mod agent_api_keys_onboarding;
mod agent_panel_onboarding_card;
mod agent_panel_onboarding_content;
mod edit_prediction_onboarding_content;
mod plan_definitions;
mod young_account_banner;

pub use agent_api_keys_onboarding::{ApiKeysWithProviders, ApiKeysWithoutProviders};
pub use agent_panel_onboarding_card::AgentPanelOnboardingCard;
pub use agent_panel_onboarding_content::AgentPanelOnboarding;
use cloud_api_types::Plan;
pub use edit_prediction_onboarding_content::EditPredictionOnboarding;
pub use plan_definitions::PlanDefinitions;
pub use young_account_banner::YoungAccountBanner;

use std::sync::Arc;

use client::{Client, UserStore, zed_urls};
use gpui::{AnyElement, Entity, IntoElement, ParentElement};
use ui::{
    Divider, List, ListBulletItem, RegisterComponent, Tooltip, Vector, VectorName, prelude::*,
};

#[derive(PartialEq)]
pub enum SignInStatus {
    SignedIn,
    SigningIn,
    SignedOut,
}

impl From<client::Status> for SignInStatus {
    fn from(status: client::Status) -> Self {
        if status.is_signing_in() {
            Self::SigningIn
        } else if status.is_signed_out() {
            Self::SignedOut
        } else {
            Self::SignedIn
        }
    }
}

#[derive(RegisterComponent, IntoElement)]
pub struct ZedAiOnboarding {
    pub sign_in_status: SignInStatus,
    pub plan: Option<Plan>,
    pub account_too_young: bool,
    pub continue_with_zed_ai: Arc<dyn Fn(&mut Window, &mut App)>,
    pub sign_in: Arc<dyn Fn(&mut Window, &mut App)>,
    pub dismiss_onboarding: Option<Arc<dyn Fn(&mut Window, &mut App)>>,
}

impl ZedAiOnboarding {
    pub fn new(
        client: Arc<Client>,
        user_store: &Entity<UserStore>,
        continue_with_zed_ai: Arc<dyn Fn(&mut Window, &mut App)>,
        cx: &mut App,
    ) -> Self {
        let store = user_store.read(cx);
        let status = *client.status().borrow();

        Self {
            sign_in_status: status.into(),
            plan: store.plan(),
            account_too_young: store.account_too_young(),
            continue_with_zed_ai,
            sign_in: Arc::new(move |_window, cx| {
                cx.spawn({
                    let client = client.clone();
                    async move |cx| client.sign_in_with_optional_connect(true, cx).await
                })
                .detach_and_log_err(cx);
            }),
            dismiss_onboarding: None,
        }
    }

    pub fn with_dismiss(
        mut self,
        dismiss_callback: impl Fn(&mut Window, &mut App) + 'static,
    ) -> Self {
        self.dismiss_onboarding = Some(Arc::new(dismiss_callback));
        self
    }

    fn certified_user_stamp(cx: &App) -> impl IntoElement {
        div().absolute().bottom_1().right_1().child(
            Vector::new(
                VectorName::ProUserStamp,
                rems_from_px(156.),
                rems_from_px(60.),
            )
            .color(Color::Custom(cx.theme().colors().text_accent.alpha(0.8))),
        )
    }

    fn pro_trial_stamp(cx: &App) -> impl IntoElement {
        div().absolute().bottom_1().right_1().child(
            Vector::new(
                VectorName::ProTrialStamp,
                rems_from_px(156.),
                rems_from_px(60.),
            )
            .color(Color::Custom(cx.theme().colors().text.alpha(0.8))),
        )
    }

    fn business_stamp(cx: &App) -> impl IntoElement {
        div().absolute().bottom_1().right_1().child(
            Vector::new(
                VectorName::BusinessStamp,
                rems_from_px(156.),
                rems_from_px(60.),
            )
            .color(Color::Custom(cx.theme().colors().text_accent.alpha(0.8))),
        )
    }

    fn student_stamp(cx: &App) -> impl IntoElement {
        div().absolute().bottom_1().right_1().child(
            Vector::new(
                VectorName::StudentStamp,
                rems_from_px(156.),
                rems_from_px(60.),
            )
            .color(Color::Custom(cx.theme().colors().text.alpha(0.8))),
        )
    }

    fn render_dismiss_button(&self) -> Option<AnyElement> {
        self.dismiss_onboarding.as_ref().map(|dismiss_callback| {
            let callback = dismiss_callback.clone();

            h_flex()
                .absolute()
                .top_0()
                .right_0()
                .child(
                    IconButton::new("dismiss_onboarding", IconName::Close)
                        .icon_size(IconSize::Small)
                        .tooltip(Tooltip::text("Dismiss"))
                        .on_click(move |_, window, cx| {
                            telemetry::event!("Banner Dismissed", source = "AI Onboarding",);
                            callback(window, cx)
                        }),
                )
                .into_any_element()
        })
    }

    fn render_sign_in_disclaimer(&self, _cx: &mut App) -> AnyElement {
        let signing_in = matches!(self.sign_in_status, SignInStatus::SigningIn);

        v_flex()
            .w_full()
            .relative()
            .gap_1()
            .child(Headline::new("Welcome to Zed AI"))
            .child(
                Label::new("Sign in to try Zed Pro for 14 days, no credit card required.")
                    .color(Color::Muted)
                    .mb_2(),
            )
            .child(PlanDefinitions.pro_plan())
            .child(
                Button::new("sign_in", "Try Zed Pro for Free")
                    .disabled(signing_in)
                    .full_width()
                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
                    .on_click({
                        let callback = self.sign_in.clone();
                        move |_, window, cx| {
                            telemetry::event!("Start Trial Clicked", state = "pre-sign-in");
                            callback(window, cx)
                        }
                    }),
            )
            .children(self.render_dismiss_button())
            .into_any_element()
    }

    fn render_free_plan_state(&self, cx: &mut App) -> AnyElement {
        if self.account_too_young {
            v_flex()
                .relative()
                .min_w_0()
                .gap_1()
                .child(Headline::new("Welcome to Zed AI"))
                .child(YoungAccountBanner)
                .child(
                    v_flex()
                        .mt_2()
                        .gap_1()
                        .child(
                            h_flex()
                                .gap_2()
                                .child(
                                    Label::new("Pro")
                                        .size(LabelSize::Small)
                                        .color(Color::Accent)
                                        .buffer_font(cx),
                                )
                                .child(Divider::horizontal()),
                        )
                        .child(PlanDefinitions.pro_plan())
                        .child(
                            Button::new("pro", "Get Started")
                                .full_width()
                                .style(ButtonStyle::Tinted(ui::TintColor::Accent))
                                .on_click(move |_, _window, cx| {
                                    telemetry::event!(
                                        "Upgrade To Pro Clicked",
                                        state = "young-account"
                                    );
                                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx))
                                }),
                        ),
                )
                .into_any_element()
        } else {
            v_flex()
                .w_full()
                .relative()
                .gap_1()
                .child(Headline::new("Welcome to Zed AI"))
                .child(
                    v_flex()
                        .mt_2()
                        .gap_1()
                        .child(
                            h_flex()
                                .gap_2()
                                .child(
                                    Label::new("Free")
                                        .size(LabelSize::Small)
                                        .color(Color::Muted)
                                        .buffer_font(cx),
                                )
                                .child(
                                    Label::new("(Current Plan)")
                                        .size(LabelSize::Small)
                                        .color(Color::Custom(
                                            cx.theme().colors().text_muted.opacity(0.6),
                                        ))
                                        .buffer_font(cx),
                                )
                                .child(Divider::horizontal()),
                        )
                        .child(PlanDefinitions.free_plan()),
                )
                .children(self.render_dismiss_button())
                .child(
                    v_flex()
                        .mt_2()
                        .gap_1()
                        .child(
                            h_flex()
                                .gap_2()
                                .child(
                                    Label::new("Pro Trial")
                                        .size(LabelSize::Small)
                                        .color(Color::Accent)
                                        .buffer_font(cx),
                                )
                                .child(Divider::horizontal()),
                        )
                        .child(PlanDefinitions.pro_trial(true))
                        .child(
                            Button::new("pro", "Start Free Trial")
                                .full_width()
                                .style(ButtonStyle::Tinted(ui::TintColor::Accent))
                                .on_click(move |_, _window, cx| {
                                    telemetry::event!(
                                        "Start Trial Clicked",
                                        state = "post-sign-in"
                                    );
                                    cx.open_url(&zed_urls::start_trial_url(cx))
                                }),
                        ),
                )
                .into_any_element()
        }
    }

    fn render_trial_state(&self, cx: &mut App) -> AnyElement {
        v_flex()
            .w_full()
            .relative()
            .gap_1()
            .child(Self::pro_trial_stamp(cx))
            .child(Headline::new("Welcome to the Zed Pro Trial"))
            .child(
                Label::new("Here's what you get for the next 14 days:")
                    .color(Color::Muted)
                    .mb_2(),
            )
            .child(PlanDefinitions.pro_trial(false))
            .children(self.render_dismiss_button())
            .into_any_element()
    }

    fn render_pro_plan_state(&self, cx: &mut App) -> AnyElement {
        v_flex()
            .w_full()
            .relative()
            .gap_1()
            .child(Self::certified_user_stamp(cx))
            .child(Headline::new("Welcome to Zed Pro"))
            .child(
                Label::new("Here's what you get:")
                    .color(Color::Muted)
                    .mb_2(),
            )
            .child(PlanDefinitions.pro_plan())
            .children(self.render_dismiss_button())
            .into_any_element()
    }

    fn render_business_plan_state(&self, cx: &mut App) -> AnyElement {
        v_flex()
            .w_full()
            .relative()
            .gap_1()
            .child(Self::business_stamp(cx))
            .child(Headline::new("Welcome to Zed Business"))
            .child(
                Label::new("Here's what you get:")
                    .color(Color::Muted)
                    .mb_2(),
            )
            .child(PlanDefinitions.business_plan())
            .children(self.render_dismiss_button())
            .into_any_element()
    }

    fn render_student_plan_state(&self, cx: &mut App) -> AnyElement {
        v_flex()
            .w_full()
            .relative()
            .gap_1()
            .child(Self::student_stamp(cx))
            .child(Headline::new("Welcome to Zed Student"))
            .child(
                Label::new("Here's what you get:")
                    .color(Color::Muted)
                    .mb_2(),
            )
            .child(PlanDefinitions.student_plan())
            .children(self.render_dismiss_button())
            .into_any_element()
    }
}

impl RenderOnce for ZedAiOnboarding {
    fn render(self, _window: &mut ui::Window, cx: &mut App) -> impl IntoElement {
        if matches!(self.sign_in_status, SignInStatus::SignedIn) {
            match self.plan {
                None => self.render_free_plan_state(cx),
                Some(Plan::ZedFree) => self.render_free_plan_state(cx),
                Some(Plan::ZedProTrial) => self.render_trial_state(cx),
                Some(Plan::ZedPro) => self.render_pro_plan_state(cx),
                Some(Plan::ZedBusiness) => self.render_business_plan_state(cx),
                Some(Plan::ZedStudent) => self.render_student_plan_state(cx),
            }
        } else {
            self.render_sign_in_disclaimer(cx)
        }
    }
}

impl Component for ZedAiOnboarding {
    fn scope() -> ComponentScope {
        ComponentScope::Onboarding
    }

    fn name() -> &'static str {
        "Agent New User Onboarding"
    }

    fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
        fn onboarding(
            sign_in_status: SignInStatus,
            plan: Option<Plan>,
            account_too_young: bool,
        ) -> AnyElement {
            div()
                .w_full()
                .min_w_40()
                .max_w(px(1100.))
                .child(
                    AgentPanelOnboardingCard::new().child(
                        ZedAiOnboarding {
                            sign_in_status,
                            plan,
                            account_too_young,
                            continue_with_zed_ai: Arc::new(|_, _| {}),
                            sign_in: Arc::new(|_, _| {}),
                            dismiss_onboarding: None,
                        }
                        .into_any_element(),
                    ),
                )
                .into_any_element()
        }

        Some(
            v_flex()
                .min_w_0()
                .gap_4()
                .children(vec![
                    single_example(
                        "Not Signed-in",
                        onboarding(SignInStatus::SignedOut, None, false),
                    ),
                    single_example(
                        "Young Account",
                        onboarding(SignInStatus::SignedIn, None, true),
                    ),
                    single_example(
                        "Free Plan",
                        onboarding(SignInStatus::SignedIn, Some(Plan::ZedFree), false),
                    ),
                    single_example(
                        "Pro Trial",
                        onboarding(SignInStatus::SignedIn, Some(Plan::ZedProTrial), false),
                    ),
                    single_example(
                        "Pro Plan",
                        onboarding(SignInStatus::SignedIn, Some(Plan::ZedPro), false),
                    ),
                    single_example(
                        "Business Plan",
                        onboarding(SignInStatus::SignedIn, Some(Plan::ZedBusiness), false),
                    ),
                    single_example(
                        "Student Plan",
                        onboarding(SignInStatus::SignedIn, Some(Plan::ZedStudent), false),
                    ),
                ])
                .into_any_element(),
        )
    }
}

#[derive(RegisterComponent)]
pub struct AgentLayoutOnboarding {
    pub use_agent_layout: Arc<dyn Fn(&mut Window, &mut App)>,
    pub revert_to_editor_layout: Arc<dyn Fn(&mut Window, &mut App)>,
    pub dismissed: Arc<dyn Fn(&mut Window, &mut App)>,
    pub is_agent_layout: bool,
}

impl Render for AgentLayoutOnboarding {
    fn render(&mut self, _window: &mut ui::Window, _cx: &mut Context<Self>) -> impl IntoElement {
        let description = "The new threads sidebar, positioned in the far left of your workspace, allows you to manage agents across many projects. Your agent thread lives alongside it, and all other panels live on the right.";

        let dismiss_button = div().absolute().top_1().right_1().child(
            IconButton::new("dismiss", IconName::Close)
                .icon_size(IconSize::Small)
                .on_click({
                    let dismiss = self.dismissed.clone();
                    move |_, window, cx| {
                        telemetry::event!("Agentic Layout Onboarding Dismissed");
                        dismiss(window, cx)
                    }
                }),
        );

        let primary_button = if self.is_agent_layout {
            Button::new("revert", "Use Previous Layout")
                .label_size(LabelSize::Small)
                .style(ButtonStyle::Outlined)
                .on_click({
                    let revert = self.revert_to_editor_layout.clone();
                    let dismiss = self.dismissed.clone();
                    move |_, window, cx| {
                        telemetry::event!("Clicked to Use Previous Layout");
                        revert(window, cx);
                        dismiss(window, cx);
                    }
                })
        } else {
            Button::new("start", "Use New Layout")
                .label_size(LabelSize::Small)
                .style(ButtonStyle::Outlined)
                .on_click({
                    let use_layout = self.use_agent_layout.clone();
                    let dismiss = self.dismissed.clone();
                    move |_, window, cx| {
                        telemetry::event!("Clicked to Use New Layout");
                        use_layout(window, cx);
                        dismiss(window, cx);
                    }
                })
        };

        let content = v_flex()
            .min_w_0()
            .w_full()
            .relative()
            .gap_1()
            .child(Label::new("A new workspace layout for agentic work"))
            .child(Label::new(description).color(Color::Muted).mb_2())
            .child(
                List::new()
                    .child(ListBulletItem::new("Use your favorite agents in parallel"))
                    .child(ListBulletItem::new("Isolate agents using worktrees"))
                    .child(ListBulletItem::new(
                        "Combine multiple projects in one window",
                    )),
            )
            .child(
                h_flex()
                    .w_full()
                    .gap_1()
                    .flex_wrap()
                    .justify_end()
                    .child(primary_button),
            )
            .child(dismiss_button);

        AgentPanelOnboardingCard::new().child(content)
    }
}

impl Component for AgentLayoutOnboarding {
    fn scope() -> ComponentScope {
        ComponentScope::Onboarding
    }

    fn name() -> &'static str {
        "Agent Layout Onboarding"
    }

    fn preview(_window: &mut Window, cx: &mut App) -> Option<AnyElement> {
        let onboarding = cx.new(|_cx| AgentLayoutOnboarding {
            use_agent_layout: Arc::new(|_, _| {}),
            revert_to_editor_layout: Arc::new(|_, _| {}),
            dismissed: Arc::new(|_, _| {}),
            is_agent_layout: false,
        });

        Some(
            v_flex()
                .min_w_0()
                .gap_4()
                .child(single_example(
                    "Agent Layout Onboarding",
                    div()
                        .w_full()
                        .min_w_40()
                        .max_w(px(1100.))
                        .child(onboarding)
                        .into_any_element(),
                ))
                .into_any_element(),
        )
    }
}