package seasonsview

import "git.haelnorr.com/h/oslstats/internal/db"
import "git.haelnorr.com/h/oslstats/internal/permissions"
import "git.haelnorr.com/h/oslstats/internal/contexts"
import "git.haelnorr.com/h/oslstats/internal/view/baseview"
import "fmt"
import "time"

func formatScheduleTime(t *time.Time) string {
	if t == nil {
		return "No time set"
	}
	return t.Format("Mon 2 Jan 2006 at 3:04 PM")
}

func formatHistoryTime(unix int64) string {
	return time.Unix(unix, 0).Format("2 Jan 2006 15:04")
}

templ FixtureDetailPage(
	fixture *db.Fixture,
	currentSchedule *db.FixtureSchedule,
	history []*db.FixtureSchedule,
	canSchedule bool,
	userTeamID int,
) {
	{{
		permCache := contexts.Permissions(ctx)
		canManage := permCache.HasPermission(permissions.FixturesManage)
		backURL := fmt.Sprintf("/seasons/%s/leagues/%s/fixtures", fixture.Season.ShortName, fixture.League.ShortName)
	}}
	@baseview.Layout(fmt.Sprintf("%s vs %s", fixture.HomeTeam.Name, fixture.AwayTeam.Name)) {
		<div class="max-w-screen-lg mx-auto px-4 py-8">
			<!-- Header -->
			<div class="bg-mantle border border-surface1 rounded-lg overflow-hidden mb-6">
				<div class="bg-surface0 border-b border-surface1 px-6 py-8">
					<div class="flex flex-col sm:flex-row justify-between items-start sm:items-center gap-4">
						<div>
							<div class="flex items-center gap-4 mb-2">
								<h1 class="text-3xl font-bold text-text">
									{ fixture.HomeTeam.Name }
									<span class="text-subtext0 font-normal">vs</span>
									{ fixture.AwayTeam.Name }
								</h1>
							</div>
							<div class="flex items-center gap-2 flex-wrap">
								<span class="px-2 py-0.5 bg-surface1 text-subtext0 rounded text-xs font-mono">
									Round { fmt.Sprint(fixture.Round) }
								</span>
								if fixture.GameWeek != nil {
									<span class="px-2 py-0.5 bg-surface1 text-subtext0 rounded text-xs font-mono">
										Game Week { fmt.Sprint(*fixture.GameWeek) }
									</span>
								}
								<span class="text-subtext1 text-sm">
									{ fixture.Season.Name } — { fixture.League.Name }
								</span>
							</div>
						</div>
						<a
							href={ templ.SafeURL(backURL) }
							class="rounded-lg px-4 py-2 hover:cursor-pointer text-center
								bg-surface1 hover:bg-surface2 text-text transition"
						>
							Back to Fixtures
						</a>
					</div>
				</div>
			</div>
			<!-- Schedule Status + Actions -->
			<div class="space-y-6">
				@fixtureScheduleStatus(fixture, currentSchedule, canSchedule, canManage, userTeamID)
				@fixtureScheduleActions(fixture, currentSchedule, canSchedule, canManage, userTeamID)
				@fixtureScheduleHistory(fixture, history)
			</div>
		</div>
	}
}

templ fixtureScheduleStatus(
	fixture *db.Fixture,
	current *db.FixtureSchedule,
	canSchedule bool,
	canManage bool,
	userTeamID int,
) {
	<div class="bg-mantle border border-surface1 rounded-lg overflow-hidden">
		<div class="bg-surface0 border-b border-surface1 px-4 py-3">
			<h2 class="text-lg font-bold text-text">Schedule Status</h2>
		</div>
		<div class="p-6">
			if current == nil {
				<!-- No schedule yet -->
				<div class="text-center py-4">
					<div class="text-4xl mb-3">📅</div>
					<p class="text-lg text-text font-medium">No time scheduled</p>
					<p class="text-sm text-subtext1 mt-1">
						if canSchedule {
							Use the form to propose a time for this fixture.
						} else {
							A team manager needs to propose a time for this fixture.
						}
					</p>
				</div>
			} else if current.Status == db.ScheduleStatusPending && current.ScheduledTime != nil {
				<!-- Pending proposal with time -->
				<div class="text-center py-4">
					<div class="text-4xl mb-3">⏳</div>
					<p class="text-lg text-text font-medium">
						Proposed: { formatScheduleTime(current.ScheduledTime) }
					</p>
					<p class="text-sm text-subtext1 mt-1">
						Proposed by
						<span class="text-text font-medium">{ current.ProposedBy.Name }</span>
						— awaiting response from the other team
					</p>
					if canSchedule && userTeamID != current.ProposedByTeamID {
						<div class="flex justify-center gap-3 mt-4">
							<form
								hx-post={ fmt.Sprintf("/fixtures/%d/schedule/%d/accept", fixture.ID, current.ID) }
								hx-swap="none"
							>
								<button
									type="submit"
									class="px-4 py-2 bg-green hover:bg-green/75 text-mantle rounded-lg
										font-medium transition hover:cursor-pointer"
								>
									Accept
								</button>
							</form>
							<form
								hx-post={ fmt.Sprintf("/fixtures/%d/schedule/%d/reject", fixture.ID, current.ID) }
								hx-swap="none"
							>
								<button
									type="submit"
									class="px-4 py-2 bg-red hover:bg-red/80 text-mantle rounded-lg
										font-medium transition hover:cursor-pointer"
								>
									Reject
								</button>
							</form>
						</div>
					}
					if canSchedule && userTeamID == current.ProposedByTeamID {
						<div class="flex justify-center mt-4">
							<button
								type="button"
								@click={ "window.dispatchEvent(new CustomEvent('confirm-action', { detail: { title: 'Withdraw Proposal', message: 'Are you sure you want to withdraw your proposed time?', action: () => htmx.ajax('POST', '/fixtures/" + fmt.Sprint(fixture.ID) + "/schedule/" + fmt.Sprint(current.ID) + "/withdraw', { swap: 'none' }) } }))" }
								class="px-4 py-2 bg-surface1 hover:bg-surface2 text-text rounded-lg
									font-medium transition hover:cursor-pointer"
							>
								Withdraw Proposal
							</button>
						</div>
					}
				</div>
			} else if current.Status == db.ScheduleStatusAccepted {
				<!-- Accepted / Confirmed -->
				<div class="text-center py-4">
					<div class="text-4xl mb-3">✅</div>
					<p class="text-lg text-green font-medium">
						Confirmed: { formatScheduleTime(current.ScheduledTime) }
					</p>
					<p class="text-sm text-subtext1 mt-1">
						Both teams have agreed on this time.
					</p>
				</div>
			} else if current.Status == db.ScheduleStatusRejected {
				<!-- Rejected -->
				<div class="text-center py-4">
					<div class="text-4xl mb-3">❌</div>
					<p class="text-lg text-red font-medium">Proposal Rejected</p>
					<p class="text-sm text-subtext1 mt-1">
						The proposed time was rejected. A new time needs to be proposed.
					</p>
				</div>
			} else if current.Status == db.ScheduleStatusCancelled {
				<!-- Cancelled / Forfeit -->
				<div class="text-center py-4">
					<div class="text-4xl mb-3">🚫</div>
					<p class="text-lg text-red font-medium">Fixture Forfeited</p>
					if current.RescheduleReason != nil {
						<p class="text-sm text-subtext1 mt-1">
							{ *current.RescheduleReason }
						</p>
					}
				</div>
			} else if current.Status == db.ScheduleStatusRescheduled {
				<!-- Rescheduled (terminal - new proposal should follow) -->
				<div class="text-center py-4">
					<div class="text-4xl mb-3">🔄</div>
					<p class="text-lg text-yellow font-medium">Rescheduled</p>
					if current.RescheduleReason != nil {
						<p class="text-sm text-subtext1 mt-1">
							Reason: { *current.RescheduleReason }
						</p>
					}
					<p class="text-sm text-subtext1 mt-1">
						A new time needs to be proposed.
					</p>
				</div>
			} else if current.Status == db.ScheduleStatusPostponed {
				<!-- Postponed (terminal - new proposal should follow) -->
				<div class="text-center py-4">
					<div class="text-4xl mb-3">⏸️</div>
					<p class="text-lg text-peach font-medium">Postponed</p>
					if current.RescheduleReason != nil {
						<p class="text-sm text-subtext1 mt-1">
							Reason: { *current.RescheduleReason }
						</p>
					}
					<p class="text-sm text-subtext1 mt-1">
						A new time needs to be proposed.
					</p>
				</div>
			} else if current.Status == db.ScheduleStatusWithdrawn {
				<!-- Withdrawn -->
				<div class="text-center py-4">
					<div class="text-4xl mb-3">↩️</div>
					<p class="text-lg text-subtext0 font-medium">Proposal Withdrawn</p>
					<p class="text-sm text-subtext1 mt-1">
						The proposed time was withdrawn. A new time needs to be proposed.
					</p>
				</div>
			}
		</div>
	</div>
}

templ fixtureScheduleActions(
	fixture *db.Fixture,
	current *db.FixtureSchedule,
	canSchedule bool,
	canManage bool,
	userTeamID int,
) {
	{{
		// Determine what actions are available
		showPropose := false
		showReschedule := false
		showPostpone := false
		showCancel := false

		if canSchedule {
			if current == nil {
				showPropose = true
			} else if current.Status == db.ScheduleStatusRejected {
				showPropose = true
			} else if current.Status == db.ScheduleStatusRescheduled {
				showPropose = true
			} else if current.Status == db.ScheduleStatusPostponed {
				showPropose = true
			} else if current.Status == db.ScheduleStatusWithdrawn {
				showPropose = true
			} else if current.Status == db.ScheduleStatusAccepted {
				showReschedule = true
				showPostpone = true
			}
		}
		if canManage && current != nil && !current.Status.IsTerminal() {
			showCancel = true
		}
	}}
	if showPropose || showReschedule || showPostpone || showCancel {
		<div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
			<!-- Propose Time -->
			if showPropose {
				<div class="bg-mantle border border-surface1 rounded-lg">
					<div class="bg-surface0 border-b border-surface1 px-4 py-3 rounded-t-lg">
						<h3 class="text-md font-bold text-text">Propose Time</h3>
					</div>
					<div class="p-4">
						<form
							hx-post={ fmt.Sprintf("/fixtures/%d/schedule", fixture.ID) }
							hx-swap="none"
							class="space-y-4"
						>
							<div>
								<label class="block text-sm font-medium text-subtext0 mb-1">Date & Time</label>
								<input
									type="datetime-local"
									name="scheduled_time"
									required
									class="w-full px-3 py-2 bg-base border border-surface1 rounded-lg text-text
										focus:border-blue focus:outline-none"
								/>
							</div>
							<button
								type="submit"
								class="w-full px-4 py-2 bg-blue hover:bg-blue/80 text-mantle rounded-lg
									font-medium transition hover:cursor-pointer"
							>
								Propose Time
							</button>
						</form>
					</div>
				</div>
			}
			<!-- Reschedule -->
			if showReschedule {
				<div class="bg-mantle border border-surface1 rounded-lg">
					<div class="bg-surface0 border-b border-surface1 px-4 py-3 rounded-t-lg">
						<h3 class="text-md font-bold text-text">Reschedule</h3>
					</div>
					<div class="p-4">
						<form
							hx-post={ fmt.Sprintf("/fixtures/%d/schedule/reschedule", fixture.ID) }
							hx-swap="none"
							class="space-y-4"
						>
							<div>
								<label class="block text-sm font-medium text-subtext0 mb-1">New Date & Time</label>
								<input
									type="datetime-local"
									name="scheduled_time"
									required
									class="w-full px-3 py-2 bg-base border border-surface1 rounded-lg text-text
										focus:border-blue focus:outline-none"
								/>
							</div>
							<div>
								<label class="block text-sm font-medium text-subtext0 mb-1">Reason</label>
								@rescheduleReasonSelect(fixture)
							</div>
							<button
								type="submit"
								class="w-full px-4 py-2 bg-yellow hover:bg-yellow/80 text-mantle rounded-lg
									font-medium transition hover:cursor-pointer"
							>
								Reschedule
							</button>
						</form>
					</div>
				</div>
			}
			<!-- Postpone -->
			if showPostpone {
				<div class="bg-mantle border border-surface1 rounded-lg">
					<div class="bg-surface0 border-b border-surface1 px-4 py-3 rounded-t-lg">
						<h3 class="text-md font-bold text-text">Postpone</h3>
					</div>
					<div class="p-4">
						<div class="space-y-4">
							<div>
								<label class="block text-sm font-medium text-subtext0 mb-1">Reason</label>
								@rescheduleReasonSelect(fixture)
							</div>
							<button
								type="button"
								@click={ fmt.Sprintf("if (!$el.parentElement.querySelector('select').value) { return; } window.dispatchEvent(new CustomEvent('confirm-action', { detail: { title: 'Postpone Fixture', message: 'Are you sure you want to postpone this fixture? The current schedule will be cleared.', action: () => htmx.ajax('POST', '/fixtures/%d/schedule/postpone', { swap: 'none', values: { reschedule_reason: $el.parentElement.querySelector('select').value } }) } }))", fixture.ID) }
								class="w-full px-4 py-2 bg-peach hover:bg-peach/80 text-mantle rounded-lg
									font-medium transition hover:cursor-pointer"
							>
								Postpone Fixture
							</button>
						</div>
					</div>
				</div>
			}
			<!-- Declare Forfeit (moderator only) -->
			if showCancel {
				<div class="bg-mantle border border-red/30 rounded-lg">
					<div class="bg-red/10 border-b border-red/30 px-4 py-3 rounded-t-lg">
						<h3 class="text-md font-bold text-red">Declare Forfeit</h3>
					</div>
					<div class="p-4">
						<p class="text-xs text-red/80 mb-3 font-medium">
							This action is irreversible. Declaring a forfeit will permanently cancel the fixture schedule.
						</p>
						<div class="space-y-4">
							<div>
								<label class="block text-sm font-medium text-subtext0 mb-1">Forfeiting Team</label>
								@forfeitReasonSelect(fixture)
							</div>
							<button
								type="button"
								@click={ fmt.Sprintf("if (!$el.parentElement.querySelector('select').value) { return; } window.dispatchEvent(new CustomEvent('confirm-action', { detail: { title: 'Declare Forfeit', message: 'This action is IRREVERSIBLE. The fixture schedule will be permanently cancelled. Are you sure?', action: () => htmx.ajax('POST', '/fixtures/%d/schedule/cancel', { swap: 'none', values: { reschedule_reason: $el.parentElement.querySelector('select').value } }) } }))", fixture.ID) }
								class="w-full px-4 py-2 bg-red hover:bg-red/80 text-mantle rounded-lg
									font-medium transition hover:cursor-pointer"
							>
								Declare Forfeit
							</button>
						</div>
					</div>
				</div>
			}
		</div>
	} else {
		if !canSchedule && !canManage {
			<div class="bg-mantle border border-surface1 rounded-lg p-6 text-center">
				<p class="text-subtext1 text-sm">
					Only team managers can manage fixture scheduling.
				</p>
			</div>
		}
	}
}

templ forfeitReasonSelect(fixture *db.Fixture) {
	<select
		name="reschedule_reason"
		required
		class="w-full px-3 py-2 bg-base border border-surface1 rounded-lg text-text
			focus:border-blue focus:outline-none hover:cursor-pointer"
	>
		<option value="" disabled selected>Select forfeiting team</option>
		<option value={ fmt.Sprintf("%s Forfeit", fixture.HomeTeam.Name) }>
			{ fixture.HomeTeam.Name } Forfeit
		</option>
		<option value={ fmt.Sprintf("%s Forfeit", fixture.AwayTeam.Name) }>
			{ fixture.AwayTeam.Name } Forfeit
		</option>
	</select>
}

templ rescheduleReasonSelect(fixture *db.Fixture) {
	<select
		name="reschedule_reason"
		required
		class="w-full px-3 py-2 bg-base border border-surface1 rounded-lg text-text
			focus:border-blue focus:outline-none hover:cursor-pointer"
	>
		<option value="" disabled selected>Select a reason</option>
		<option value="Mutually Agreed">Mutually Agreed</option>
		<option value={ fmt.Sprintf("%s Unavailable", fixture.HomeTeam.Name) }>
			{ fixture.HomeTeam.Name } Unavailable
		</option>
		<option value={ fmt.Sprintf("%s Unavailable", fixture.AwayTeam.Name) }>
			{ fixture.AwayTeam.Name } Unavailable
		</option>
		<option value={ fmt.Sprintf("%s No-show", fixture.HomeTeam.Name) }>
			{ fixture.HomeTeam.Name } No-show
		</option>
		<option value={ fmt.Sprintf("%s No-show", fixture.AwayTeam.Name) }>
			{ fixture.AwayTeam.Name } No-show
		</option>
	</select>
}

templ fixtureScheduleHistory(fixture *db.Fixture, history []*db.FixtureSchedule) {
	<div class="bg-mantle border border-surface1 rounded-lg overflow-hidden">
		<div class="bg-surface0 border-b border-surface1 px-4 py-3">
			<h2 class="text-lg font-bold text-text">Schedule History</h2>
		</div>
		<div class="p-4">
			if len(history) == 0 {
				<p class="text-subtext1 text-sm text-center py-4">No scheduling activity yet.</p>
			} else {
				<div class="space-y-3">
					for i := len(history) - 1; i >= 0; i-- {
						@scheduleHistoryItem(history[i], i == len(history)-1)
					}
				</div>
			}
		</div>
	</div>
}

templ scheduleHistoryItem(schedule *db.FixtureSchedule, isCurrent bool) {
	{{
		statusColor := "text-subtext0"
		statusBg := "bg-surface1"
		statusLabel := string(schedule.Status)
		switch schedule.Status {
		case db.ScheduleStatusPending:
			statusColor = "text-blue"
			statusBg = "bg-blue/20"
			statusLabel = "Pending"
		case db.ScheduleStatusAccepted:
			statusColor = "text-green"
			statusBg = "bg-green/20"
			statusLabel = "Accepted"
		case db.ScheduleStatusRejected:
			statusColor = "text-red"
			statusBg = "bg-red/20"
			statusLabel = "Rejected"
		case db.ScheduleStatusRescheduled:
			statusColor = "text-yellow"
			statusBg = "bg-yellow/20"
			statusLabel = "Rescheduled"
		case db.ScheduleStatusPostponed:
			statusColor = "text-peach"
			statusBg = "bg-peach/20"
			statusLabel = "Postponed"
		case db.ScheduleStatusCancelled:
			statusColor = "text-red"
			statusBg = "bg-red/20"
			statusLabel = "Cancelled"
		case db.ScheduleStatusWithdrawn:
			statusColor = "text-subtext0"
			statusBg = "bg-surface1"
			statusLabel = "Withdrawn"
		}
	}}
	<div class={ "border rounded-lg p-3", templ.KV("border-surface1", !isCurrent), templ.KV("border-blue/30 bg-blue/5", isCurrent) }>
		<div class="flex items-center justify-between mb-2">
			<div class="flex items-center gap-2">
				if isCurrent {
					<span class="text-xs px-1.5 py-0.5 bg-blue/20 text-blue rounded font-medium">
						CURRENT
					</span>
				}
				<span class={ "text-xs px-2 py-0.5 rounded font-medium", statusBg, statusColor }>
					{ statusLabel }
				</span>
			</div>
			<span class="text-xs text-subtext1">
				{ formatHistoryTime(schedule.CreatedAt) }
			</span>
		</div>
		<div class="space-y-1">
			<div class="flex items-center gap-2 text-sm">
				<span class="text-subtext0">Proposed by:</span>
				<span class="text-text font-medium">{ schedule.ProposedBy.Name }</span>
			</div>
			if schedule.ScheduledTime != nil {
				<div class="flex items-center gap-2 text-sm">
					<span class="text-subtext0">Time:</span>
					<span class="text-text">{ formatScheduleTime(schedule.ScheduledTime) }</span>
				</div>
			} else {
				<div class="flex items-center gap-2 text-sm">
					<span class="text-subtext0">Time:</span>
					<span class="text-subtext1 italic">No time set</span>
				</div>
			}
			if schedule.AcceptedBy != nil {
				<div class="flex items-center gap-2 text-sm">
					<span class="text-subtext0">Accepted by:</span>
					<span class="text-text font-medium">{ schedule.AcceptedBy.Name }</span>
				</div>
			}
			if schedule.RescheduleReason != nil {
				<div class="flex items-center gap-2 text-sm">
					<span class="text-subtext0">Reason:</span>
					<span class="text-text">{ *schedule.RescheduleReason }</span>
				</div>
			}
		</div>
	</div>
}