shortNameIsChecking=false; if($event.detail.successful) { shortNameIsUnique=true; } else if($event.detail.xhr.status === 409) { shortNameError='This short name is already taken'; shortNameIsUnique=false; } updateCanSubmit();"
					/>
					<p class="text-xs text-subtext1 mt-1">Maximum 6 characters, alphanumeric only (auto-capitalized)</p>
				</div>
				<p
					class="text-center text-xs text-red mt-2"
					x-show="shortNameError && !isSubmitting"
					x-cloak
					x-text="shortNameError"
				></p>
			</div>
			<!-- Start Date Field -->
			@datepicker.DatePicker("start_date", "start_date", "Start Date", "DD/MM/YYYY", true, "dateIsEmpty = $el.value === ''; resetDateErr(); if(dateIsEmpty) { dateError='Start date is required'; } updateCanSubmit();")
			<p
				class="text-center text-xs text-red mt-2"
				x-show="dateError && !isSubmitting"
				x-cloak
				x-text="dateError"
			></p>
			<!-- General Error Message -->
			<p
				class="text-center text-sm text-red"
				x-show="generalError"
				x-cloak
				x-text="generalError"
			></p>
			<!-- Submit Button -->
			<button
				x-bind:disabled="!canSubmit || isSubmitting"
				x-text="buttonText"
				type="submit"
				class="w-full py-3 px-4 inline-flex justify-center items-center 
                    gap-x-2 rounded-lg border border-transparent transition text-base font-semibold
                    bg-blue hover:bg-blue/75 text-mantle hover:cursor-pointer
                    disabled:bg-blue/40 disabled:cursor-not-allowed"
			></button>
		</div>
	</form>
}