use std::fs;

use serde::Deserialize;

#[derive(Debug, Deserialize)]
struct RoadmapExecutionStatus {
    #[serde(rename = "statusDate")]
    status_date: String,
    plan: String,
    #[serde(rename = "derivedFrom")]
    derived_from: DerivedFrom,
    #[serde(rename = "phaseStatus")]
    phase_status: Vec<PhaseStatus>,
    #[serde(rename = "trackStatus")]
    track_status: Vec<TrackStatus>,
    #[serde(rename = "boundaryStatus")]
    boundary_status: Vec<GroupStatus>,
    #[serde(rename = "deferredStatus")]
    deferred_status: Vec<GroupStatus>,
    notes: Vec<String>,
}

#[derive(Debug, Deserialize)]
struct DerivedFrom {
    #[serde(rename = "familyPolicy")]
    family_policy: String,
    #[serde(rename = "familyResults")]
    family_results: String,
    #[serde(rename = "ledgerSnapshot")]
    ledger_snapshot: String,
    #[serde(rename = "ledgerStatusOverlay")]
    ledger_status_overlay: String,
}

#[derive(Debug, Deserialize)]
struct PhaseStatus {
    phase: String,
    status: String,
    notes: Vec<String>,
}

#[derive(Debug, Deserialize)]
struct TrackStatus {
    track: String,
    group: String,
    status: String,
    #[serde(rename = "completedItems")]
    completed_items: Vec<String>,
    #[serde(rename = "remainingItems")]
    remaining_items: Vec<String>,
}

#[derive(Debug, Deserialize)]
struct GroupStatus {
    group: String,
    status: String,
}

#[test]
fn roadmap_execution_status_asset_is_actionable() {
    let status = load_status();

    assert_eq!(status.status_date, "2026-04-18");
    assert!(status.plan.ends_with(".md"));
    assert!(status.derived_from.family_policy.ends_with(".json"));
    assert!(status.derived_from.family_results.ends_with(".json"));
    assert!(status.derived_from.ledger_snapshot.ends_with(".json"));
    assert!(status.derived_from.ledger_status_overlay.ends_with(".json"));
    assert_eq!(status.phase_status.len(), 5);
    assert_eq!(status.track_status.len(), 5);
    assert_eq!(status.boundary_status.len(), 3);
    assert_eq!(status.deferred_status.len(), 2);
    assert!(!status.notes.is_empty());
}

#[test]
fn roadmap_execution_status_tracks_mainline_progress() {
    let status = load_status();

    let phase4 = status
        .phase_status
        .iter()
        .find(|item| item.phase == "Phase 4")
        .expect("expected phase 4 status");
    assert_eq!(phase4.status, "in_progress");
    assert!(!phase4.notes.is_empty());

    let track_a = status
        .track_status
        .iter()
        .find(|item| item.track == "Track A")
        .expect("expected track A");
    assert_eq!(track_a.group, "G2");
    assert_eq!(track_a.status, "batch-expansion-promoted");
    assert!(track_a
        .completed_items
        .iter()
        .any(|item| item == "five-promoted-expansions"));
    assert!(track_a.remaining_items.is_empty());

    let track_b = status
        .track_status
        .iter()
        .find(|item| item.track == "Track B")
        .expect("expected track B");
    assert_eq!(track_b.group, "G1-E");
    assert_eq!(track_b.status, "batch-expansion-promoted");
    assert!(track_b
        .completed_items
        .iter()
        .any(|item| item == "two-promoted-expansions"));
    assert!(track_b.remaining_items.is_empty());

    let track_c = status
        .track_status
        .iter()
        .find(|item| item.track == "Track C")
        .expect("expected track C");
    assert_eq!(track_c.group, "G3");
    assert_eq!(track_c.status, "batch-expansion-promoted");
    assert!(track_c
        .completed_items
        .iter()
        .any(|item| item == "ten-promoted-expansions"));
    assert!(track_c.remaining_items.is_empty());
}

#[test]
fn roadmap_execution_status_keeps_boundary_and_deferred_scope_clear() {
    let status = load_status();

    assert!(status.boundary_status.iter().all(|item| {
        matches!(item.group.as_str(), "G6" | "G7" | "G8")
            && item.status == "boundary-family-established"
    }));
    assert!(status
        .deferred_status
        .iter()
        .any(|item| item.group == "G4" && item.status == "deferred"));
    assert!(status
        .deferred_status
        .iter()
        .any(|item| item.group == "G5" && item.status == "degraded"));

    let track_e = status
        .track_status
        .iter()
        .find(|item| item.track == "Track E")
        .expect("expected track E");
    assert_eq!(track_e.status, "status-overlay-established");
    assert!(track_e
        .completed_items
        .iter()
        .any(|item| item == "current-ledger-status-overlay"));
}

fn load_status() -> RoadmapExecutionStatus {
    serde_json::from_str(
        &fs::read_to_string(
            "tests/fixtures/generated_scene/roadmap_execution_status_2026-04-18.json",
        )
        .unwrap(),
    )
    .unwrap()
}