//! MNOTE 管理员目录授权页面组件

use crate::ssr::pages::layout::PageLayout;
use leptos::prelude::*;

#[component]
pub fn AdminAccessPolicyPage(
    #[prop(optional)] workspace_name: Option<String>,
    #[prop(optional)] policy_path: Option<String>,
    #[prop(optional)] share_grants_path: Option<String>,
) -> impl IntoView {
    let workspace_name = workspace_name
        .unwrap_or_else(|| "开发用户 的空间".to_string())
        .trim()
        .to_string();
    let policy_path = policy_path
        .unwrap_or_else(|| "/mnt/Data1T/Mnote_data/control-plane/access-policy.json".to_string());
    let share_grants_path = share_grants_path
        .unwrap_or_else(|| "/mnt/Data1T/Mnote_data/control-plane/share-grants.json".to_string());
    view! {
        <PageLayout current_nav="admin" workspace_name={workspace_name.clone()} topbar_title={"目录授权".to_string()} show_admin_access_policy=true>
            <main class="mnote-admin-policy-page" data-testid="mnote-admin-access-policy-page">
                <header class="mnote-admin-policy-header">
                    <h1>"目录授权"</h1>
                    <p>"管理员可以查看、验证和管理本地目录授权，普通用户不会看到入口。"</p>
                </header>

                <section class="mnote-admin-policy-summary">
                    <div class="mnote-admin-policy-summary-item">
                        <span class="mnote-admin-policy-summary-label">"工作区"</span>
                        <strong data-testid="mnote-admin-workspace-name">{workspace_name.clone()}</strong>
                    </div>
                    <div class="mnote-admin-policy-summary-item">
                        <span class="mnote-admin-policy-summary-label">"策略文件"</span>
                        <code data-testid="mnote-admin-policy-path">{policy_path.clone()}</code>
                    </div>
                    <div class="mnote-admin-policy-summary-item">
                        <span class="mnote-admin-policy-summary-label">"分享授权文件"</span>
                        <code data-testid="mnote-admin-share-grants-path">{share_grants_path.clone()}</code>
                    </div>
                </section>

                <section class="mnote-admin-policy-panel">
                    <header class="mnote-admin-policy-panel-header">
                        <h2>"当前策略"</h2>
                        <button type="button" data-testid="mnote-admin-policy-refresh" data-admin-action="refresh-policy">"刷新"</button>
                    </header>
                    <pre class="mnote-admin-policy-json" data-testid="mnote-admin-policy-json">{""}</pre>
                    <div class="mnote-admin-policy-note" data-testid="mnote-admin-policy-message"></div>
                </section>

                <section class="mnote-admin-policy-grid">
                    <form class="mnote-admin-policy-form" data-admin-form="validate-root">
                        <header><h2>"验证目录"</h2></header>
                        <label>
                            <span>"rootUri"</span>
                            <input data-testid="mnote-admin-root-uri" name="rootUri" type="text" placeholder="file:///mnt/Data1T/Mnote_data/users/..." />
                        </label>
                        <label>
                            <span>"rootPath"</span>
                            <input data-testid="mnote-admin-root-path" name="rootPath" type="text" placeholder="/mnt/Data1T/Mnote_data/..." />
                        </label>
                        <button type="submit" data-testid="mnote-admin-validate-root-submit">"验证"</button>
                        <pre class="mnote-admin-policy-json" data-testid="mnote-admin-validate-result"></pre>
                    </form>

                    <form class="mnote-admin-policy-form" data-admin-form="create-grant">
                        <header><h2>"新增授权"</h2></header>
                        <label>
                            <span>"grantId"</span>
                            <input data-testid="mnote-admin-grant-id" name="grantId" type="text" placeholder="可留空自动生成" />
                        </label>
                        <label>
                            <span>"userId"</span>
                            <input data-testid="mnote-admin-grant-user-id" name="userId" type="text" placeholder="user_123" required />
                        </label>
                        <label>
                            <span>"rootUri"</span>
                            <input data-testid="mnote-admin-grant-root-uri" name="rootUri" type="text" />
                        </label>
                        <label>
                            <span>"rootPath"</span>
                            <input data-testid="mnote-admin-grant-root-path" name="rootPath" type="text" />
                        </label>
                        <label>
                            <span>"permission"</span>
                            <select data-testid="mnote-admin-grant-permission" name="permission">
                                <option value="read">"read"</option>
                                <option value="write">"write"</option>
                            </select>
                        </label>
                        <label>
                            <span>"recursive"</span>
                            <input data-testid="mnote-admin-grant-recursive" name="recursive" type="checkbox" checked=true />
                        </label>
                        <label>
                            <span>"capabilities"</span>
                            <input data-testid="mnote-admin-grant-capabilities" name="capabilities" type="text" placeholder="ai,share" />
                        </label>
                        <button type="submit" data-testid="mnote-admin-create-grant-submit">"创建"</button>
                        <pre class="mnote-admin-policy-json" data-testid="mnote-admin-create-result"></pre>
                    </form>

                    <form class="mnote-admin-policy-form" data-admin-form="delete-grant">
                        <header><h2>"删除授权"</h2></header>
                        <label>
                            <span>"grantId"</span>
                            <input data-testid="mnote-admin-delete-grant-id" name="grantId" type="text" placeholder="grant_xxx" required />
                        </label>
                        <button type="submit" data-testid="mnote-admin-delete-grant-submit">"删除"</button>
                        <pre class="mnote-admin-policy-json" data-testid="mnote-admin-delete-result"></pre>
                    </form>
                </section>

                <section class="mnote-admin-policy-panel" data-testid="mnote-admin-share-grants-panel">
                    <header class="mnote-admin-policy-panel-header">
                        <h2>"分享授权"</h2>
                        <button type="button" data-testid="mnote-admin-share-grants-refresh" data-admin-action="refresh-share-grants">"刷新"</button>
                    </header>
                    <pre class="mnote-admin-policy-json" data-testid="mnote-admin-share-grants-json">{""}</pre>
                    <div class="mnote-admin-policy-note" data-testid="mnote-admin-share-grants-message"></div>
                </section>

                <section class="mnote-admin-policy-grid">
                    <form class="mnote-admin-policy-form" data-admin-form="create-share-grant">
                        <header><h2>"新增分享授权"</h2></header>
                        <label>
                            <span>"grantId"</span>
                            <input data-testid="mnote-admin-share-grant-id" name="shareGrantId" type="text" placeholder="可留空自动生成" />
                        </label>
                        <label>
                            <span>"shareId"</span>
                            <input data-testid="mnote-admin-share-id" name="shareId" type="text" placeholder="share_xxx" required />
                        </label>
                        <label>
                            <span>"ownerUserId"</span>
                            <input data-testid="mnote-admin-share-owner-user-id" name="ownerUserId" type="text" placeholder="owner_123" required />
                        </label>
                        <label>
                            <span>"targetUserId"</span>
                            <input data-testid="mnote-admin-share-target-user-id" name="targetUserId" type="text" placeholder="target_123" required />
                        </label>
                        <label>
                            <span>"rootUri"</span>
                            <input data-testid="mnote-admin-share-root-uri" name="shareRootUri" type="text" />
                        </label>
                        <label>
                            <span>"rootPath"</span>
                            <input data-testid="mnote-admin-share-root-path" name="shareRootPath" type="text" />
                        </label>
                        <label>
                            <span>"documentId"</span>
                            <input data-testid="mnote-admin-share-document-id" name="documentId" type="text" placeholder="doc_123" />
                        </label>
                        <label>
                            <span>"allowedResourceIds"</span>
                            <input data-testid="mnote-admin-share-resource-ids" name="allowedResourceIds" type="text" placeholder="doc_123,mindmap_456" />
                        </label>
                        <label>
                            <span>"permission"</span>
                            <select data-testid="mnote-admin-share-permission" name="sharePermission">
                                <option value="read">"read"</option>
                                <option value="write">"write"</option>
                            </select>
                        </label>
                        <label>
                            <span>"capabilities"</span>
                            <input data-testid="mnote-admin-share-capabilities" name="shareCapabilities" type="text" placeholder="ai,share" />
                        </label>
                        <button type="submit" data-testid="mnote-admin-create-share-grant-submit">"创建分享授权"</button>
                        <pre class="mnote-admin-policy-json" data-testid="mnote-admin-create-share-grant-result"></pre>
                    </form>

                    <form class="mnote-admin-policy-form" data-admin-form="delete-share-grant">
                        <header><h2>"撤销分享授权"</h2></header>
                        <label>
                            <span>"shareId 或 grantId"</span>
                            <input data-testid="mnote-admin-delete-share-id" name="deleteShareId" type="text" placeholder="share_xxx" required />
                        </label>
                        <button type="submit" data-testid="mnote-admin-delete-share-grant-submit">"撤销"</button>
                        <pre class="mnote-admin-policy-json" data-testid="mnote-admin-delete-share-grant-result"></pre>
                    </form>
                </section>
                <script>{ADMIN_POLICY_SCRIPT}</script>
            </main>
        </PageLayout>
    }
}

const ADMIN_POLICY_SCRIPT: &str = r#"
(function () {
  var root = document.querySelector('[data-testid="mnote-admin-access-policy-page"]');
  if (!root) return;
  var message = root.querySelector('[data-testid="mnote-admin-policy-message"]');
  var policyJson = root.querySelector('[data-testid="mnote-admin-policy-json"]');
  var shareGrantsJson = root.querySelector('[data-testid="mnote-admin-share-grants-json"]');
  var validateResult = root.querySelector('[data-testid="mnote-admin-validate-result"]');
  var createResult = root.querySelector('[data-testid="mnote-admin-create-result"]');
  var deleteResult = root.querySelector('[data-testid="mnote-admin-delete-result"]');
  var shareGrantsMessage = root.querySelector('[data-testid="mnote-admin-share-grants-message"]');
  var createShareGrantResult = root.querySelector('[data-testid="mnote-admin-create-share-grant-result"]');
  var deleteShareGrantResult = root.querySelector('[data-testid="mnote-admin-delete-share-grant-result"]');
  var refreshButton = root.querySelector('[data-admin-action="refresh-policy"]');
  var refreshShareGrantsButton = root.querySelector('[data-admin-action="refresh-share-grants"]');

  function setText(node, value) {
    if (!node) return;
    node.textContent = typeof value === 'string' ? value : JSON.stringify(value, null, 2);
  }

  function formValues(form) {
    var data = new FormData(form);
    var capabilities = String(data.get('capabilities') || '')
      .split(/[,\s]+/)
      .map(function (item) { return item.trim(); })
      .filter(Boolean);
    return {
      id: String(data.get('grantId') || '').trim(),
      userId: String(data.get('userId') || '').trim(),
      rootUri: String(data.get('rootUri') || '').trim(),
      rootPath: String(data.get('rootPath') || '').trim(),
      permission: String(data.get('permission') || 'read').trim(),
      recursive: data.get('recursive') === 'on' || data.get('recursive') === 'true',
      capabilities: capabilities,
    };
  }

  function splitList(value) {
    return String(value || '')
      .split(/[,\s]+/)
      .map(function (item) { return item.trim(); })
      .filter(Boolean);
  }

  function shareGrantFormValues(form) {
    var data = new FormData(form);
    return {
      id: String(data.get('shareGrantId') || '').trim(),
      shareId: String(data.get('shareId') || '').trim(),
      ownerUserId: String(data.get('ownerUserId') || '').trim(),
      targetUserId: String(data.get('targetUserId') || '').trim(),
      rootUri: String(data.get('shareRootUri') || '').trim(),
      rootPath: String(data.get('shareRootPath') || '').trim(),
      documentId: String(data.get('documentId') || '').trim(),
      allowedResourceIds: splitList(data.get('allowedResourceIds')),
      permission: String(data.get('sharePermission') || 'read').trim(),
      capabilities: splitList(data.get('shareCapabilities')),
    };
  }

  async function requestJson(url, options) {
    var response = await fetch(url, {
      credentials: 'include',
      headers: { 'content-type': 'application/json' },
      ...options,
    });
    var payload = await response.json().catch(function () { return {}; });
    if (!response.ok || payload.ok === false) {
      throw new Error((payload && payload.message) || ('请求失败: ' + response.status));
    }
    return payload;
  }

  async function refreshPolicy() {
    var payload = await requestJson('/api/admin/access-policy', { method: 'GET', headers: {} });
    setText(policyJson, payload);
    setText(message, '已刷新策略');
  }

  async function refreshShareGrants() {
    var payload = await requestJson('/api/admin/share-grants', { method: 'GET', headers: {} });
    setText(shareGrantsJson, payload);
    setText(shareGrantsMessage, '已刷新分享授权');
  }

  refreshButton && refreshButton.addEventListener('click', function () {
    setText(message, '正在刷新策略...');
    refreshPolicy().catch(function (error) { setText(message, error.message || '刷新失败'); });
  });

  refreshShareGrantsButton && refreshShareGrantsButton.addEventListener('click', function () {
    setText(shareGrantsMessage, '正在刷新分享授权...');
    refreshShareGrants().catch(function (error) { setText(shareGrantsMessage, error.message || '刷新失败'); });
  });

  root.querySelector('[data-admin-form="validate-root"]').addEventListener('submit', function (event) {
    event.preventDefault();
    var values = formValues(event.currentTarget);
    setText(validateResult, '正在验证...');
    requestJson('/api/admin/access-policy/validate-root', {
      method: 'POST',
      body: JSON.stringify({ rootUri: values.rootUri, rootPath: values.rootPath }),
    }).then(function (payload) {
      setText(validateResult, payload);
      setText(message, '目录验证完成');
    }).catch(function (error) {
      setText(validateResult, { ok: false, error: error.message || '验证失败' });
      setText(message, error.message || '验证失败');
    });
  });

  root.querySelector('[data-admin-form="create-grant"]').addEventListener('submit', function (event) {
    event.preventDefault();
    var values = formValues(event.currentTarget);
    setText(createResult, '正在创建...');
    requestJson('/api/admin/access-policy/grants', {
      method: 'POST',
      body: JSON.stringify(values),
    }).then(function (payload) {
      setText(createResult, payload);
      setText(message, '授权已创建');
      return refreshPolicy();
    }).catch(function (error) {
      setText(createResult, { ok: false, error: error.message || '创建失败' });
      setText(message, error.message || '创建失败');
    });
  });

  root.querySelector('[data-admin-form="delete-grant"]').addEventListener('submit', function (event) {
    event.preventDefault();
    var values = formValues(event.currentTarget);
    var grantId = values.id;
    setText(deleteResult, '正在删除...');
    requestJson('/api/admin/access-policy/grants/' + encodeURIComponent(grantId), {
      method: 'DELETE',
      headers: {},
    }).then(function (payload) {
      setText(deleteResult, payload);
      setText(message, '授权已删除');
      return refreshPolicy();
    }).catch(function (error) {
      setText(deleteResult, { ok: false, error: error.message || '删除失败' });
      setText(message, error.message || '删除失败');
    });
  });

  root.querySelector('[data-admin-form="create-share-grant"]').addEventListener('submit', function (event) {
    event.preventDefault();
    var values = shareGrantFormValues(event.currentTarget);
    setText(createShareGrantResult, '正在创建...');
    requestJson('/api/admin/share-grants', {
      method: 'POST',
      body: JSON.stringify(values),
    }).then(function (payload) {
      setText(createShareGrantResult, payload);
      setText(shareGrantsMessage, '分享授权已创建');
      return refreshShareGrants();
    }).catch(function (error) {
      setText(createShareGrantResult, { ok: false, error: error.message || '创建失败' });
      setText(shareGrantsMessage, error.message || '创建失败');
    });
  });

  root.querySelector('[data-admin-form="delete-share-grant"]').addEventListener('submit', function (event) {
    event.preventDefault();
    var data = new FormData(event.currentTarget);
    var shareId = String(data.get('deleteShareId') || '').trim();
    setText(deleteShareGrantResult, '正在撤销...');
    requestJson('/api/admin/share-grants/' + encodeURIComponent(shareId), {
      method: 'DELETE',
      headers: {},
    }).then(function (payload) {
      setText(deleteShareGrantResult, payload);
      setText(shareGrantsMessage, '分享授权已撤销');
      return refreshShareGrants();
    }).catch(function (error) {
      setText(deleteShareGrantResult, { ok: false, error: error.message || '撤销失败' });
      setText(shareGrantsMessage, error.message || '撤销失败');
    });
  });

  refreshPolicy().catch(function (error) {
    setText(message, error.message || '加载策略失败');
  });
  refreshShareGrants().catch(function (error) {
    setText(shareGrantsMessage, error.message || '加载分享授权失败');
  });
})();
"#;

#[cfg(test)]
mod tests {
    use super::*;
    use crate::ssr::render_view;

    #[test]
    fn admin_access_policy_page_renders_admin_controls() {
        let html = render_view(view! {
            <AdminAccessPolicyPage
                workspace_name={"我的空间".to_string()}
                policy_path={"/mnt/Data1T/Mnote_data/control-plane/access-policy.json".to_string()}
            />
        });
        assert!(html.contains("mnote-admin-access-policy-page"));
        assert!(html.contains("mnote-admin-policy-json"));
        assert!(html.contains("mnote-admin-share-grants-panel"));
        assert!(html.contains("mnote-admin-share-grants-json"));
        assert!(html.contains("mnote-admin-validate-root-submit"));
        assert!(html.contains("mnote-admin-create-grant-submit"));
        assert!(html.contains("mnote-admin-delete-grant-submit"));
        assert!(html.contains("mnote-admin-create-share-grant-submit"));
        assert!(html.contains("mnote-admin-delete-share-grant-submit"));
    }
}