//
//  AdminActionsView.swift
//  FTStore Admin
//
//  The Settings → Scraper tab of the web dashboard: everything you can tell the
//  server to do right now. The destructive ones keep their confirmation, and
//  the two that cannot be undone are fenced off in their own section.
//

import SwiftUI

struct AdminActionsView: View {
	@EnvironmentObject private var session: AdminSession

	@State private var _findQuery = ""

	var body: some View {
		List {
			_findSection
			_scrapingSection
			_maintenanceSection
			_dangerSection
		}
		.navigationTitle("Scraper Actions")
		.navigationBarTitleDisplayMode(.inline)
	}

	// MARK: Find

	private var _findSection: some View {
		Section {
			TextField("App name", text: $_findQuery)
				.textInputAutocapitalization(.never)
				.autocorrectionDisabled()

			AdminActionRow(
				title: "Find IPA",
				icon: "magnifyingglass",
				detail: "Backfill a specific app from the configured channels"
			) {
				let query = _findQuery.trimmingCharacters(in: .whitespaces)
				guard !query.isEmpty else { return .localized("Type an app name first.") }
				let ack = try await session.act(
					.post,
					"/api/actions/find-ipa",
					body: AdminRequest.Search(query: query)
				)
				return ack.summary
			}
		} header: {
			Text("Find IPA")
		} footer: {
			Text("Queues a targeted search on the worker. It runs as soon as the worker picks the job up.")
		}
	}

	// MARK: Scraping

	private var _scrapingSection: some View {
		Section {
			AdminActionRow(
				title: "Scan Now",
				icon: "arrow.clockwise.circle",
				detail: "Telegram channels and GitHub sources"
			) {
				try await session.act(.post, "/api/actions/scan").summary
			}

			AdminActionRow(
				title: "Scan Previous",
				icon: "clock.arrow.circlepath",
				detail: "Walk further back through channel history"
			) {
				try await session.act(.post, "/api/actions/scan-previous").summary
			}

			AdminActionRow(
				title: "Process Queue",
				icon: "play.circle",
				detail: "Download and ingest everything pending"
			) {
				try await session.act(.post, "/api/actions/process").summary
			}

			AdminActionRow(
				title: "Publish Feed",
				icon: "arrow.up.doc",
				detail: "Re-render ftstore.json from the catalog"
			) {
				try await session.act(.post, "/api/actions/generate-json").summary
			}
		} header: {
			Text("Scraping")
		}
	}

	// MARK: Maintenance

	private var _maintenanceSection: some View {
		Section {
			AdminActionRow(
				title: "Run Cleanup",
				icon: "sparkles",
				detail: "Retention sweep, old logs, expired caches and sessions"
			) {
				try await session.act(.post, "/api/actions/cleanup").summary
			}

			AdminActionRow(
				title: "Clear Expired Cache",
				icon: "clock.badge.xmark",
				detail: "Drop stale App Store lookups"
			) {
				try await session.act(.post, "/api/actions/cache").summary
			}

			AdminActionRow(
				title: "Clear All Cache",
				icon: "trash.slash",
				detail: "Every App Store lookup is fetched again",
				confirmation: "Clear the entire App Store cache?"
			) {
				try await session.act(.delete, "/api/actions/cache").summary
			}

			// The counterpart one field over: a build the App Store has never
			// heard of gets no icon either, and the store draws a grey
			// placeholder for it. The artwork was inside the IPA all along.
			AdminActionRow(
				title: "Extract Missing Icons",
				icon: "photo.on.rectangle",
				detail: "The server does this by itself. Press for the placeholders to go now. Never replaces App Store artwork"
			) {
				try await session.act(.post, "/api/actions/extract-icons").summary
			}

			// Its own row because it answers a specific complaint: a game
			// sitting in the Apps tab is almost always a cached lookup with
			// no genre number behind it, and nothing else here fills one in.
			AdminActionRow(
				title: "Fill In Missing Genres",
				icon: "gamecontroller",
				detail: "Decides which apps belong under Games. Only touches rows that have no genre yet"
			) {
				try await session.act(.post, "/api/actions/cache?mode=genres").summary
			}
		} header: {
			Text("Maintenance")
		}
	}

	// MARK: Danger

	private var _dangerSection: some View {
		Section {
			AdminActionRow(
				title: "Rebuild Local Storage",
				icon: "externaldrive.badge.minus",
				detail: "Deletes every stored IPA and rewinds all scan cursors",
				destructive: true,
				confirmation: "Delete every stored IPA and re-download everything? Channels, sources and settings are kept."
			) {
				let ack = try await session.act(
					.post,
					"/api/actions/reset-storage",
					body: AdminRequest.ResetStorage(clearTweakIcons: false)
				)
				return ack.summary
			}

			AdminActionRow(
				title: "Nuke Everything",
				icon: "exclamationmark.octagon",
				detail: "Catalog, queue, renames, caches and stored files",
				destructive: true,
				confirmation: "This deletes the catalog, the queue, every stored file, all feed renames and the caches. It cannot be undone."
			) {
				try await session.act(.post, "/api/actions/nuke").summary
			}
		} header: {
			Text("Danger Zone")
				.foregroundStyle(.red)
		} footer: {
			Text("Both actions run on the server and cannot be undone from here.")
		}
	}
}