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use crate::SharedWorkflow;
use css_in_rust_next::Style;
use mcai_models::{Workflow, WorkflowDefinition};
use std::ops::{Deref, Not};
use yew::{html, Component, Context, Html, Properties};

#[derive(PartialEq, Properties)]
pub struct WorkflowPanelProperties {
  pub workflow: SharedWorkflow,
  pub height: String,
  pub width: String,
  pub step_id: Option<u32>,
}

pub struct WorkflowPanel {
  style: Style,
}

impl Component for WorkflowPanel {
  type Message = ();
  type Properties = WorkflowPanelProperties;

  fn create(_ctx: &Context<Self>) -> Self {
    let style = Style::create("Component", include_str!("panel.css")).unwrap();
    Self { style }
  }

  fn view(&self, ctx: &Context<Self>) -> Html {
    let style = format!(
      "height: {}; width: {};",
      ctx.props().height,
      ctx.props().width,
    );

    let step_information = ctx
      .props()
      .step_id
      .map(|step_id| {
        let workflow = ctx
          .props()
          .workflow
          .lock()
          .unwrap();

        let jobs: Vec<Html> = workflow
          .jobs()
          .map(|jobs|
            jobs
              .iter()
              .filter(|job| job.step_id == step_id)
              .map(|job| {
                let parameters = super::parameters_as_html(&job.parameters);

                let progression = job.get_last_progression();

                let classes = format!("job {}", job.status.first().map(|job_status| job_status.state.clone()).unwrap_or_default());

                html!(
                  <div class={classes}>
                    <div class="field">
                      <label>{"Title"}</label>
                      <span>
                        {&job.name}
                      </span>
                    </div>
                    <div class="field status">
                      <label>{"Status"}</label>
                      <span>
                        {job.status.first().map(|job_status| html!({&job_status.state})).unwrap_or_default()}
                      </span>
                    </div>
                    <div class="field">
                      <label>{"Last Worker Instance ID"}</label>
                      <span>
                        {job.last_worker_instance_id.clone().unwrap_or_default()}
                      </span>
                    </div>
                    <div class="field">
                      <label>{"Progression"}</label>
                      <span>
                        {progression.map(|progression| progression.progression).unwrap_or_default()}
                      </span>
                    </div>
                    <div>
                      <label style="font-weight: bold;">{"Parameters"}</label>
                      <span>
                        {parameters}
                      </span>
                    </div>
                  </div>
                )
              })
              .collect()
          )
          .unwrap_or_default();

        let jobs = jobs
          .is_empty()
          .not()
          .then(||
            html!(
              <div class="jobs">
                <label>{"Jobs"}</label>
                <div class="inner">
                  {jobs}
                </div>
              </div>
            )
          )
          .unwrap_or_default();

        workflow
          .steps()
          .iter()
          .find(|step| step.id == step_id)
          .map(|step| {
            let parameters = super::parameters_as_html(&step.parameters);

            html!(
              <div class="step">
                <div class="title">
                  {format!("Step {}", step.label)}
                </div>
                <div class="content">
                  <div>
                    <label style="font-weight: bold;">{"Parameters"}</label>
                    <span>
                      {parameters}
                    </span>
                  </div>
                  {jobs}
                </div>
              </div>
            )
          })
          .unwrap_or_default()
      })
      .unwrap_or_else(|| {
        let reference = ctx
          .props()
          .workflow
          .lock()
          .unwrap()
          .reference()
          .map(|reference| html!(
            <div class="field">
              <label>
                {"Reference"}
              </label>
              <span>
                {reference}
              </span>
            </div>
          ))
          .unwrap_or_default();

        let workflow = ctx.props().workflow.lock().unwrap();
        let identifier = workflow.identifier();
        let version = workflow.version();

        let schema_version = match workflow.deref() {
          Workflow::Definition(WorkflowDefinition::Version1_8(_)) => "1.8".to_string(),
          Workflow::Definition(WorkflowDefinition::Version1_9(_)) => "1.9".to_string(),
          Workflow::Definition(WorkflowDefinition::Version1_10(_)) => "1.10".to_string(),
          Workflow::Instance(workflow_instance) => workflow_instance.schema_version.clone()
        };

        html!(
          <>
            <div class="title">
              <label>{format!("Workflow {}", identifier)}</label>
            </div>
            <div class="content">
              <div class="field">
                <label>
                  {"Version"}
                </label>
                <span>
                  {version}
                </span>
              </div>
              <div class="field">
                <label>
                  {"Schema version"}
                </label>
                <span>
                  {schema_version}
                </span>
              </div>
              {reference}
            </div>
          </>
        )
      });

    html!(
      <span class={self.style.clone()} style={style}>
        {step_information}
      </span>
    )
  }
}